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    <div class="moz-cite-prefix">Hi,<br>
      <br>
      just tried clean install of a ovmf VM and still, it kills the host
      :(<br>
      what is your distro? maybe there's some different default in
      debian, or some other incompatibilty. or maybe some HW
      incompatibility, I'm running out of ideas :(<br>
      <br>
      Gh.<br>
      <br>
      Nick S wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:CAPMgvUJwvH0r7hefa1-STg030000aMvoNAcWjMyKm9kSWtMroA@mail.gmail.com">
      <div dir="ltr">I can confirm that it works with no issues with
        UEFI. I recently replaced R9 270 by RX 480 and it even worked
        with not issues after I forgot to update/remove the old ROM file
        for R9. Here is my command line. It uses a few variables for
        multiple GPU but you should get the base picture. I have both
        Windows 7 and WIndows 10 VMs and all of them work fine.<br>
        <div><br>
        </div>
        <div>qemu-system-x86_64 -enable-kvm -cpu host -m $memoryarg -smp
          sockets=1,cores=$corearg,threads=2 \</div>
        <div>-serial none \</div>
        <div>-ctrl-grab -no-quit \</div>
        <div>-parallel none \</div>
        <div>$soundarg \</div>
        <div>-name passthrough-$1 \</div>
        <div>-rtc base=localtime \</div>
        <div>-drive
          if=pflash,format=raw,readonly,file=$folder/OVMF_CODE-pure-efi.fd
          \</div>
        <div>-drive
          if=pflash,format=raw,file=$folder/OVMF_VARS-pure-efi.fd \</div>
        <div>-netdev bridge,id=hn0 -device
          e1000,netdev=hn0,id=nic1,mac=$macaddr \</div>
        <div>-drive file=$folder/W7_UEFI.qcow2,id=d0,if=none -device
          ide-hd,drive=d0,serial=$hddserial \</div>
        <div>-device vfio-pci,host=$vgapci \</div>
        <div>-device vfio-pci,host=$audiopci </div>
        <div><br>
        </div>
      </div>
      <div class="gmail_extra"><br>
        <div class="gmail_quote">On Tue, Aug 22, 2017 at 8:22 AM,
          Quentin Deldycke <span dir="ltr"><<a
              href="mailto:quentindeldycke@gmail.com" target="_blank"
              moz-do-not-send="true">quentindeldycke@gmail.com</a>></span>
          wrote:<br>
          <blockquote class="gmail_quote" style="margin:0 0 0
            .8ex;border-left:1px #ccc solid;padding-left:1ex">
            <div dir="ltr">Hi,
              <div><br>
              </div>
              <div>Ovmf makes the process more easy. I don't remember
                exactly why, but before i was using a AMD HD 5870. Using
                old style bioses as it was not uefi. When i switched to
                the r9 290, i had to switch to uefi so ovmf.</div>
              <div><br>
              </div>
              <div>I experienced issues with the integrated sound card
                of my r9 (was all time default on windows...). I have
                the sound device linked to vfio-pci but never pass it to
                the virtual machine, you can possibly try like this
                also.</div>
              <div><br>
              </div>
              <div>For a more easy process i never disable the
                intergrated intel gpu of my cpu. It used plain old vga
                for bios post and cie.</div>
              <div><br>
              </div>
              <div><br>
              </div>
            </div>
            <div class="gmail_extra"><br clear="all">
              <div>
                <div class="m_-7536577740978068757gmail_signature"
                  data-smartmail="gmail_signature">
                  <div dir="ltr">--
                    <div>Deldycke Quentin<br>
                    </div>
                    <div>
                      <div><br>
                      </div>
                    </div>
                  </div>
                </div>
              </div>
              <div>
                <div class="h5">
                  <br>
                  <div class="gmail_quote">On 22 August 2017 at 16:57,
                    Jiri Novak <span dir="ltr"><<a
                        href="mailto:jiri.novak@ghorland.net"
                        target="_blank" moz-do-not-send="true">jiri.novak@ghorland.net</a>></span>
                    wrote:<br>
                    <blockquote class="gmail_quote" style="margin:0 0 0
                      .8ex;border-left:1px #ccc solid;padding-left:1ex">
                      <div text="#000000" bgcolor="#FFFFFF">
                        <div
                          class="m_-7536577740978068757m_5792246376525477513moz-cite-prefix">Hi,<br>
                          <br>
                          yes, not using OVMF, maybe that will fix it,
                          not sure, I can try.<br>
                          I don't have any R9 card, I actually did have
                          one before, but now I have R7 240 and RX 480
                          at hand. R9 did work fine before, like the R7
                          does.<br>
                          I pass in two (three) devices, one is the card
                          (plus the integrated soundcard, you can't pass
                          it without, right? it's the same iommu group
                          always) and a USB controller to be able to
                          connect kb+mouse.<br>
                          for the RX, the romfile has no effect
                          obviously, though for the R7 it won't start
                          without it (R9 didn't care either).<br>
                          no isolation so far, just taskset so it won't
                          roam across numa nodes. might add later.<br>
                          <br>
                          my boot card is nvidia, so I have radeon and
                          amdgpu blacklisted. also tried disabling "boot
                          option rom" on the pcie ports so bios of the
                          host doesn't try to initialize them. doesn't
                          have effect, except that if it is allowed and
                          the order of the cards is that amd is sooner,
                          boot display will go to it. if disabled, it
                          will go to the nvidia (I keep that one enabled
                          at all cases, if I disable all, I'm doomed -
                          bios reset needeed :))<br>
                          <br>
                          I think my only chance now is ovmf, I have no
                          other idea.<br>
                          <br>
                          lspci for reference:<br>
                          <br>
                          00:00.0 Host bridge: Intel Corporation Xeon
                          E5/Core i7 DMI2 (rev 07)<br>
                          00:01.0 PCI bridge: Intel Corporation Xeon
                          E5/Core i7 IIO PCI Express Root Port 1a (rev
                          07)<br>
                          00:02.0 PCI bridge: Intel Corporation Xeon
                          E5/Core i7 IIO PCI Express Root Port 2a (rev
                          07)<br>
                          00:03.0 PCI bridge: Intel Corporation Xeon
                          E5/Core i7 IIO PCI Express Root Port 3a in PCI
                          Express Mode (rev 07)<br>
                          00:04.0 System peripheral: Intel Corporation
                          Xeon E5/Core i7 DMA Channel 0 (rev 07)<br>
                          00:04.1 System peripheral: Intel Corporation
                          Xeon E5/Core i7 DMA Channel 1 (rev 07)<br>
                          00:04.2 System peripheral: Intel Corporation
                          Xeon E5/Core i7 DMA Channel 2 (rev 07)<br>
                          00:04.3 System peripheral: Intel Corporation
                          Xeon E5/Core i7 DMA Channel 3 (rev 07)<br>
                          00:04.4 System peripheral: Intel Corporation
                          Xeon E5/Core i7 DMA Channel 4 (rev 07)<br>
                          00:04.5 System peripheral: Intel Corporation
                          Xeon E5/Core i7 DMA Channel 5 (rev 07)<br>
                          00:04.6 System peripheral: Intel Corporation
                          Xeon E5/Core i7 DMA Channel 6 (rev 07)<br>
                          00:04.7 System peripheral: Intel Corporation
                          Xeon E5/Core i7 DMA Channel 7 (rev 07)<br>
                          00:05.0 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Address Map, VTd_Misc, System
                          Management (rev 07)<br>
                          00:05.2 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Control Status and Global
                          Errors (rev 07)<br>
                          00:05.4 PIC: Intel Corporation Xeon E5/Core i7
                          I/O APIC (rev 07)<br>
                          00:11.0 PCI bridge: Intel Corporation C600/X79
                          series chipset PCI Express Virtual Root Port
                          (rev 06)<br>
                          00:16.0 Communication controller: Intel
                          Corporation C600/X79 series chipset MEI
                          Controller #1 (rev 05)<br>
                          00:16.1 Communication controller: Intel
                          Corporation C600/X79 series chipset MEI
                          Controller #2 (rev 05)<br>
                          00:1a.0 USB controller: Intel Corporation
                          C600/X79 series chipset USB2 Enhanced Host
                          Controller #2 (rev 06)<br>
                          00:1b.0 Audio device: Intel Corporation
                          C600/X79 series chipset High Definition Audio
                          Controller (rev 06)<br>
                          00:1c.0 PCI bridge: Intel Corporation C600/X79
                          series chipset PCI Express Root Port 1 (rev
                          b6)<br>
                          00:1c.5 PCI bridge: Intel Corporation C600/X79
                          series chipset PCI Express Root Port 6 (rev
                          b6)<br>
                          00:1c.6 PCI bridge: Intel Corporation C600/X79
                          series chipset PCI Express Root Port 7 (rev
                          b6)<br>
                          00:1d.0 USB controller: Intel Corporation
                          C600/X79 series chipset USB2 Enhanced Host
                          Controller #1 (rev 06)<br>
                          00:1e.0 PCI bridge: Intel Corporation 82801
                          PCI Bridge (rev a6)<br>
                          00:1f.0 ISA bridge: Intel Corporation C600/X79
                          series chipset LPC Controller (rev 06)<br>
                          00:1f.2 SATA controller: Intel Corporation
                          C600/X79 series chipset 6-Port SATA AHCI
                          Controller (rev 06)<br>
                          00:1f.3 SMBus: Intel Corporation C600/X79
                          series chipset SMBus Host Controller (rev 06)<br>
                          00:1f.6 Signal processing controller: Intel
                          Corporation C600/X79 series chipset Thermal
                          Management Controller (rev 06)<br>
                          01:00.0 Serial Attached SCSI controller: LSI
                          Logic / Symbios Logic SAS2308 PCI-Express
                          Fusion-MPT SAS-2 (rev 05)<br>
                          02:00.0 VGA compatible controller: Advanced
                          Micro Devices, Inc. [AMD/ATI] Ellesmere
                          [Radeon RX 470/480] (rev c7)<br>
                          02:00.1 Audio device: Advanced Micro Devices,
                          Inc. [AMD/ATI] Device aaf0<br>
                          03:00.0 VGA compatible controller: Advanced
                          Micro Devices, Inc. [AMD/ATI] Oland [Radeon HD
                          8570 / R7 240/340 OEM]<br>
                          03:00.1 Audio device: Advanced Micro Devices,
                          Inc. [AMD/ATI] Cape Verde/Pitcairn HDMI Audio
                          [Radeon HD 7700/7800 Series]<br>
                          04:00.0 Serial Attached SCSI controller: Intel
                          Corporation C602 chipset 4-Port SATA Storage
                          Control Unit (rev 06)<br>
                          05:00.0 Ethernet controller: Intel Corporation
                          I350 Gigabit Network Connection (rev 01)<br>
                          05:00.1 Ethernet controller: Intel Corporation
                          I350 Gigabit Network Connection (rev 01)<br>
                          07:00.0 USB controller: NEC Corporation
                          uPD720200 USB 3.0 Host Controller (rev 04)<br>
                          08:00.0 USB controller: NEC Corporation
                          uPD720200 USB 3.0 Host Controller (rev 04)<br>
                          09:02.0 FireWire (IEEE 1394): Texas
                          Instruments TSB43AB22A IEEE-1394a-2000
                          Controller (PHY/Link) [iOHCI-Lynx]<br>
                          7f:08.0 System peripheral: Intel Corporation
                          Xeon E5/Core i7 QPI Link 0 (rev 07)<br>
                          7f:08.3 System peripheral: Intel Corporation
                          Xeon E5/Core i7 QPI Link Reut 0 (rev 07)<br>
                          7f:08.4 System peripheral: Intel Corporation
                          Xeon E5/Core i7 QPI Link Reut 0 (rev 07)<br>
                          7f:09.0 System peripheral: Intel Corporation
                          Xeon E5/Core i7 QPI Link 1 (rev 07)<br>
                          7f:09.3 System peripheral: Intel Corporation
                          Xeon E5/Core i7 QPI Link Reut 1 (rev 07)<br>
                          7f:09.4 System peripheral: Intel Corporation
                          Xeon E5/Core i7 QPI Link Reut 1 (rev 07)<br>
                          7f:0a.0 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Power Control Unit 0 (rev 07)<br>
                          7f:0a.1 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Power Control Unit 1 (rev 07)<br>
                          7f:0a.2 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Power Control Unit 2 (rev 07)<br>
                          7f:0a.3 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Power Control Unit 3 (rev 07)<br>
                          7f:0b.0 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Interrupt Control Registers
                          (rev 07)<br>
                          7f:0b.3 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Semaphore and Scratchpad
                          Configuration Registers (rev 07)<br>
                          7f:0c.0 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Unicast Register 0 (rev 07)<br>
                          7f:0c.1 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Unicast Register 0 (rev 07)<br>
                          7f:0c.2 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Unicast Register 0 (rev 07)<br>
                          7f:0c.3 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Unicast Register 0 (rev 07)<br>
                          7f:0c.6 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Integrated Memory Controller
                          System Address Decoder 0 (rev 07)<br>
                          7f:0c.7 System peripheral: Intel Corporation
                          Xeon E5/Core i7 System Address Decoder (rev
                          07)<br>
                          7f:0d.0 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Unicast Register 0 (rev 07)<br>
                          7f:0d.1 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Unicast Register 0 (rev 07)<br>
                          7f:0d.2 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Unicast Register 0 (rev 07)<br>
                          7f:0d.3 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Unicast Register 0 (rev 07)<br>
                          7f:0d.6 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Integrated Memory Controller
                          System Address Decoder 1 (rev 07)<br>
                          7f:0e.0 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Processor Home Agent (rev 07)<br>
                          7f:0e.1 Performance counters: Intel
                          Corporation Xeon E5/Core i7 Processor Home
                          Agent Performance Monitoring (rev 07)<br>
                          7f:0f.0 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Integrated Memory Controller
                          Registers (rev 07)<br>
                          7f:0f.1 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Integrated Memory Controller
                          RAS Registers (rev 07)<br>
                          7f:0f.2 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Integrated Memory Controller
                          Target Address Decoder 0 (rev 07)<br>
                          7f:0f.3 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Integrated Memory Controller
                          Target Address Decoder 1 (rev 07)<br>
                          7f:0f.4 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Integrated Memory Controller
                          Target Address Decoder 2 (rev 07)<br>
                          7f:0f.5 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Integrated Memory Controller
                          Target Address Decoder 3 (rev 07)<br>
                          7f:0f.6 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Integrated Memory Controller
                          Target Address Decoder 4 (rev 07)<br>
                          7f:10.0 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Integrated Memory Controller
                          Channel 0-3 Thermal Control 0 (rev 07)<br>
                          7f:10.1 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Integrated Memory Controller
                          Channel 0-3 Thermal Control 1 (rev 07)<br>
                          7f:10.2 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Integrated Memory Controller
                          ERROR Registers 0 (rev 07)<br>
                          7f:10.3 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Integrated Memory Controller
                          ERROR Registers 1 (rev 07)<br>
                          7f:10.4 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Integrated Memory Controller
                          Channel 0-3 Thermal Control 2 (rev 07)<br>
                          7f:10.5 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Integrated Memory Controller
                          Channel 0-3 Thermal Control 3 (rev 07)<br>
                          7f:10.6 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Integrated Memory Controller
                          ERROR Registers 2 (rev 07)<br>
                          7f:10.7 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Integrated Memory Controller
                          ERROR Registers 3 (rev 07)<br>
                          7f:11.0 System peripheral: Intel Corporation
                          Xeon E5/Core i7 DDRIO (rev 07)<br>
                          7f:13.0 System peripheral: Intel Corporation
                          Xeon E5/Core i7 R2PCIe (rev 07)<br>
                          7f:13.1 Performance counters: Intel
                          Corporation Xeon E5/Core i7 Ring to PCI
                          Express Performance Monitor (rev 07)<br>
                          7f:13.4 Performance counters: Intel
                          Corporation Xeon E5/Core i7 QuickPath
                          Interconnect Agent Ring Registers (rev 07)<br>
                          7f:13.5 Performance counters: Intel
                          Corporation Xeon E5/Core i7 Ring to QuickPath
                          Interconnect Link 0 Performance Monitor (rev
                          07)<br>
                          7f:13.6 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Ring to QuickPath Interconnect
                          Link 1 Performance Monitor (rev 07)<br>
                          80:01.0 PCI bridge: Intel Corporation Xeon
                          E5/Core i7 IIO PCI Express Root Port 1a (rev
                          07)<br>
                          80:02.0 PCI bridge: Intel Corporation Xeon
                          E5/Core i7 IIO PCI Express Root Port 2a (rev
                          07)<br>
                          80:03.0 PCI bridge: Intel Corporation Xeon
                          E5/Core i7 IIO PCI Express Root Port 3a in PCI
                          Express Mode (rev 07)<br>
                          80:03.2 PCI bridge: Intel Corporation Xeon
                          E5/Core i7 IIO PCI Express Root Port 3c (rev
                          07)<br>
                          80:04.0 System peripheral: Intel Corporation
                          Xeon E5/Core i7 DMA Channel 0 (rev 07)<br>
                          80:04.1 System peripheral: Intel Corporation
                          Xeon E5/Core i7 DMA Channel 1 (rev 07)<br>
                          80:04.2 System peripheral: Intel Corporation
                          Xeon E5/Core i7 DMA Channel 2 (rev 07)<br>
                          80:04.3 System peripheral: Intel Corporation
                          Xeon E5/Core i7 DMA Channel 3 (rev 07)<br>
                          80:04.4 System peripheral: Intel Corporation
                          Xeon E5/Core i7 DMA Channel 4 (rev 07)<br>
                          80:04.5 System peripheral: Intel Corporation
                          Xeon E5/Core i7 DMA Channel 5 (rev 07)<br>
                          80:04.6 System peripheral: Intel Corporation
                          Xeon E5/Core i7 DMA Channel 6 (rev 07)<br>
                          80:04.7 System peripheral: Intel Corporation
                          Xeon E5/Core i7 DMA Channel 7 (rev 07)<br>
                          80:05.0 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Address Map, VTd_Misc, System
                          Management (rev 07)<br>
                          80:05.2 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Control Status and Global
                          Errors (rev 07)<br>
                          80:05.4 PIC: Intel Corporation Xeon E5/Core i7
                          I/O APIC (rev 07)<br>
                          82:00.0 VGA compatible controller: NVIDIA
                          Corporation G98 [Quadro NVS 295] (rev a1)<br>
                          ff:08.0 System peripheral: Intel Corporation
                          Xeon E5/Core i7 QPI Link 0 (rev 07)<br>
                          ff:08.3 System peripheral: Intel Corporation
                          Xeon E5/Core i7 QPI Link Reut 0 (rev 07)<br>
                          ff:08.4 System peripheral: Intel Corporation
                          Xeon E5/Core i7 QPI Link Reut 0 (rev 07)<br>
                          ff:09.0 System peripheral: Intel Corporation
                          Xeon E5/Core i7 QPI Link 1 (rev 07)<br>
                          ff:09.3 System peripheral: Intel Corporation
                          Xeon E5/Core i7 QPI Link Reut 1 (rev 07)<br>
                          ff:09.4 System peripheral: Intel Corporation
                          Xeon E5/Core i7 QPI Link Reut 1 (rev 07)<br>
                          ff:0a.0 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Power Control Unit 0 (rev 07)<br>
                          ff:0a.1 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Power Control Unit 1 (rev 07)<br>
                          ff:0a.2 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Power Control Unit 2 (rev 07)<br>
                          ff:0a.3 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Power Control Unit 3 (rev 07)<br>
                          ff:0b.0 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Interrupt Control Registers
                          (rev 07)<br>
                          ff:0b.3 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Semaphore and Scratchpad
                          Configuration Registers (rev 07)<br>
                          ff:0c.0 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Unicast Register 0 (rev 07)<br>
                          ff:0c.1 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Unicast Register 0 (rev 07)<br>
                          ff:0c.2 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Unicast Register 0 (rev 07)<br>
                          ff:0c.3 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Unicast Register 0 (rev 07)<br>
                          ff:0c.6 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Integrated Memory Controller
                          System Address Decoder 0 (rev 07)<br>
                          ff:0c.7 System peripheral: Intel Corporation
                          Xeon E5/Core i7 System Address Decoder (rev
                          07)<br>
                          ff:0d.0 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Unicast Register 0 (rev 07)<br>
                          ff:0d.1 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Unicast Register 0 (rev 07)<br>
                          ff:0d.2 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Unicast Register 0 (rev 07)<br>
                          ff:0d.3 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Unicast Register 0 (rev 07)<br>
                          ff:0d.6 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Integrated Memory Controller
                          System Address Decoder 1 (rev 07)<br>
                          ff:0e.0 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Processor Home Agent (rev 07)<br>
                          ff:0e.1 Performance counters: Intel
                          Corporation Xeon E5/Core i7 Processor Home
                          Agent Performance Monitoring (rev 07)<br>
                          ff:0f.0 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Integrated Memory Controller
                          Registers (rev 07)<br>
                          ff:0f.1 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Integrated Memory Controller
                          RAS Registers (rev 07)<br>
                          ff:0f.2 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Integrated Memory Controller
                          Target Address Decoder 0 (rev 07)<br>
                          ff:0f.3 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Integrated Memory Controller
                          Target Address Decoder 1 (rev 07)<br>
                          ff:0f.4 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Integrated Memory Controller
                          Target Address Decoder 2 (rev 07)<br>
                          ff:0f.5 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Integrated Memory Controller
                          Target Address Decoder 3 (rev 07)<br>
                          ff:0f.6 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Integrated Memory Controller
                          Target Address Decoder 4 (rev 07)<br>
                          ff:10.0 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Integrated Memory Controller
                          Channel 0-3 Thermal Control 0 (rev 07)<br>
                          ff:10.1 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Integrated Memory Controller
                          Channel 0-3 Thermal Control 1 (rev 07)<br>
                          ff:10.2 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Integrated Memory Controller
                          ERROR Registers 0 (rev 07)<br>
                          ff:10.3 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Integrated Memory Controller
                          ERROR Registers 1 (rev 07)<br>
                          ff:10.4 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Integrated Memory Controller
                          Channel 0-3 Thermal Control 2 (rev 07)<br>
                          ff:10.5 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Integrated Memory Controller
                          Channel 0-3 Thermal Control 3 (rev 07)<br>
                          ff:10.6 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Integrated Memory Controller
                          ERROR Registers 2 (rev 07)<br>
                          ff:10.7 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Integrated Memory Controller
                          ERROR Registers 3 (rev 07)<br>
                          ff:11.0 System peripheral: Intel Corporation
                          Xeon E5/Core i7 DDRIO (rev 07)<br>
                          ff:13.0 System peripheral: Intel Corporation
                          Xeon E5/Core i7 R2PCIe (rev 07)<br>
                          ff:13.1 Performance counters: Intel
                          Corporation Xeon E5/Core i7 Ring to PCI
                          Express Performance Monitor (rev 07)<br>
                          ff:13.4 Performance counters: Intel
                          Corporation Xeon E5/Core i7 QuickPath
                          Interconnect Agent Ring Registers (rev 07)<br>
                          ff:13.5 Performance counters: Intel
                          Corporation Xeon E5/Core i7 Ring to QuickPath
                          Interconnect Link 0 Performance Monitor (rev
                          07)<br>
                          ff:13.6 System peripheral: Intel Corporation
                          Xeon E5/Core i7 Ring to QuickPath Interconnect
                          Link 1 Performance Monitor (rev 07)<br>
                          <br>
                          <br>
                          Quentin Deldycke wrote:<br>
                        </div>
                        <div>
                          <div class="m_-7536577740978068757h5">
                            <blockquote type="cite">
                              <div dir="ltr">If you want, here is a
                                working i440fx libvirt xml file using r9
                                290
                                <div><br>
                                </div>
                                <div>I would say much thing about your
                                  command line:</div>
                                <div>
                                  <ul>
                                    <li>You are not using OVMF. For
                                      modern cards, i think it is much
                                      more suitable.</li>
                                    <li>Is your R9 your boot card? If it
                                      is the case, it is 'initailized'
                                      by linux a way or another. This is
                                      not good :/</li>
                                    <li>I would delete ALL unneeded
                                      devices like your second passed
                                      through device, second drive,
                                      sound card... To target only your
                                      problematic device</li>
                                    <li>Why providing the rom file of
                                      the card? Are you trying to make
                                      it pass for another one? (like
                                      providing a r9 290x rom for a r9
                                      290?)</li>
                                    <li>Do you use isolcpu? Or any kind
                                      of cpu pinning?</li>
                                  </ul>
                                  <div><br>
                                  </div>
                                </div>
                                <div>Actually libvirt is quite easy to
                                  configure and provide much more
                                  interesting features like cpu
                                  pinning...</div>
                              </div>
                              <div class="gmail_extra"><br clear="all">
                                <div>
                                  <div
                                    class="m_-7536577740978068757m_5792246376525477513gmail_signature"
                                    data-smartmail="gmail_signature">
                                    <div dir="ltr">--
                                      <div>Deldycke Quentin<br>
                                      </div>
                                      <div>
                                        <div><br>
                                        </div>
                                      </div>
                                    </div>
                                  </div>
                                </div>
                                <br>
                                <div class="gmail_quote">On 22 August
                                  2017 at 16:12, Jiri Novak <span
                                    dir="ltr"><<a
                                      href="mailto:jiri.novak@ghorland.net"
                                      target="_blank"
                                      moz-do-not-send="true">jiri.novak@ghorland.net</a>></span>
                                  wrote:<br>
                                  <blockquote class="gmail_quote"
                                    style="margin:0 0 0
                                    .8ex;border-left:1px #ccc
                                    solid;padding-left:1ex">
                                    <div text="#000000"
                                      bgcolor="#FFFFFF">
                                      <div
class="m_-7536577740978068757m_5792246376525477513m_-5929279670192329629moz-cite-prefix">Hi,<br>
                                        <br>
                                        not sure in this case, with
                                        other GPU, R7 240 it works fine,
                                        there's nothing else on the same
                                        iommu group than the gpu and
                                        it's soundcard.<br>
                                        When I started teting out things
                                        like this some time ago libvirt
                                        didn't allow to set up all the
                                        things that were needes for vga
                                        passthrough, so I've just
                                        trashed and stayed like that :)
                                        Might retry now on debian 9, if
                                        it supports what I need or not.<br>
                                        Anyway, with libvirt it's
                                        usually more difficult to fix
                                        the wrong commandline so I'm
                                        trying to find out what is
                                        actually wrong to be able to fix
                                        it, not to hope libvirt will
                                        work out of the box and if not,
                                        I'm doomed :)<br>
                                        <br>
                                        Gh.<br>
                                        <br>
                                        Quentin Deldycke wrote:<br>
                                      </div>
                                      <div>
                                        <div
                                          class="m_-7536577740978068757m_5792246376525477513h5">
                                          <blockquote type="cite">
                                            <div dir="ltr">Hello,
                                              <div><br>
                                              </div>
                                              <div>I think that first,
                                                you should use libvirt.</div>
                                              <div>I believe that most
                                                bugs are from a badly
                                                made qemu command line,
                                                bad isolations or stull
                                                like this.</div>
                                              <div><br>
                                              </div>
                                              <div>Libvirt => less
                                                pain, more working vms!</div>
                                              <div><br>
                                              </div>
                                              <div><br>
                                              </div>
                                            </div>
                                            <div class="gmail_extra"><br
                                                clear="all">
                                              <div>
                                                <div
class="m_-7536577740978068757m_5792246376525477513m_-5929279670192329629gmail_signature"
data-smartmail="gmail_signature">
                                                  <div dir="ltr">--
                                                    <div>Deldycke
                                                      Quentin<br>
                                                    </div>
                                                    <div>
                                                      <div><br>
                                                      </div>
                                                    </div>
                                                  </div>
                                                </div>
                                              </div>
                                              <br>
                                              <div class="gmail_quote">On
                                                22 August 2017 at 13:16,
                                                Jiri Novak <span
                                                  dir="ltr"><<a
                                                    href="mailto:jiri.novak@ghorland.net"
                                                    target="_blank"
                                                    moz-do-not-send="true">jiri.novak@ghorland.net</a>></span>
                                                wrote:<br>
                                                <blockquote
                                                  class="gmail_quote"
                                                  style="margin:0 0 0
                                                  .8ex;border-left:1px
                                                  #ccc
                                                  solid;padding-left:1ex">Hi,<br>
                                                  <br>
                                                  I've got back again
                                                  to  testing the RX 480
                                                  setup with tips I got<br>
                                                  previously (like using
                                                  i440fx instead of q35)
                                                  and got a bit further,
                                                  now<br>
                                                  I can run it at least
                                                  in 2D mode (if I use
                                                  driver from windows
                                                  update)<br>
                                                  on windows 10 rev
                                                  1703.<br>
                                                  <br>
                                                  If I install full
                                                  driver from AMD
                                                  website, the host
                                                  hangs during install<br>
                                                  and after that, it
                                                  runs about 2-3minutes
                                                  after boot until it
                                                  hangs.<br>
                                                  With driver from
                                                  windows update, it
                                                  hangs when I run any
                                                  game.<br>
                                                  <br>
                                                  Any ideas what to try
                                                  next, how to find out
                                                  what's wrong?<br>
                                                  <br>
                                                  Qemu commandline:<br>
                                                  <br>
                                                  LC_ALL=C<br>
PATH=/usr/local/sbin:/usr/loca<wbr>l/bin:/usr/sbin:/usr/bin:/sbin<wbr>:/bin<br>
                                                  QEMU_AUDIO_DRV=pa
                                                  /usr/bin/taskset -c
                                                  4-7,20-23<br>
/usr/bin/qemu-system-x86_64 \<br>
                                                      -name 12-wingame \<br>
                                                      -machine
                                                  pc-i440fx-2.8,accel=kvm,usb=of<wbr>f
                                                  \<br>
                                                      -cpu host \<br>
                                                      -object<br>
memory-backend-file,id=mem0,si<wbr>ze=16G,mem-path=/dev/hugepages<wbr>1g,share=off
                                                  \<br>
                                                      -numa
                                                  node,nodeid=0,memdev=mem0
                                                  \<br>
                                                      -m 16G \<br>
                                                      -realtime
                                                  mlock=off \<br>
                                                      -smp
                                                  sockets=1,cores=4,threads=2
                                                  \<br>
                                                      -uuid
                                                  4baaaaaa-aaf5-aaaaaa-919d-aaaa<wbr>aaacaaaa
                                                  \<br>
                                                      -nographic
                                                  -no-user-config
                                                  -nodefaults -no-hpet \<br>
                                                      -rtc
                                                  base=localtime,driftfix=slew
                                                  \<br>
                                                      -global
                                                  kvm-pit.lost_tick_policy=disca<wbr>rd
                                                  \<br>
                                                      -boot d \<br>
                                                      -drive<br>
file=/dev/Z-ssd/qemu/12-wingam<wbr>e,if=none,id=drive-virtio-disk<wbr>0,format=raw,cache=none,aio=na<wbr>tive<br>
                                                  \<br>
                                                      -drive<br>
file=/dev/Z-ssd/data/games-bli<wbr>zzard,if=none,id=drive-virtio-<wbr>disk1,format=raw,cache=none,ai<wbr>o=native<br>
                                                  \<br>
                                                      -device
                                                  virtio-scsi-pci,bus=pci.0,addr<wbr>=0x5
                                                  \<br>
                                                      -device
                                                  scsi-hd,drive=drive-virtio-dis<wbr>k0
                                                  \<br>
                                                      -device
                                                  scsi-hd,drive=drive-virtio-dis<wbr>k1
                                                  \<br>
                                                      -netdev
                                                  tap,id=netdev0,ifname=V0300t12<wbr>,script=no,downscript=no
                                                  \<br>
                                                      -device<br>
virtio-net-pci,netdev=netdev0,<wbr>id=net0,mac=42:42:42:00:00:0c,<wbr>bus=pci.0,addr=0x6<br>
                                                  \<br>
                                                      -device<br>
vfio-pci,host=02:00.0,id=hostd<wbr>ev6,bus=pci.0,multifunction=on<wbr>,addr=0x3,x-vga=on,romfile=/ro<wbr>ot/roms/Sapphire.RX480.4096.16<wbr>1002.rom<br>
                                                  \<br>
                                                      -device
                                                  vfio-pci,host=02:00.1,id=hostd<wbr>ev7,bus=pci.0,addr=0x3.0x1
                                                  \<br>
                                                      -device
                                                  vfio-pci,host=07:00.0,id=hostd<wbr>ev2,bus=pci.0,addr=0x4
                                                  \<br>
                                                      -vga none \<br>
                                                      -soundhw hda \<br>
                                                      -device
                                                  virtio-rng-pci \<br>
                                                      -chardev
                                                  stdio,id=seabios \<br>
                                                      -device
                                                  isa-debugcon,iobase=0x402,char<wbr>dev=seabios
                                                  \<br>
                                                      -msg timestamp=on
                                                  \<br>
                                                     
                                                  >>/var/log/kvm/12-wingame.stdo<wbr>ut
2>>/var/log/kvm/12-wingame.std<wbr>err &<br>
                                                  <br>
                                                  Usually I don't manage
                                                  to get any error,
                                                  though once the host
                                                  managed to<br>
                                                  spit out this to
                                                  console (when it
                                                  crashed after 2
                                                  minutes with amd
                                                  driver)<br>
                                                  <br>
                                                  INFO: rcu_sched
                                                  detected stalls on
                                                  CPUs/tasks:<br>
                                                  [ 1558.573332]   
                                                   2-...: (0 ticks this
                                                  GP) idle=a16/0/0<br>
                                                  softirq=17601/17601
                                                  fqs=1<br>
                                                  [ 1558.573400]   
                                                   17-...: (1 GPs
                                                  behind) idle=9c8/0/0<br>
                                                  softirq=13311/13311
                                                  fqs=1<br>
                                                  [ 1558.573452]   
                                                   20-...: (24 GPs
                                                  behind) idle=be0/0/0<br>
                                                  softirq=30971/30972
                                                  fqs=1<br>
                                                  [ 1558.573505]   
                                                   21-...: (4 GPs
                                                  behind) idle=4a0/0/0<br>
                                                  softirq=26182/26183
                                                  fqs=1<br>
                                                  [ 1558.573557]   
                                                   23-...: (0 ticks this
                                                  GP)
                                                  idle=b45/140000000000000/0<br>
                                                  softirq=30549/30549
                                                  fqs=1<br>
                                                  [ 1558.573615]   
                                                   (detected by 14,
                                                  t=5252 jiffies,
                                                  g=47014, c=47013,<br>
                                                  q=40045)<br>
                                                  [ 1558.573670] Task
                                                  dump for CPU 2:<br>
                                                  [ 1558.573672]
                                                  swapper/2       R 
                                                  running task        0 
                                                     0      1<br>
                                                  0x00200008<br>
                                                  [ 1558.573680] 
                                                  0000000000000083
                                                  640fb4432252d28b
                                                  0000016601c54f00<br>
                                                  0000000000000002<br>
                                                  [ 1558.573685] 
                                                  ffffffffb78b2320
                                                  0000000000000004
                                                  ffffffffb7205d60<br>
                                                  ffffffffb78b2320<br>
                                                  [ 1558.573689] 
                                                  ffffc24a4028a0d0
                                                  ffffffffb78b2518
                                                  0000000000000005<br>
                                                  ffffffffb70cbb2a<br>
                                                  [ 1558.573693] Call
                                                  Trace:<br>
                                                  [ 1558.573705] 
                                                  [<ffffffffb7205d60>]
                                                  ?
                                                  intel_idle+0x100/0x110<br>
                                                  [ 1558.573712] 
                                                  [<ffffffffb70cbb2a>]
                                                  ?
                                                  cpuidle_enter_state+0xea/0x2b0<br>
                                                  [ 1558.573717] 
                                                  [<ffffffffb6cb9504>]
                                                  ?
                                                  cpu_startup_entry+0x154/0x240<br>
                                                  [ 1558.573721] 
                                                  [<ffffffffb6c4805d>]
                                                  ?
                                                  start_secondary+0x14d/0x190<br>
                                                  [ 1558.573724] Task
                                                  dump for CPU 17:<br>
                                                  [ 1558.573726]
                                                  swapper/17      R 
                                                  running task        0 
                                                     0      1<br>
                                                  0x00200008<br>
                                                  [ 1558.573729] 
                                                  0000000000000083
                                                  fc4308ad94b8ed74
                                                  0000016749d5af00<br>
                                                  0000000000000011<br>
                                                  [ 1558.573734] 
                                                  ffffffffb78b2320
                                                  0000000000000004
                                                  ffffffffb7205d60<br>
                                                  ffffffffb78b2320<br>
                                                  [ 1558.573737] 
                                                  ffffc24a4044a0d0
                                                  ffffffffb78b2518
                                                  0000000000000005<br>
                                                  ffffffffb70cbb2a<br>
                                                  [ 1558.573741] Call
                                                  Trace:<br>
                                                  [ 1558.573746] 
                                                  [<ffffffffb7205d60>]
                                                  ?
                                                  intel_idle+0x100/0x110<br>
                                                  [ 1558.573750] 
                                                  [<ffffffffb70cbb2a>]
                                                  ?
                                                  cpuidle_enter_state+0xea/0x2b0<br>
                                                  [ 1558.573753] 
                                                  [<ffffffffb6cb9504>]
                                                  ?
                                                  cpu_startup_entry+0x154/0x240<br>
                                                  [ 1558.573756] 
                                                  [<ffffffffb6c4805d>]
                                                  ?
                                                  start_secondary+0x14d/0x190<br>
                                                  [ 1558.573758] Task
                                                  dump for CPU 20:<br>
                                                  [ 1558.573759]
                                                  swapper/20      R 
                                                  running task        0 
                                                     0      1<br>
                                                  0x00200008<br>
                                                  [ 1558.573763] 
                                                  0000000000000083
                                                  39fde3c30b22afa7
                                                  0000016b9477af00<br>
                                                  0000000000000014<br>
                                                  [ 1558.573767] 
                                                  ffffffffb78b2320
                                                  0000000000000004
                                                  ffffffffb7205d60<br>
                                                  ffffffffb78b2320<br>
                                                  [ 1558.573771] 
                                                  ffffc24a4050a0d0
                                                  ffffffffb78b2518
                                                  0000000000000005<br>
                                                  ffffffffb70cbb2a<br>
                                                  [ 1558.573774] Call
                                                  Trace:<br>
                                                  [ 1558.573778] 
                                                  [<ffffffffb7205d60>]
                                                  ?
                                                  intel_idle+0x100/0x110<br>
                                                  [ 1558.573782] 
                                                  [<ffffffffb70cbb2a>]
                                                  ?
                                                  cpuidle_enter_state+0xea/0x2b0<br>
                                                  [ 1558.573785] 
                                                  [<ffffffffb6cb9504>]
                                                  ?
                                                  cpu_startup_entry+0x154/0x240<br>
                                                  [ 1558.573788] 
                                                  [<ffffffffb6c4805d>]
                                                  ?
                                                  start_secondary+0x14d/0x190<br>
                                                  [ 1558.573790] Task
                                                  dump for CPU 21:<br>
                                                  [ 1558.573792]
                                                  swapper/21      R 
                                                  running task        0 
                                                     0      1<br>
                                                  0x00200008<br>
                                                  [ 1558.573795] 
                                                  0000000000000083
                                                  6b8f35123dc25bdb
                                                  0000016b9477af00<br>
                                                  0000000000000015<br>
                                                  [ 1558.573799] 
                                                  ffffffffb78b2320
                                                  0000000000000004
                                                  ffffffffb7205d60<br>
                                                  ffffffffb78b2320<br>
                                                  [ 1558.573803] 
                                                  ffffc24a4054a0d0
                                                  ffffffffb78b2518
                                                  0000000000000005<br>
                                                  ffffffffb70cbb2a<br>
                                                  [ 1558.573806] Call
                                                  Trace:<br>
                                                  [ 1558.573810] 
                                                  [<ffffffffb7205d60>]
                                                  ?
                                                  intel_idle+0x100/0x110<br>
                                                  [ 1558.573814] 
                                                  [<ffffffffb70cbb2a>]
                                                  ?
                                                  cpuidle_enter_state+0xea/0x2b0<br>
                                                  [ 1558.573817] 
                                                  [<ffffffffb6cb9504>]
                                                  ?
                                                  cpu_startup_entry+0x154/0x240<br>
                                                  [ 1558.573820] 
                                                  [<ffffffffb6c4805d>]
                                                  ?
                                                  start_secondary+0x14d/0x190<br>
                                                  [ 1558.573822] Task
                                                  dump for CPU 23:<br>
                                                  [ 1558.573824]
                                                  qemu-system-x86 R 
                                                  running task        0
                                                  18608      1<br>
                                                  0x00000800<br>
                                                  [ 1558.573827] 
                                                  0000000000000000
                                                  ffffffffc1551560
                                                  0000000000000000<br>
                                                  0000000000000000<br>
                                                  [ 1558.573831] 
                                                  ffff9404e1c00040
                                                  ffffffffc153d9a7
                                                  0000000000000000<br>
                                                  ffff9404e1c02760<br>
                                                  [ 1558.573835] 
                                                  ffffffffc1519882
                                                  0000000000000000
                                                  ffff9404e1c02760<br>
                                                  0000000000000004<br>
                                                  [ 1558.573839] Call
                                                  Trace:<br>
                                                  [ 1558.573882] 
                                                  [<ffffffffc153d9a7>]
                                                  ?
                                                  x86_emulate_insn+0x257/0xcf0
                                                  [kvm]<br>
                                                  [ 1558.573909] 
                                                  [<ffffffffc1519882>]
                                                  ?<br>
emulator_pio_in_emulated+0x102<wbr>/0x190 [kvm]<br>
                                                  [ 1558.573937] 
                                                  [<ffffffffc1539d31>]
                                                  ? writeback+0x61/0x210
                                                  [kvm]<br>
                                                  [ 1558.573962] 
                                                  [<ffffffffc1535e1d>]
                                                  ?
                                                  writeback_registers+0x4d/0x60
                                                  [kvm]<br>
                                                  [ 1558.573972] 
                                                  [<ffffffffc09dc21f>]
                                                  ?
                                                  atomic_switch_perf_msrs+0x6f/0<wbr>xa0<br>
                                                  [kvm_intel]<br>
                                                  [ 1558.574011] 
                                                  [<ffffffffc15252e3>]
                                                  ?<br>
kvm_arch_vcpu_ioctl_run+0x6b3/<wbr>0x1600 [kvm]<br>
                                                  [ 1558.574035] 
                                                  [<ffffffffc151f2fb>]
                                                  ?
                                                  kvm_arch_vcpu_load+0x5b/0x270
                                                  [kvm]<br>
                                                  [ 1558.574039] 
                                                  [<ffffffffb6c30765>]
                                                  ?
                                                  __kernel_fpu_end+0x35/0x100<br>
                                                  [ 1558.574059] 
                                                  [<ffffffffc150b4b5>]
                                                  ?
                                                  kvm_vcpu_ioctl+0x315/0x5d0
                                                  [kvm]<br>
                                                  [ 1558.574063] 
                                                  [<ffffffffb6ca1800>]
                                                  ? wake_up_q+0x70/0x70<br>
                                                  [ 1558.574066] 
                                                  [<ffffffffb6cb8799>]
                                                  ?
                                                  __wake_up_common+0x49/0x80<br>
                                                  [ 1558.574069] 
                                                  [<ffffffffb6e1603f>]
                                                  ?
                                                  do_vfs_ioctl+0x9f/0x600<br>
                                                  [ 1558.574092] 
                                                  [<ffffffffc151b898>]
                                                  ?
                                                  kvm_on_user_return+0x68/0xa0
                                                  [kvm]<br>
                                                  [ 1558.574094] 
                                                  [<ffffffffb6e16614>]
                                                  ? SyS_ioctl+0x74/0x80<br>
                                                  [ 1558.574111] 
                                                  [<ffffffffb720627b>]
                                                  ?
                                                  system_call_fast_compare_end+0<wbr>xc/0x9b<br>
                                                  [ 1558.574116]
                                                  rcu_sched kthread
                                                  starved for 5248
                                                  jiffies! g47014 c47013<br>
                                                  f0x2
                                                  RCU_GP_WAIT_FQS(3)
                                                  ->state=0x100<br>
                                                  [ 1558.574186]
                                                  rcu_sched       W   
                                                  0     8      2
                                                  0x00000000<br>
                                                  [ 1558.574189] 
                                                  ffff9414d1facc00
                                                  0000000000000000
                                                  ffff9404f8c3e080<br>
                                                  ffff9404ffad8240<br>
                                                  [ 1558.574193] 
                                                  ffff9404f8c6f0c0
                                                  ffffa25a400b7db0
                                                  ffffffffb72015d3<br>
                                                  ffffa25a400b7de0<br>
                                                  [ 1558.574197] 
                                                  000000010004b899
                                                  ffff9404ffad8240
                                                  0000000000000003<br>
                                                  ffff9404f8c3e080<br>
                                                  [ 1558.574201] Call
                                                  Trace:<br>
                                                  [ 1558.574205] 
                                                  [<ffffffffb72015d3>]
                                                  ?
                                                  __schedule+0x233/0x6d0<br>
                                                  [ 1558.574208] 
                                                  [<ffffffffb7201aa2>]
                                                  ? schedule+0x32/0x80<br>
                                                  [ 1558.574211] 
                                                  [<ffffffffb7204dae>]
                                                  ?
                                                  schedule_timeout+0x17e/0x310<br>
                                                  [ 1558.574217] 
                                                  [<ffffffffb6ce3e50>]
                                                  ?
                                                  del_timer_sync+0x50/0x50<br>
                                                  [ 1558.574220] 
                                                  [<ffffffffb6cdd605>]
                                                  ?
                                                  rcu_gp_kthread+0x505/0x850<br>
                                                  [ 1558.574223] 
                                                  [<ffffffffb6cb8799>]
                                                  ?
                                                  __wake_up_common+0x49/0x80<br>
                                                  [ 1558.574226] 
                                                  [<ffffffffb6cdd100>]
                                                  ?
                                                  rcu_note_context_switch+0xe0/0<wbr>xe0<br>
                                                  [ 1558.574230] 
                                                  [<ffffffffb6c965d7>]
                                                  ? kthread+0xd7/0xf0<br>
                                                  [ 1558.574234] 
                                                  [<ffffffffb6c96500>]
                                                  ?
                                                  kthread_park+0x60/0x60<br>
                                                  [ 1558.574238] 
                                                  [<ffffffffb72064f5>]
                                                  ?
                                                  ret_from_fork+0x25/0x30<br>
                                                  <br>
                                                  Thanks,<br>
                                                  Gh.<br>
                                                  <br>
                                                  <br>
______________________________<wbr>_________________<br>
                                                  vfio-users mailing
                                                  list<br>
                                                  <a
                                                    href="mailto:vfio-users@redhat.com"
                                                    target="_blank"
                                                    moz-do-not-send="true">vfio-users@redhat.com</a><br>
                                                  <a
                                                    href="https://www.redhat.com/mailman/listinfo/vfio-users"
                                                    rel="noreferrer"
                                                    target="_blank"
                                                    moz-do-not-send="true">https://www.redhat.com/mailman<wbr>/listinfo/vfio-users</a><br>
                                                  <br>
                                                </blockquote>
                                              </div>
                                              <br>
                                            </div>
                                          </blockquote>
                                          <br>
                                        </div>
                                      </div>
                                    </div>
                                  </blockquote>
                                </div>
                                <br>
                              </div>
                            </blockquote>
                            <br>
                          </div>
                        </div>
                      </div>
                    </blockquote>
                  </div>
                  <br>
                </div>
              </div>
            </div>
            <br>
            ______________________________<wbr>_________________<br>
            vfio-users mailing list<br>
            <a href="mailto:vfio-users@redhat.com"
              moz-do-not-send="true">vfio-users@redhat.com</a><br>
            <a href="https://www.redhat.com/mailman/listinfo/vfio-users"
              rel="noreferrer" target="_blank" moz-do-not-send="true">https://www.redhat.com/<wbr>mailman/listinfo/vfio-users</a><br>
            <br>
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