[vfio-users] RX 480 vga passthrough 3D mode host hangs
Quentin Deldycke
quentindeldycke at gmail.com
Tue Aug 22 15:22:56 UTC 2017
Hi,
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.
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.
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.
--
Deldycke Quentin
On 22 August 2017 at 16:57, Jiri Novak <jiri.novak at ghorland.net> wrote:
> Hi,
>
> yes, not using OVMF, maybe that will fix it, not sure, I can try.
> 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.
> 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.
> for the RX, the romfile has no effect obviously, though for the R7 it
> won't start without it (R9 didn't care either).
> no isolation so far, just taskset so it won't roam across numa nodes.
> might add later.
>
> 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 :))
>
> I think my only chance now is ovmf, I have no other idea.
>
> lspci for reference:
>
> 00:00.0 Host bridge: Intel Corporation Xeon E5/Core i7 DMI2 (rev 07)
> 00:01.0 PCI bridge: Intel Corporation Xeon E5/Core i7 IIO PCI Express Root
> Port 1a (rev 07)
> 00:02.0 PCI bridge: Intel Corporation Xeon E5/Core i7 IIO PCI Express Root
> Port 2a (rev 07)
> 00:03.0 PCI bridge: Intel Corporation Xeon E5/Core i7 IIO PCI Express Root
> Port 3a in PCI Express Mode (rev 07)
> 00:04.0 System peripheral: Intel Corporation Xeon E5/Core i7 DMA Channel 0
> (rev 07)
> 00:04.1 System peripheral: Intel Corporation Xeon E5/Core i7 DMA Channel 1
> (rev 07)
> 00:04.2 System peripheral: Intel Corporation Xeon E5/Core i7 DMA Channel 2
> (rev 07)
> 00:04.3 System peripheral: Intel Corporation Xeon E5/Core i7 DMA Channel 3
> (rev 07)
> 00:04.4 System peripheral: Intel Corporation Xeon E5/Core i7 DMA Channel 4
> (rev 07)
> 00:04.5 System peripheral: Intel Corporation Xeon E5/Core i7 DMA Channel 5
> (rev 07)
> 00:04.6 System peripheral: Intel Corporation Xeon E5/Core i7 DMA Channel 6
> (rev 07)
> 00:04.7 System peripheral: Intel Corporation Xeon E5/Core i7 DMA Channel 7
> (rev 07)
> 00:05.0 System peripheral: Intel Corporation Xeon E5/Core i7 Address Map,
> VTd_Misc, System Management (rev 07)
> 00:05.2 System peripheral: Intel Corporation Xeon E5/Core i7 Control
> Status and Global Errors (rev 07)
> 00:05.4 PIC: Intel Corporation Xeon E5/Core i7 I/O APIC (rev 07)
> 00:11.0 PCI bridge: Intel Corporation C600/X79 series chipset PCI Express
> Virtual Root Port (rev 06)
> 00:16.0 Communication controller: Intel Corporation C600/X79 series
> chipset MEI Controller #1 (rev 05)
> 00:16.1 Communication controller: Intel Corporation C600/X79 series
> chipset MEI Controller #2 (rev 05)
> 00:1a.0 USB controller: Intel Corporation C600/X79 series chipset USB2
> Enhanced Host Controller #2 (rev 06)
> 00:1b.0 Audio device: Intel Corporation C600/X79 series chipset High
> Definition Audio Controller (rev 06)
> 00:1c.0 PCI bridge: Intel Corporation C600/X79 series chipset PCI Express
> Root Port 1 (rev b6)
> 00:1c.5 PCI bridge: Intel Corporation C600/X79 series chipset PCI Express
> Root Port 6 (rev b6)
> 00:1c.6 PCI bridge: Intel Corporation C600/X79 series chipset PCI Express
> Root Port 7 (rev b6)
> 00:1d.0 USB controller: Intel Corporation C600/X79 series chipset USB2
> Enhanced Host Controller #1 (rev 06)
> 00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev a6)
> 00:1f.0 ISA bridge: Intel Corporation C600/X79 series chipset LPC
> Controller (rev 06)
> 00:1f.2 SATA controller: Intel Corporation C600/X79 series chipset 6-Port
> SATA AHCI Controller (rev 06)
> 00:1f.3 SMBus: Intel Corporation C600/X79 series chipset SMBus Host
> Controller (rev 06)
> 00:1f.6 Signal processing controller: Intel Corporation C600/X79 series
> chipset Thermal Management Controller (rev 06)
> 01:00.0 Serial Attached SCSI controller: LSI Logic / Symbios Logic SAS2308
> PCI-Express Fusion-MPT SAS-2 (rev 05)
> 02:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
> Ellesmere [Radeon RX 470/480] (rev c7)
> 02:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Device aaf0
> 03:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI]
> Oland [Radeon HD 8570 / R7 240/340 OEM]
> 03:00.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Cape
> Verde/Pitcairn HDMI Audio [Radeon HD 7700/7800 Series]
> 04:00.0 Serial Attached SCSI controller: Intel Corporation C602 chipset
> 4-Port SATA Storage Control Unit (rev 06)
> 05:00.0 Ethernet controller: Intel Corporation I350 Gigabit Network
> Connection (rev 01)
> 05:00.1 Ethernet controller: Intel Corporation I350 Gigabit Network
> Connection (rev 01)
> 07:00.0 USB controller: NEC Corporation uPD720200 USB 3.0 Host Controller
> (rev 04)
> 08:00.0 USB controller: NEC Corporation uPD720200 USB 3.0 Host Controller
> (rev 04)
> 09:02.0 FireWire (IEEE 1394): Texas Instruments TSB43AB22A IEEE-1394a-2000
> Controller (PHY/Link) [iOHCI-Lynx]
> 7f:08.0 System peripheral: Intel Corporation Xeon E5/Core i7 QPI Link 0
> (rev 07)
> 7f:08.3 System peripheral: Intel Corporation Xeon E5/Core i7 QPI Link Reut
> 0 (rev 07)
> 7f:08.4 System peripheral: Intel Corporation Xeon E5/Core i7 QPI Link Reut
> 0 (rev 07)
> 7f:09.0 System peripheral: Intel Corporation Xeon E5/Core i7 QPI Link 1
> (rev 07)
> 7f:09.3 System peripheral: Intel Corporation Xeon E5/Core i7 QPI Link Reut
> 1 (rev 07)
> 7f:09.4 System peripheral: Intel Corporation Xeon E5/Core i7 QPI Link Reut
> 1 (rev 07)
> 7f:0a.0 System peripheral: Intel Corporation Xeon E5/Core i7 Power Control
> Unit 0 (rev 07)
> 7f:0a.1 System peripheral: Intel Corporation Xeon E5/Core i7 Power Control
> Unit 1 (rev 07)
> 7f:0a.2 System peripheral: Intel Corporation Xeon E5/Core i7 Power Control
> Unit 2 (rev 07)
> 7f:0a.3 System peripheral: Intel Corporation Xeon E5/Core i7 Power Control
> Unit 3 (rev 07)
> 7f:0b.0 System peripheral: Intel Corporation Xeon E5/Core i7 Interrupt
> Control Registers (rev 07)
> 7f:0b.3 System peripheral: Intel Corporation Xeon E5/Core i7 Semaphore and
> Scratchpad Configuration Registers (rev 07)
> 7f:0c.0 System peripheral: Intel Corporation Xeon E5/Core i7 Unicast
> Register 0 (rev 07)
> 7f:0c.1 System peripheral: Intel Corporation Xeon E5/Core i7 Unicast
> Register 0 (rev 07)
> 7f:0c.2 System peripheral: Intel Corporation Xeon E5/Core i7 Unicast
> Register 0 (rev 07)
> 7f:0c.3 System peripheral: Intel Corporation Xeon E5/Core i7 Unicast
> Register 0 (rev 07)
> 7f:0c.6 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated
> Memory Controller System Address Decoder 0 (rev 07)
> 7f:0c.7 System peripheral: Intel Corporation Xeon E5/Core i7 System
> Address Decoder (rev 07)
> 7f:0d.0 System peripheral: Intel Corporation Xeon E5/Core i7 Unicast
> Register 0 (rev 07)
> 7f:0d.1 System peripheral: Intel Corporation Xeon E5/Core i7 Unicast
> Register 0 (rev 07)
> 7f:0d.2 System peripheral: Intel Corporation Xeon E5/Core i7 Unicast
> Register 0 (rev 07)
> 7f:0d.3 System peripheral: Intel Corporation Xeon E5/Core i7 Unicast
> Register 0 (rev 07)
> 7f:0d.6 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated
> Memory Controller System Address Decoder 1 (rev 07)
> 7f:0e.0 System peripheral: Intel Corporation Xeon E5/Core i7 Processor
> Home Agent (rev 07)
> 7f:0e.1 Performance counters: Intel Corporation Xeon E5/Core i7 Processor
> Home Agent Performance Monitoring (rev 07)
> 7f:0f.0 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated
> Memory Controller Registers (rev 07)
> 7f:0f.1 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated
> Memory Controller RAS Registers (rev 07)
> 7f:0f.2 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated
> Memory Controller Target Address Decoder 0 (rev 07)
> 7f:0f.3 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated
> Memory Controller Target Address Decoder 1 (rev 07)
> 7f:0f.4 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated
> Memory Controller Target Address Decoder 2 (rev 07)
> 7f:0f.5 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated
> Memory Controller Target Address Decoder 3 (rev 07)
> 7f:0f.6 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated
> Memory Controller Target Address Decoder 4 (rev 07)
> 7f:10.0 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated
> Memory Controller Channel 0-3 Thermal Control 0 (rev 07)
> 7f:10.1 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated
> Memory Controller Channel 0-3 Thermal Control 1 (rev 07)
> 7f:10.2 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated
> Memory Controller ERROR Registers 0 (rev 07)
> 7f:10.3 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated
> Memory Controller ERROR Registers 1 (rev 07)
> 7f:10.4 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated
> Memory Controller Channel 0-3 Thermal Control 2 (rev 07)
> 7f:10.5 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated
> Memory Controller Channel 0-3 Thermal Control 3 (rev 07)
> 7f:10.6 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated
> Memory Controller ERROR Registers 2 (rev 07)
> 7f:10.7 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated
> Memory Controller ERROR Registers 3 (rev 07)
> 7f:11.0 System peripheral: Intel Corporation Xeon E5/Core i7 DDRIO (rev 07)
> 7f:13.0 System peripheral: Intel Corporation Xeon E5/Core i7 R2PCIe (rev
> 07)
> 7f:13.1 Performance counters: Intel Corporation Xeon E5/Core i7 Ring to
> PCI Express Performance Monitor (rev 07)
> 7f:13.4 Performance counters: Intel Corporation Xeon E5/Core i7 QuickPath
> Interconnect Agent Ring Registers (rev 07)
> 7f:13.5 Performance counters: Intel Corporation Xeon E5/Core i7 Ring to
> QuickPath Interconnect Link 0 Performance Monitor (rev 07)
> 7f:13.6 System peripheral: Intel Corporation Xeon E5/Core i7 Ring to
> QuickPath Interconnect Link 1 Performance Monitor (rev 07)
> 80:01.0 PCI bridge: Intel Corporation Xeon E5/Core i7 IIO PCI Express Root
> Port 1a (rev 07)
> 80:02.0 PCI bridge: Intel Corporation Xeon E5/Core i7 IIO PCI Express Root
> Port 2a (rev 07)
> 80:03.0 PCI bridge: Intel Corporation Xeon E5/Core i7 IIO PCI Express Root
> Port 3a in PCI Express Mode (rev 07)
> 80:03.2 PCI bridge: Intel Corporation Xeon E5/Core i7 IIO PCI Express Root
> Port 3c (rev 07)
> 80:04.0 System peripheral: Intel Corporation Xeon E5/Core i7 DMA Channel 0
> (rev 07)
> 80:04.1 System peripheral: Intel Corporation Xeon E5/Core i7 DMA Channel 1
> (rev 07)
> 80:04.2 System peripheral: Intel Corporation Xeon E5/Core i7 DMA Channel 2
> (rev 07)
> 80:04.3 System peripheral: Intel Corporation Xeon E5/Core i7 DMA Channel 3
> (rev 07)
> 80:04.4 System peripheral: Intel Corporation Xeon E5/Core i7 DMA Channel 4
> (rev 07)
> 80:04.5 System peripheral: Intel Corporation Xeon E5/Core i7 DMA Channel 5
> (rev 07)
> 80:04.6 System peripheral: Intel Corporation Xeon E5/Core i7 DMA Channel 6
> (rev 07)
> 80:04.7 System peripheral: Intel Corporation Xeon E5/Core i7 DMA Channel 7
> (rev 07)
> 80:05.0 System peripheral: Intel Corporation Xeon E5/Core i7 Address Map,
> VTd_Misc, System Management (rev 07)
> 80:05.2 System peripheral: Intel Corporation Xeon E5/Core i7 Control
> Status and Global Errors (rev 07)
> 80:05.4 PIC: Intel Corporation Xeon E5/Core i7 I/O APIC (rev 07)
> 82:00.0 VGA compatible controller: NVIDIA Corporation G98 [Quadro NVS 295]
> (rev a1)
> ff:08.0 System peripheral: Intel Corporation Xeon E5/Core i7 QPI Link 0
> (rev 07)
> ff:08.3 System peripheral: Intel Corporation Xeon E5/Core i7 QPI Link Reut
> 0 (rev 07)
> ff:08.4 System peripheral: Intel Corporation Xeon E5/Core i7 QPI Link Reut
> 0 (rev 07)
> ff:09.0 System peripheral: Intel Corporation Xeon E5/Core i7 QPI Link 1
> (rev 07)
> ff:09.3 System peripheral: Intel Corporation Xeon E5/Core i7 QPI Link Reut
> 1 (rev 07)
> ff:09.4 System peripheral: Intel Corporation Xeon E5/Core i7 QPI Link Reut
> 1 (rev 07)
> ff:0a.0 System peripheral: Intel Corporation Xeon E5/Core i7 Power Control
> Unit 0 (rev 07)
> ff:0a.1 System peripheral: Intel Corporation Xeon E5/Core i7 Power Control
> Unit 1 (rev 07)
> ff:0a.2 System peripheral: Intel Corporation Xeon E5/Core i7 Power Control
> Unit 2 (rev 07)
> ff:0a.3 System peripheral: Intel Corporation Xeon E5/Core i7 Power Control
> Unit 3 (rev 07)
> ff:0b.0 System peripheral: Intel Corporation Xeon E5/Core i7 Interrupt
> Control Registers (rev 07)
> ff:0b.3 System peripheral: Intel Corporation Xeon E5/Core i7 Semaphore and
> Scratchpad Configuration Registers (rev 07)
> ff:0c.0 System peripheral: Intel Corporation Xeon E5/Core i7 Unicast
> Register 0 (rev 07)
> ff:0c.1 System peripheral: Intel Corporation Xeon E5/Core i7 Unicast
> Register 0 (rev 07)
> ff:0c.2 System peripheral: Intel Corporation Xeon E5/Core i7 Unicast
> Register 0 (rev 07)
> ff:0c.3 System peripheral: Intel Corporation Xeon E5/Core i7 Unicast
> Register 0 (rev 07)
> ff:0c.6 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated
> Memory Controller System Address Decoder 0 (rev 07)
> ff:0c.7 System peripheral: Intel Corporation Xeon E5/Core i7 System
> Address Decoder (rev 07)
> ff:0d.0 System peripheral: Intel Corporation Xeon E5/Core i7 Unicast
> Register 0 (rev 07)
> ff:0d.1 System peripheral: Intel Corporation Xeon E5/Core i7 Unicast
> Register 0 (rev 07)
> ff:0d.2 System peripheral: Intel Corporation Xeon E5/Core i7 Unicast
> Register 0 (rev 07)
> ff:0d.3 System peripheral: Intel Corporation Xeon E5/Core i7 Unicast
> Register 0 (rev 07)
> ff:0d.6 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated
> Memory Controller System Address Decoder 1 (rev 07)
> ff:0e.0 System peripheral: Intel Corporation Xeon E5/Core i7 Processor
> Home Agent (rev 07)
> ff:0e.1 Performance counters: Intel Corporation Xeon E5/Core i7 Processor
> Home Agent Performance Monitoring (rev 07)
> ff:0f.0 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated
> Memory Controller Registers (rev 07)
> ff:0f.1 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated
> Memory Controller RAS Registers (rev 07)
> ff:0f.2 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated
> Memory Controller Target Address Decoder 0 (rev 07)
> ff:0f.3 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated
> Memory Controller Target Address Decoder 1 (rev 07)
> ff:0f.4 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated
> Memory Controller Target Address Decoder 2 (rev 07)
> ff:0f.5 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated
> Memory Controller Target Address Decoder 3 (rev 07)
> ff:0f.6 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated
> Memory Controller Target Address Decoder 4 (rev 07)
> ff:10.0 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated
> Memory Controller Channel 0-3 Thermal Control 0 (rev 07)
> ff:10.1 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated
> Memory Controller Channel 0-3 Thermal Control 1 (rev 07)
> ff:10.2 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated
> Memory Controller ERROR Registers 0 (rev 07)
> ff:10.3 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated
> Memory Controller ERROR Registers 1 (rev 07)
> ff:10.4 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated
> Memory Controller Channel 0-3 Thermal Control 2 (rev 07)
> ff:10.5 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated
> Memory Controller Channel 0-3 Thermal Control 3 (rev 07)
> ff:10.6 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated
> Memory Controller ERROR Registers 2 (rev 07)
> ff:10.7 System peripheral: Intel Corporation Xeon E5/Core i7 Integrated
> Memory Controller ERROR Registers 3 (rev 07)
> ff:11.0 System peripheral: Intel Corporation Xeon E5/Core i7 DDRIO (rev 07)
> ff:13.0 System peripheral: Intel Corporation Xeon E5/Core i7 R2PCIe (rev
> 07)
> ff:13.1 Performance counters: Intel Corporation Xeon E5/Core i7 Ring to
> PCI Express Performance Monitor (rev 07)
> ff:13.4 Performance counters: Intel Corporation Xeon E5/Core i7 QuickPath
> Interconnect Agent Ring Registers (rev 07)
> ff:13.5 Performance counters: Intel Corporation Xeon E5/Core i7 Ring to
> QuickPath Interconnect Link 0 Performance Monitor (rev 07)
> ff:13.6 System peripheral: Intel Corporation Xeon E5/Core i7 Ring to
> QuickPath Interconnect Link 1 Performance Monitor (rev 07)
>
>
> Quentin Deldycke wrote:
>
> If you want, here is a working i440fx libvirt xml file using r9 290
>
> I would say much thing about your command line:
>
> - You are not using OVMF. For modern cards, i think it is much more
> suitable.
> - Is your R9 your boot card? If it is the case, it is 'initailized' by
> linux a way or another. This is not good :/
> - I would delete ALL unneeded devices like your second passed through
> device, second drive, sound card... To target only your problematic device
> - 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?)
> - Do you use isolcpu? Or any kind of cpu pinning?
>
>
> Actually libvirt is quite easy to configure and provide much more
> interesting features like cpu pinning...
>
> --
> Deldycke Quentin
>
>
> On 22 August 2017 at 16:12, Jiri Novak <jiri.novak at ghorland.net> wrote:
>
>> Hi,
>>
>> 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.
>> 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.
>> 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
>> :)
>>
>> Gh.
>>
>> Quentin Deldycke wrote:
>>
>> Hello,
>>
>> I think that first, you should use libvirt.
>> I believe that most bugs are from a badly made qemu command line, bad
>> isolations or stull like this.
>>
>> Libvirt => less pain, more working vms!
>>
>>
>>
>> --
>> Deldycke Quentin
>>
>>
>> On 22 August 2017 at 13:16, Jiri Novak <jiri.novak at ghorland.net> wrote:
>>
>>> Hi,
>>>
>>> I've got back again to testing the RX 480 setup with tips I got
>>> previously (like using i440fx instead of q35) and got a bit further, now
>>> I can run it at least in 2D mode (if I use driver from windows update)
>>> on windows 10 rev 1703.
>>>
>>> If I install full driver from AMD website, the host hangs during install
>>> and after that, it runs about 2-3minutes after boot until it hangs.
>>> With driver from windows update, it hangs when I run any game.
>>>
>>> Any ideas what to try next, how to find out what's wrong?
>>>
>>> Qemu commandline:
>>>
>>> LC_ALL=C
>>> PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
>>> QEMU_AUDIO_DRV=pa /usr/bin/taskset -c 4-7,20-23
>>> /usr/bin/qemu-system-x86_64 \
>>> -name 12-wingame \
>>> -machine pc-i440fx-2.8,accel=kvm,usb=off \
>>> -cpu host \
>>> -object
>>> memory-backend-file,id=mem0,size=16G,mem-path=/dev/hugepages1g,share=off
>>> \
>>> -numa node,nodeid=0,memdev=mem0 \
>>> -m 16G \
>>> -realtime mlock=off \
>>> -smp sockets=1,cores=4,threads=2 \
>>> -uuid 4baaaaaa-aaf5-aaaaaa-919d-aaaaaaacaaaa \
>>> -nographic -no-user-config -nodefaults -no-hpet \
>>> -rtc base=localtime,driftfix=slew \
>>> -global kvm-pit.lost_tick_policy=discard \
>>> -boot d \
>>> -drive
>>> file=/dev/Z-ssd/qemu/12-wingame,if=none,id=drive-virtio-disk
>>> 0,format=raw,cache=none,aio=native
>>> \
>>> -drive
>>> file=/dev/Z-ssd/data/games-blizzard,if=none,id=drive-virtio-
>>> disk1,format=raw,cache=none,aio=native
>>> \
>>> -device virtio-scsi-pci,bus=pci.0,addr=0x5 \
>>> -device scsi-hd,drive=drive-virtio-disk0 \
>>> -device scsi-hd,drive=drive-virtio-disk1 \
>>> -netdev tap,id=netdev0,ifname=V0300t12,script=no,downscript=no \
>>> -device
>>> virtio-net-pci,netdev=netdev0,id=net0,mac=42:42:42:00:00:0c,
>>> bus=pci.0,addr=0x6
>>> \
>>> -device
>>> vfio-pci,host=02:00.0,id=hostdev6,bus=pci.0,multifunction=on
>>> ,addr=0x3,x-vga=on,romfile=/root/roms/Sapphire.RX480.4096.161002.rom
>>> \
>>> -device vfio-pci,host=02:00.1,id=hostdev7,bus=pci.0,addr=0x3.0x1 \
>>> -device vfio-pci,host=07:00.0,id=hostdev2,bus=pci.0,addr=0x4 \
>>> -vga none \
>>> -soundhw hda \
>>> -device virtio-rng-pci \
>>> -chardev stdio,id=seabios \
>>> -device isa-debugcon,iobase=0x402,chardev=seabios \
>>> -msg timestamp=on \
>>> >>/var/log/kvm/12-wingame.stdout 2>>/var/log/kvm/12-wingame.stderr &
>>>
>>> Usually I don't manage to get any error, though once the host managed to
>>> spit out this to console (when it crashed after 2 minutes with amd
>>> driver)
>>>
>>> INFO: rcu_sched detected stalls on CPUs/tasks:
>>> [ 1558.573332] 2-...: (0 ticks this GP) idle=a16/0/0
>>> softirq=17601/17601 fqs=1
>>> [ 1558.573400] 17-...: (1 GPs behind) idle=9c8/0/0
>>> softirq=13311/13311 fqs=1
>>> [ 1558.573452] 20-...: (24 GPs behind) idle=be0/0/0
>>> softirq=30971/30972 fqs=1
>>> [ 1558.573505] 21-...: (4 GPs behind) idle=4a0/0/0
>>> softirq=26182/26183 fqs=1
>>> [ 1558.573557] 23-...: (0 ticks this GP) idle=b45/140000000000000/0
>>> softirq=30549/30549 fqs=1
>>> [ 1558.573615] (detected by 14, t=5252 jiffies, g=47014, c=47013,
>>> q=40045)
>>> [ 1558.573670] Task dump for CPU 2:
>>> [ 1558.573672] swapper/2 R running task 0 0 1
>>> 0x00200008
>>> [ 1558.573680] 0000000000000083 640fb4432252d28b 0000016601c54f00
>>> 0000000000000002
>>> [ 1558.573685] ffffffffb78b2320 0000000000000004 ffffffffb7205d60
>>> ffffffffb78b2320
>>> [ 1558.573689] ffffc24a4028a0d0 ffffffffb78b2518 0000000000000005
>>> ffffffffb70cbb2a
>>> [ 1558.573693] Call Trace:
>>> [ 1558.573705] [<ffffffffb7205d60>] ? intel_idle+0x100/0x110
>>> [ 1558.573712] [<ffffffffb70cbb2a>] ? cpuidle_enter_state+0xea/0x2b0
>>> [ 1558.573717] [<ffffffffb6cb9504>] ? cpu_startup_entry+0x154/0x240
>>> [ 1558.573721] [<ffffffffb6c4805d>] ? start_secondary+0x14d/0x190
>>> [ 1558.573724] Task dump for CPU 17:
>>> [ 1558.573726] swapper/17 R running task 0 0 1
>>> 0x00200008
>>> [ 1558.573729] 0000000000000083 fc4308ad94b8ed74 0000016749d5af00
>>> 0000000000000011
>>> [ 1558.573734] ffffffffb78b2320 0000000000000004 ffffffffb7205d60
>>> ffffffffb78b2320
>>> [ 1558.573737] ffffc24a4044a0d0 ffffffffb78b2518 0000000000000005
>>> ffffffffb70cbb2a
>>> [ 1558.573741] Call Trace:
>>> [ 1558.573746] [<ffffffffb7205d60>] ? intel_idle+0x100/0x110
>>> [ 1558.573750] [<ffffffffb70cbb2a>] ? cpuidle_enter_state+0xea/0x2b0
>>> [ 1558.573753] [<ffffffffb6cb9504>] ? cpu_startup_entry+0x154/0x240
>>> [ 1558.573756] [<ffffffffb6c4805d>] ? start_secondary+0x14d/0x190
>>> [ 1558.573758] Task dump for CPU 20:
>>> [ 1558.573759] swapper/20 R running task 0 0 1
>>> 0x00200008
>>> [ 1558.573763] 0000000000000083 39fde3c30b22afa7 0000016b9477af00
>>> 0000000000000014
>>> [ 1558.573767] ffffffffb78b2320 0000000000000004 ffffffffb7205d60
>>> ffffffffb78b2320
>>> [ 1558.573771] ffffc24a4050a0d0 ffffffffb78b2518 0000000000000005
>>> ffffffffb70cbb2a
>>> [ 1558.573774] Call Trace:
>>> [ 1558.573778] [<ffffffffb7205d60>] ? intel_idle+0x100/0x110
>>> [ 1558.573782] [<ffffffffb70cbb2a>] ? cpuidle_enter_state+0xea/0x2b0
>>> [ 1558.573785] [<ffffffffb6cb9504>] ? cpu_startup_entry+0x154/0x240
>>> [ 1558.573788] [<ffffffffb6c4805d>] ? start_secondary+0x14d/0x190
>>> [ 1558.573790] Task dump for CPU 21:
>>> [ 1558.573792] swapper/21 R running task 0 0 1
>>> 0x00200008
>>> [ 1558.573795] 0000000000000083 6b8f35123dc25bdb 0000016b9477af00
>>> 0000000000000015
>>> [ 1558.573799] ffffffffb78b2320 0000000000000004 ffffffffb7205d60
>>> ffffffffb78b2320
>>> [ 1558.573803] ffffc24a4054a0d0 ffffffffb78b2518 0000000000000005
>>> ffffffffb70cbb2a
>>> [ 1558.573806] Call Trace:
>>> [ 1558.573810] [<ffffffffb7205d60>] ? intel_idle+0x100/0x110
>>> [ 1558.573814] [<ffffffffb70cbb2a>] ? cpuidle_enter_state+0xea/0x2b0
>>> [ 1558.573817] [<ffffffffb6cb9504>] ? cpu_startup_entry+0x154/0x240
>>> [ 1558.573820] [<ffffffffb6c4805d>] ? start_secondary+0x14d/0x190
>>> [ 1558.573822] Task dump for CPU 23:
>>> [ 1558.573824] qemu-system-x86 R running task 0 18608 1
>>> 0x00000800
>>> [ 1558.573827] 0000000000000000 ffffffffc1551560 0000000000000000
>>> 0000000000000000
>>> [ 1558.573831] ffff9404e1c00040 ffffffffc153d9a7 0000000000000000
>>> ffff9404e1c02760
>>> [ 1558.573835] ffffffffc1519882 0000000000000000 ffff9404e1c02760
>>> 0000000000000004
>>> [ 1558.573839] Call Trace:
>>> [ 1558.573882] [<ffffffffc153d9a7>] ? x86_emulate_insn+0x257/0xcf0 [kvm]
>>> [ 1558.573909] [<ffffffffc1519882>] ?
>>> emulator_pio_in_emulated+0x102/0x190 [kvm]
>>> [ 1558.573937] [<ffffffffc1539d31>] ? writeback+0x61/0x210 [kvm]
>>> [ 1558.573962] [<ffffffffc1535e1d>] ? writeback_registers+0x4d/0x60
>>> [kvm]
>>> [ 1558.573972] [<ffffffffc09dc21f>] ? atomic_switch_perf_msrs+0x6f/0xa0
>>> [kvm_intel]
>>> [ 1558.574011] [<ffffffffc15252e3>] ?
>>> kvm_arch_vcpu_ioctl_run+0x6b3/0x1600 [kvm]
>>> [ 1558.574035] [<ffffffffc151f2fb>] ? kvm_arch_vcpu_load+0x5b/0x270
>>> [kvm]
>>> [ 1558.574039] [<ffffffffb6c30765>] ? __kernel_fpu_end+0x35/0x100
>>> [ 1558.574059] [<ffffffffc150b4b5>] ? kvm_vcpu_ioctl+0x315/0x5d0 [kvm]
>>> [ 1558.574063] [<ffffffffb6ca1800>] ? wake_up_q+0x70/0x70
>>> [ 1558.574066] [<ffffffffb6cb8799>] ? __wake_up_common+0x49/0x80
>>> [ 1558.574069] [<ffffffffb6e1603f>] ? do_vfs_ioctl+0x9f/0x600
>>> [ 1558.574092] [<ffffffffc151b898>] ? kvm_on_user_return+0x68/0xa0 [kvm]
>>> [ 1558.574094] [<ffffffffb6e16614>] ? SyS_ioctl+0x74/0x80
>>> [ 1558.574111] [<ffffffffb720627b>] ? system_call_fast_compare_end+0
>>> xc/0x9b
>>> [ 1558.574116] rcu_sched kthread starved for 5248 jiffies! g47014 c47013
>>> f0x2 RCU_GP_WAIT_FQS(3) ->state=0x100
>>> [ 1558.574186] rcu_sched W 0 8 2 0x00000000
>>> [ 1558.574189] ffff9414d1facc00 0000000000000000 ffff9404f8c3e080
>>> ffff9404ffad8240
>>> [ 1558.574193] ffff9404f8c6f0c0 ffffa25a400b7db0 ffffffffb72015d3
>>> ffffa25a400b7de0
>>> [ 1558.574197] 000000010004b899 ffff9404ffad8240 0000000000000003
>>> ffff9404f8c3e080
>>> [ 1558.574201] Call Trace:
>>> [ 1558.574205] [<ffffffffb72015d3>] ? __schedule+0x233/0x6d0
>>> [ 1558.574208] [<ffffffffb7201aa2>] ? schedule+0x32/0x80
>>> [ 1558.574211] [<ffffffffb7204dae>] ? schedule_timeout+0x17e/0x310
>>> [ 1558.574217] [<ffffffffb6ce3e50>] ? del_timer_sync+0x50/0x50
>>> [ 1558.574220] [<ffffffffb6cdd605>] ? rcu_gp_kthread+0x505/0x850
>>> [ 1558.574223] [<ffffffffb6cb8799>] ? __wake_up_common+0x49/0x80
>>> [ 1558.574226] [<ffffffffb6cdd100>] ? rcu_note_context_switch+0xe0/0xe0
>>> [ 1558.574230] [<ffffffffb6c965d7>] ? kthread+0xd7/0xf0
>>> [ 1558.574234] [<ffffffffb6c96500>] ? kthread_park+0x60/0x60
>>> [ 1558.574238] [<ffffffffb72064f5>] ? ret_from_fork+0x25/0x30
>>>
>>> Thanks,
>>> Gh.
>>>
>>>
>>> _______________________________________________
>>> vfio-users mailing list
>>> vfio-users at redhat.com
>>> https://www.redhat.com/mailman/listinfo/vfio-users
>>>
>>>
>>
>>
>
>
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