[vfio-users] [help] 2 identical GPUs in Arch
Garland Key
david.garland.key at gmail.com
Sun Feb 21 17:39:58 UTC 2016
Thank you. I'll work on this again tomorrow after work. I really
appreciate your willingness to help and your patience. Once I have this
all setup, I going to update the arch wiki on this topic thoroughly -
including what to do if you have identical GPUs.
Best,
Garland
On Sun, Feb 21, 2016 at 12:33 PM Ben J <btpprograms at gmail.com> wrote:
> Yes. You have no choice but to PCI stub both since pci stubs can only work
> by device ID. So you need to PCI stub them, then vfio bind the guest card,
> then nvidia bind the host card. You can probably set that up to happen on
> launch using systemd but I currently just have a script that I launch
> manually. My X server fails on startup with that same error but as soon as
> I bind the nvidia card the server starts successfully.
> On Feb 21, 2016 12:20 PM, "Garland Key" <david.garland.key at gmail.com>
> wrote:
>
>> Just to be sure I understand you correctly, you're suggesting that I pci
>> stub both of them and then bind one of them to nvidia after that, correct?
>> I just want to be clear that this is correct and that I'm using the correct
>> terminology so that I can research it further with the best results.
>>
>> On Sun, Feb 21, 2016 at 12:05 PM Ben J <btpprograms at gmail.com> wrote:
>>
>>> Did you pci stub them? If you pci stubbed both cards then then X
>>> obviously won't launch since it has no active graphics device. The module
>>> is probably failing because it has no card to bind to and X is set to
>>> launch using the nvidia driver. If you bind one of the cards to nvidia, X
>>> will probably launch.
>>> On Feb 21, 2016 12:01 PM, "Garland Key" <david.garland.key at gmail.com>
>>> wrote:
>>>
>>>> It seems xorg crashed because the nvidia kernel module failed. Here's
>>>> the xorg log file:
>>>>
>>>> [ 10.474] (--) Log file renamed from "/var/log/Xorg.pid-1427.log" to
>>>> "/var/log/Xorg.0.log"
>>>> [ 10.474]
>>>> X.Org X Server 1.18.1
>>>> Release Date: 2016-02-08
>>>> [ 10.474] X Protocol Version 11, Revision 0
>>>> [ 10.474] Build Operating System: Linux 4.2.5-1-ARCH x86_64
>>>> [ 10.474] Current Operating System: Linux makeshift 4.4.1-2-ARCH #1
>>>> SMP PREEMPT Wed Feb 3 13:12:33 UTC 2016 x86_64
>>>> [ 10.474] Kernel command line: initrd=\initramfs-linux.img
>>>> root=/dev/sda2 rw resume=/dev/sda3 quiet splash rd.modules-load=vfio-pci
>>>> intel_iommu=on usbhid.quirks=0x1B1C:0x1B13:0x20000408
>>>> [ 10.474] Build Date: 11 February 2016 09:57:03AM
>>>> [ 10.474]
>>>> [ 10.474] Current version of pixman: 0.34.0
>>>> [ 10.474] Before reporting problems, check http://wiki.x.org
>>>> to make sure that you have the latest version.
>>>> [ 10.474] Markers: (--) probed, (**) from config file, (==) default
>>>> setting,
>>>> (++) from command line, (!!) notice, (II) informational,
>>>> (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
>>>> [ 10.474] (==) Log file: "/var/log/Xorg.0.log", Time: Sun Feb 21
>>>> 10:37:06 2016
>>>> [ 10.474] (==) Using config file: "/etc/X11/xorg.conf"
>>>> [ 10.474] (==) Using system config directory
>>>> "/usr/share/X11/xorg.conf.d"
>>>> [ 10.475] (==) ServerLayout "Layout0"
>>>> [ 10.475] (**) |-->Screen "Screen0" (0)
>>>> [ 10.475] (**) | |-->Monitor "Monitor0"
>>>> [ 10.475] (**) | |-->Device "Device0"
>>>> [ 10.475] (**) |-->Input Device "Keyboard0"
>>>> [ 10.475] (**) |-->Input Device "Mouse0"
>>>> [ 10.475] (==) Automatically adding devices
>>>> [ 10.475] (==) Automatically enabling devices
>>>> [ 10.475] (==) Automatically adding GPU devices
>>>> [ 10.475] (==) Max clients allowed: 256, resource mask: 0x1fffff
>>>> [ 10.475] (WW) `fonts.dir' not found (or not valid) in
>>>> "/usr/share/fonts/100dpi/".
>>>> [ 10.475] Entry deleted from font path.
>>>> [ 10.475] (Run 'mkfontdir' on "/usr/share/fonts/100dpi/").
>>>> [ 10.475] (WW) `fonts.dir' not found (or not valid) in
>>>> "/usr/share/fonts/75dpi/".
>>>> [ 10.475] Entry deleted from font path.
>>>> [ 10.475] (Run 'mkfontdir' on "/usr/share/fonts/75dpi/").
>>>> [ 10.475] (==) FontPath set to:
>>>> /usr/share/fonts/misc/,
>>>> /usr/share/fonts/TTF/,
>>>> /usr/share/fonts/OTF/,
>>>> /usr/share/fonts/Type1/
>>>> [ 10.475] (==) ModulePath set to "/usr/lib/xorg/modules"
>>>> [ 10.475] (WW) Hotplugging is on, devices using drivers 'kbd',
>>>> 'mouse' or 'vmmouse' will be disabled.
>>>> [ 10.475] (WW) Disabling Keyboard0
>>>> [ 10.475] (WW) Disabling Mouse0
>>>> [ 10.475] (II) Loader magic: 0x81ad60
>>>> [ 10.475] (II) Module ABI versions:
>>>> [ 10.475] X.Org ANSI C Emulation: 0.4
>>>> [ 10.475] X.Org Video Driver: 20.0
>>>> [ 10.475] X.Org XInput driver : 22.1
>>>> [ 10.475] X.Org Server Extension : 9.0
>>>> [ 10.475] (++) using VT number 1
>>>>
>>>> [ 10.475] (II) systemd-logind: logind integration requires -keeptty
>>>> and -keeptty was not provided, disabling logind integration
>>>> [ 10.478] (--) PCI:*(0:1:0:0) 10de:13c2:1458:367a rev 161, Mem @
>>>> 0xfa000000/16777216, 0xc0000000/268435456, 0xd0000000/33554432, I/O @
>>>> 0x0000e000/128, BIOS @ 0x????????/524288
>>>> [ 10.478] (--) PCI: (0:2:0:0) 10de:13c2:1458:367a rev 161, Mem @
>>>> 0xf8000000/16777216, 0xa0000000/268435456, 0xb0000000/33554432, I/O @
>>>> 0x0000d000/128, BIOS @ 0x????????/524288
>>>> [ 10.478] (WW) Open ACPI failed (/var/run/acpid.socket) (No such
>>>> file or directory)
>>>> [ 10.478] (II) LoadModule: "glx"
>>>> [ 10.478] (II) Loading /usr/lib/xorg/modules/extensions/libglx.so
>>>> [ 10.482] (II) Module glx: vendor="NVIDIA Corporation"
>>>> [ 10.482] compiled for 4.0.2, module version = 1.0.0
>>>> [ 10.482] Module class: X.Org Server Extension
>>>> [ 10.482] (II) NVIDIA GLX Module 361.28 Wed Feb 3 15:10:57 PST
>>>> 2016
>>>> [ 10.482] (II) LoadModule: "nvidia"
>>>> [ 10.483] (II) Loading /usr/lib/xorg/modules/drivers/nvidia_drv.so
>>>> [ 10.483] (II) Module nvidia: vendor="NVIDIA Corporation"
>>>> [ 10.483] compiled for 4.0.2, module version = 1.0.0
>>>> [ 10.483] Module class: X.Org Video Driver
>>>> [ 10.483] (II) NVIDIA dlloader X Driver 361.28 Wed Feb 3 14:48:10
>>>> PST 2016
>>>> [ 10.483] (II) NVIDIA Unified Driver for all Supported NVIDIA GPUs
>>>> [ 10.483] (II) Loading sub module "fb"
>>>> [ 10.483] (II) LoadModule: "fb"
>>>> [ 10.483] (II) Loading /usr/lib/xorg/modules/libfb.so
>>>> [ 10.483] (II) Module fb: vendor="X.Org Foundation"
>>>> [ 10.483] compiled for 1.18.1, module version = 1.0.0
>>>> [ 10.483] ABI class: X.Org ANSI C Emulation, version 0.4
>>>> [ 10.483] (II) Loading sub module "wfb"
>>>> [ 10.483] (II) LoadModule: "wfb"
>>>> [ 10.483] (II) Loading /usr/lib/xorg/modules/libwfb.so
>>>> [ 10.484] (II) Module wfb: vendor="X.Org Foundation"
>>>> [ 10.484] compiled for 1.18.1, module version = 1.0.0
>>>> [ 10.484] ABI class: X.Org ANSI C Emulation, version 0.4
>>>> [ 10.484] (II) Loading sub module "ramdac"
>>>> [ 10.484] (II) LoadModule: "ramdac"
>>>> [ 10.484] (II) Module "ramdac" already built-in
>>>> [ 10.489] (EE) NVIDIA: Failed to initialize the NVIDIA kernel
>>>> module. Please see the
>>>> [ 10.489] (EE) NVIDIA: system's kernel log for additional error
>>>> messages and
>>>> [ 10.489] (EE) NVIDIA: consult the NVIDIA README for details.
>>>> [ 10.489] (EE) No devices detected.
>>>> [ 10.489] (EE)
>>>> Fatal server error:
>>>> [ 10.489] (EE) no screens found(EE)
>>>> [ 10.489] (EE)
>>>> Please consult the The X.Org Foundation support
>>>> at http://wiki.x.org
>>>> for help.
>>>> [ 10.489] (EE) Please also check the log file at
>>>> "/var/log/Xorg.0.log" for additional information.
>>>> [ 10.489] (EE)
>>>>
>>>> On Sun, Feb 21, 2016 at 11:10 AM Alex Williamson <
>>>> alex.williamson at redhat.com> wrote:
>>>>
>>>>> On Sun, Feb 21, 2016 at 9:04 AM, Garland Key <
>>>>> david.garland.key at gmail.com> wrote:
>>>>>
>>>>>> Thanks Alex,
>>>>>>
>>>>>> I consider myself an intermediate power user. I know enough to
>>>>>> understand what the line that you provided does, but not enough to write a
>>>>>> solution of my own. I inserted the line that you provided above in
>>>>>> /modprobe.d/vfio.conf and it caused X to fail. I had to alt+f2 to comment
>>>>>> it out, rebuilt initramfs and then reboot.
>>>>>>
>>>>>> It was suggested that I could do this through a systemd service in
>>>>>> the arch irc channel but nobody was able to provide details other than "man
>>>>>> systemd.service". Any further pointers is greatly appreciated.
>>>>>>
>>>>>
>>>>> Why does Xorg fail and what is a systemd script supposed to do
>>>>> differently to make it work? Maybe you just need to create an xorg.conf
>>>>> stub with a BusID to specify the remaining card for the host.
>>>>>
>>>>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://listman.redhat.com/archives/vfio-users/attachments/20160221/77ca7dbf/attachment.htm>
More information about the vfio-users
mailing list