[vfio-users] [help] 2 identical GPUs in Arch

Sun Feb 21 17:01:49 UTC 2016

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/c9313e66/attachment.htm>