[vfio-users] GPU crashes after a while with dmesg spam

Aria aria at ar1as.space
Wed Jun 21 15:58:58 UTC 2017


After a few minutes of gaming, once a significant event happens
(Someone dies ingame) the screen shuts off and claims there's no
signal. My dmesg log is spammed with
[ 2806.613203] vfio_bar_restore: 0000:01:00.0 reset recovery -
restoring bars [ 2808.169346] vfio_bar_restore: 0000:01:00.1 reset
recovery - restoring bars

Running archlinux, kernel 4.11.6-1-ARCH, NVIDIA GTX 970.

A curious note is the output of lspci once this happens is

01:00.0 VGA compatible controller: NVIDIA Corporation GM204 [GeForce
GTX 970] (rev ff) (prog-if ff) !!! Unknown header type 7f
	Kernel driver in use: vfio-pci
	Kernel modules: nouveau, nvidia_drm, nvidia

01:00.1 Audio device: NVIDIA Corporation GM204 High Definition Audio
Controller (rev ff) (prog-if ff) !!! Unknown header type 7f
	Kernel driver in use: vfio-pci
	Kernel modules: snd_hda_intel




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