On Wed, 21 Jun 2017 23:58:58 +0800 Aria <aria@ar1as.space> wrote: > 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 >
This means that the card doesn't show up in PCI config space anymore (all reads return -1). That's potentially also why vfio thinks the device was reset, suddenly the BARs don't contain what we think they should because reading them returns -1. Seems like a hardware issue. Thanks, Alex _______________________________________________ vfio-users mailing list vfio-users@redhat.com https://www.redhat.com/mailman/listinfo/vfio-users
