[Bug 93101] GPU Fault almost burned the CPU

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93101

--- Comment #11 from Thomas DEBESSE <dev at illwieckz.net> ---
> Is that reproducible?

Yes it is.

> Does pure VDPAU playback using mpv works.

Yes without crashing, if I did it right (see log).

MPV said that:

VO: [vdpau] 720x576 => 768x576 yuv420p
[vo/vdpau] Compositing window manager detected. Assuming timing info is
inaccurate.

VLC said that:

[00007f11a40009d8] core input error: ES_OUT_RESET_PCR called
[00007f11a40009d8] core input error: ES_OUT_RESET_PCR called
[00007f119c175288] avcodec decoder: Using G3DVL VDPAU Driver Shared Library
version 1.0 for hardware decoding
[00007f11880a7398] deinterlace filter error: unsupported chroma VDV0
[00007f11a40009d8] core input error: ES_OUT_SET_(GROUP_)PCR  is called too late
(pts_delay increased to 300 ms)
[00007f11a40009d8] core input error: ES_OUT_RESET_PCR called

And the system hang. The driver tried to reset itself, but let the system in an
unusable state (but it was enough to log stuff).

This time I caught that stuff on syslog:

Dec 10 03:30:17 gollum /usr/lib/gdm/gdm-x-session[3819]: (EE) Backtrace:
Dec 10 03:30:17 gollum /usr/lib/gdm/gdm-x-session[3819]: (EE) 0: /usr/bin/X
(xorg_backtrace+0x4e) [0x55f48bc7a68e]
Dec 10 03:30:17 gollum /usr/lib/gdm/gdm-x-session[3819]: (EE) 1: /usr/bin/X
(QueuePointerEvents+0x52) [0x55f48bb36152]
Dec 10 03:30:17 gollum /usr/lib/gdm/gdm-x-session[3819]: (EE) 2:
/usr/lib/xorg/modules/input/evdev_drv.so (0x7fc39ebf4000+0x60a7)
[0x7fc39ebfa0a7]
Dec 10 03:30:17 gollum /usr/lib/gdm/gdm-x-session[3819]: (EE) 3:
/usr/lib/xorg/modules/input/evdev_drv.so (0x7fc39ebf4000+0x687d)
[0x7fc39ebfa87d]
Dec 10 03:30:17 gollum /usr/lib/gdm/gdm-x-session[3819]: (EE) 4: /usr/bin/X
(0x55f48bac6000+0x96ac8) [0x55f48bb5cac8]
Dec 10 03:30:17 gollum /usr/lib/gdm/gdm-x-session[3819]: (EE) 5: /usr/bin/X
(0x55f48bac6000+0xbfc92) [0x55f48bb85c92]
Dec 10 03:30:17 gollum /usr/lib/gdm/gdm-x-session[3819]: (EE) 6:
/lib/x86_64-linux-gnu/libc.so.6 (0x7fc3a950c000+0x352f0) [0x7fc3a95412f0]
Dec 10 03:30:17 gollum /usr/lib/gdm/gdm-x-session[3819]: (EE) 7:
/lib/x86_64-linux-gnu/libpthread.so.0 (pthread_cond_wait+0xc0) [0x7fc3a90f0da0]
Dec 10 03:30:17 gollum /usr/lib/gdm/gdm-x-session[3819]: (EE) 8:
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so (0x7fc3a302c000+0x738e4b)
[0x7fc3a3764e4b]
Dec 10 03:30:17 gollum /usr/lib/gdm/gdm-x-session[3819]: (EE) 9:
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so (0x7fc3a302c000+0x739e8e)
[0x7fc3a3765e8e]
Dec 10 03:30:17 gollum /usr/lib/gdm/gdm-x-session[3819]: (EE) 10:
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so (0x7fc3a302c000+0x69b2b7)
[0x7fc3a36c72b7]
Dec 10 03:30:17 gollum /usr/lib/gdm/gdm-x-session[3819]: (EE) 11:
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so (0x7fc3a302c000+0x75693f)
[0x7fc3a378293f]
Dec 10 03:30:17 gollum /usr/lib/gdm/gdm-x-session[3819]: (EE) 12:
/usr/lib/x86_64-linux-gnu/dri/radeonsi_dri.so (0x7fc3a302c000+0x20861c)
[0x7fc3a323461c]
Dec 10 03:30:17 gollum /usr/lib/gdm/gdm-x-session[3819]: (EE) 13:
/usr/lib/xorg/modules/libglamoregl.so (glamor_block_handler+0x4b)
[0x7fc3a48f484b]
Dec 10 03:30:17 gollum /usr/lib/gdm/gdm-x-session[3819]: (EE) 14:
/usr/lib/xorg/modules/drivers/radeon_drv.so (0x7fc3a5794000+0x46bf2)
[0x7fc3a57dabf2]
Dec 10 03:30:17 gollum /usr/lib/gdm/gdm-x-session[3819]: (EE) 15: /usr/bin/X
(_CallCallbacks+0x34) [0x55f48bb23654]
Dec 10 03:30:17 gollum /usr/lib/gdm/gdm-x-session[3819]: (EE) 16: /usr/bin/X
(WriteToClient+0x244) [0x55f48bc7e2d4]
Dec 10 03:30:17 gollum /usr/lib/gdm/gdm-x-session[3819]: (EE) 17: /usr/bin/X
(0x55f48bac6000+0x188758) [0x55f48bc4e758]
Dec 10 03:30:17 gollum /usr/lib/gdm/gdm-x-session[3819]: (EE) 18: /usr/bin/X
(0x55f48bac6000+0x5818f) [0x55f48bb1e18f]
Dec 10 03:30:17 gollum /usr/lib/gdm/gdm-x-session[3819]: (EE) 19: /usr/bin/X
(0x55f48bac6000+0x5c34b) [0x55f48bb2234b]
Dec 10 03:30:17 gollum /usr/lib/gdm/gdm-x-session[3819]: (EE) 20:
/lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf0) [0x7fc3a952ca40]
Dec 10 03:30:17 gollum /usr/lib/gdm/gdm-x-session[3819]: (EE) 21: /usr/bin/X
(_start+0x29) [0x55f48bb0c6c9]

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