[Bug 103185] New: Intel GPU hang

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103185

            Bug ID: 103185
           Summary: Intel GPU hang
           Product: DRI
           Version: XOrg git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: hasu0bs at web.de
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Sorry if this has been reported before, I have no clue how to check if this is
a duplicate :P

Here it goes: I have been experiencing a complete freeze of the application
when using kodi to watch SD content when VAAPI is enabled. The operating system
is Libreelec. Here are the corresponding bug reports:

Kodi: https://trac.kodi.tv/ticket/17138
Invalid, because its a Libreelec issue?

Libreelec:
https://forum.libreelec.tv/thread/5349-libreelec-8-9-kernel-regression-vaapi/
Invalid because its a kernel/intel driver issue?

Here is all the info requested:
LibreELEC:~ # uname -m
x86_64
LibreELEC:~ # uname -r
4.13.4
LibreELEC:~ # xrandr --verbose | paste
http://sprunge.us/effM
LibreELEC:~ # dmesg | paste
http://sprunge.us/eYSc
LibreELEC:~ # cat /sys/class/drm/card0/error | gzip > error.gz
LibreELEC:~ # echo 1 > /sys/devices/pci0000:00/0000:00:02.0/rom
LibreELEC:~ # cat /sys/devices/pci0000:00/0000:00:02.0/rom > vbios.dump
LibreELEC:~ # echo 0 > /sys/devices/pci0000:00/0000:00:02.0/rom

Here are the two compressed files:
https://www.dropbox.com/s/tmfqnl609olgq9l/error.gz?dl=1
https://www.dropbox.com/s/tgjasvmom9w685v/vbios.dump?dl=1

Unfortunately, the 2M log buffer wasn't enough to capture everything after
restarting the video file ~20 times. If neccessary I can try again with even
more buffer size.

Additional Kodi log, if it helps anyone: http://sprunge.us/RfDH

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