[Bug 101288] [skl] GPU HANG: ecode 9:0:0x85dffffb, in Xorg [836], reason: Hang on render ring, action: reset

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=101288

--- Comment #12 from Bjørn Mork <bjorn at mork.no> ---
Created attachment 138770
  --> https://bugs.freedesktop.org/attachment.cgi?id=138770&action=edit
/sys/class/drm/card0/error with Linux v4.16 and i915/skl_dmc_ver1_27.bin
firmware

OK, so I just had another hang.  This time with the i915/skl_dmc_ver1_27.bin
firmware.  The reset behaviour was a lot nicer than before, though.  It
actually worked without killing the X server.

The new /sys/class/drm/card0/error is attached. Relevant log messages:

[drm] GPU HANG: ecode 9:0:0x84dfbffc, in Xorg [1152], reason: Hang on rcs0,
action: reset
[drm] GPU hangs can indicate a bug anywhere in the entire gfx stack, including
userspace.
[drm] Please file a _new_ bug report on bugs.freedesktop.org against DRI ->
DRM/Intel
[drm] drm/i915 developers can then reassign to the right component if it's not
a kernel issue.
[drm] The gpu crash dump is required to analyze gpu hangs, so please always
attach it.
[drm] GPU crash dump saved to /sys/class/drm/card0/error
i915 0000:00:02.0: Resetting rcs0 after gpu hang

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