[Bug 103025] [GM45] loss of driver acceleration after some time (bisected)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103025

--- Comment #47 from Adric Blake <promarbler14 at gmail.com> ---
Created attachment 136235
  --> https://bugs.freedesktop.org/attachment.cgi?id=136235&action=edit
GPU hang error state

Tested the driver with the commit that caused the scrn assert error reverted.
Pitch/tiling bugs indeed remain, and I haven't managed to trigger the original
bug, but I got a (long) GPU hang. :(

[  468.733033] arch_pc kernel: [drm] GPU HANG: ecode 4:0:0xf2a7fff8, in Xorg
[430], reason: Hang on rcs0, action: reset
[  468.733037] arch_pc kernel: [drm] GPU hangs can indicate a bug anywhere in
the entire gfx stack, including userspace.
[  468.733039] arch_pc kernel: [drm] Please file a _new_ bug report on
bugs.freedesktop.org against DRI -> DRM/Intel
[  468.733040] arch_pc kernel: [drm] drm/i915 developers can then reassign to
the right component if it's not a kernel issue.
[  468.733041] arch_pc kernel: [drm] The gpu crash dump is required to analyze
gpu hangs, so please always attach it.
[  468.733043] arch_pc kernel: [drm] GPU crash dump saved to
/sys/class/drm/card0/error
[  468.733112] arch_pc kernel: i915 0000:00:02.0: Resetting chip after gpu hang
[  476.767139] arch_pc kernel: i915 0000:00:02.0: Resetting chip after gpu hang
[  484.703080] arch_pc kernel: i915 0000:00:02.0: Resetting chip after gpu hang
[  492.703084] arch_pc kernel: i915 0000:00:02.0: Resetting chip after gpu hang
[  500.767134] arch_pc kernel: i915 0000:00:02.0: Resetting chip after gpu hang

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