[Bug 106033] [CI] igt at .* - dmesg-warn - flip_done timed out

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=106033

--- Comment #3 from Ville Syrjala <ville.syrjala at linux.intel.com> ---
(In reply to Martin Peres from comment #2)
> Now also seen on BLB:

<5>[  224.968674] i915 0000:00:02.0: Resetting chip for Manually set wedged
engine mask = ffffffffffffffff
<7>[  224.971891] [drm:intel_gpu_reset [i915]] rcs0: timed out on STOP_RING
...
<7>[  229.207101] [drm:intel_gpu_reset [i915]] rcs0: timed out on STOP_RING
<3>[  229.816053] i915 0000:00:02.0: Failed to reset chip
<7>[  229.816231] i915_gem_set_wedged rcs0

And I suppose the display engine is now semi-dead:
<7>[  231.345765] [drm:intel_enable_pipe [i915]] enabling pipe A
<7>[  231.377283] [drm:intel_gpu_reset [i915]] rcs0: timed out on STOP_RING
<3>[  241.632056] [drm:drm_atomic_helper_wait_for_flip_done] *ERROR*
[CRTC:32:pipe A] flip_done timed out
<3>[  241.632287] [drm:intel_check_cpu_fifo_underruns [i915]] *ERROR* pipe A
underrun

I think that one deserves its own bug. Pretty sure I've fixed the ctg/elk
flip_done issues now.

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