[Bug 100245] GPU HANG: ecode 6:-1:0x00000000, reason: Kicking stuck semaphore on render ring, action: continue

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=100245

--- Comment #4 from Aaron Lu <aaron.lu at intel.com> ---
This problem reappeared on 4.13.5-200.fc26.x86_64

[774249.632109] [drm] GPU HANG: ecode 6:0:0x85fffff8, in Xorg [696], reason:
Hang on rcs0, action: reset                                      
[774249.632110] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.                                     
[774249.632111] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel                                         
[774249.632111] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.                                
[774249.632111] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.                                        
[774249.632112] [drm] GPU crash dump saved to /sys/class/drm/card0/error        
[774249.632172] drm/i915: Resetting chip after gpu hang

It recovered without killing my desktop session, please let me know if you need
the error file.

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