[Bug 106342] [drm] HANG: ecode 9:0:0x9cba0f27, in kscreenlocker_g [103585], reason: Hang on rcs0, action: reset

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=106342

--- Comment #16 from Thiago Macieira <thiago at kde.org> ---
Created attachment 139619
  --> https://bugs.freedesktop.org/attachment.cgi?id=139619&action=edit
card0_error 2018-05-17

dmesg: 

[89982.954152] [drm] GPU HANG: ecode 9:0:0x8adfb5fe, in krunner [2949], reason:
Hang on rcs0, action: reset
[89982.954155] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[89982.954156] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[89982.954156] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[89982.954157] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[89982.954157] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[89982.954178] i915 0000:00:02.0: Resetting rcs0 after gpu hang
[89984.169411] [drm:gen8_reset_engines [i915]] *ERROR* rcs0: reset request
timeout
[89984.169486] i915 0000:00:02.0: Resetting chip after gpu hang
[89985.386115] [drm:gen8_reset_engines [i915]] *ERROR* rcs0: reset request
timeout
[89986.148508] asynchronous wait on fence i915:X[2695]/0:171977 timed out
[89986.708558] [drm:gen8_reset_engines [i915]] *ERROR* rcs0: reset request
timeout
[89988.032543] [drm:gen8_reset_engines [i915]] *ERROR* rcs0: reset request
timeout
[89988.140506] i915 0000:00:02.0: Failed to reset chip

The only difference this time is that it did not happen immediately after
resuming from hibernation, but after about a minute. I managed to log in and
see my desktop. It wasn't until I tried to use krunner that the hang was
reported.

I'm going to go now one week without using the USB-C dock. Let's see if the
hang happens without that.

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