[Bug 111812] i915 0000:00:02.0: GPU HANG: ecode 9:0:0x00000000, hang on rcs0

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111812

--- Comment #17 from Kenneth C <kenny at panix.com> ---
Created attachment 145638
  --> https://bugs.freedesktop.org/attachment.cgi?id=145638&action=edit
/sys/class/drm/card0/error

This was encouraging; I'm running the latest drm-tip and this time, it managed
to recover:

----
Oct  4 00:32:54 hp-x360n kernel: [10308.045206] i915 0000:00:02.0: GPU HANG:
ecode 9:1:0x00000000, hang on rcs0
Oct  4 00:32:54 hp-x360n kernel: [10308.045210] GPU hangs can indicate a bug
anywhere in the entire gfx stack, including userspace.
Oct  4 00:32:54 hp-x360n kernel: [10308.045212] Please file a _new_ bug report
on bugs.freedesktop.org against DRI -> DRM/Intel
Oct  4 00:32:54 hp-x360n kernel: [10308.045213] drm/i915 developers can then
reassign to the right component if it's not a kernel issue.
Oct  4 00:32:54 hp-x360n kernel: [10308.045214] The GPU crash dump is required
to analyze GPU hangs, so please always attach it.
Oct  4 00:32:54 hp-x360n kernel: [10308.045216] GPU crash dump saved to
/sys/class/drm/card0/error
Oct  4 00:32:54 hp-x360n kernel: [10308.046223] i915 0000:00:02.0: Resetting
rcs0 for hang on rcs0
Oct  4 00:32:54 hp-x360n kernel: [10308.046988] [drm:gen8_reset_engines [i915]]
*ERROR* rcs0 reset request timed out: {request: 00000001, RESET_CTL: 00000001}
Oct  4 00:32:54 hp-x360n kernel: [10308.047094] i915 0000:00:02.0: Resetting
chip for hang on rcs0
Oct  4 00:32:54 hp-x360n kernel: [10308.048105] [drm] GuC communication stopped
Oct  4 00:32:54 hp-x360n kernel: [10308.048847] [drm:gen8_reset_engines [i915]]
*ERROR* rcs0 reset request timed out: {request: 00000001, RESET_CTL: 00000001}
Oct  4 00:32:54 hp-x360n kernel: [10308.049582] [drm:gen8_reset_engines [i915]]
*ERROR* rcs0 reset request timed out: {request: 00000001, RESET_CTL: 00000001}
Oct  4 00:32:54 hp-x360n kernel: [10308.051162] [drm] GuC communication enabled
Oct  4 00:32:54 hp-x360n kernel: [10308.051208] i915 0000:00:02.0: GuC firmware
i915/kbl_guc_33.0.0.bin version 33.0 submission:disabled
Oct  4 00:32:54 hp-x360n kernel: [10308.051212] i915 0000:00:02.0: HuC firmware
i915/kbl_huc_4.0.0.bin version 4.0 authenticated:yes
Oct  4 00:33:02 hp-x360n kernel: [10316.044654] i915 0000:00:02.0: Resetting
rcs0 for hang on rcs0
Oct  4 00:33:10 hp-x360n kernel: [10324.044128] i915 0000:00:02.0: Resetting
rcs0 for hang on rcs0
----

Error report is attached.

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