[Bug 111805] Constant "Resetting rcs0 for hang on rcs0" and machine lockup

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111805

--- Comment #6 from Kenneth C <kenny at panix.com> ---
(In reply to Kenneth C from comment #5)

> ...  but usually the best way to get something to break is to declare it fixed", so here goes.

*ugh* ... never fails:
----
Sep 25 15:35:22 hp-x360n kernel: [12908.352199] i915 0000:00:02.0: GPU HANG:
ecode 9:1:0x00000000, hang on rcs0
Sep 25 15:35:22 hp-x360n kernel: [12908.352203] GPU hangs can indicate a bug
anywhere in the entire gfx stack, including
userspace.
Sep 25 15:35:22 hp-x360n kernel: [12908.352205] Please file a _new_ bug report
on bugs.freedesktop.org against DRI -> DRM
/Intel
Sep 25 15:35:22 hp-x360n kernel: [12908.352206] drm/i915 developers can then
reassign to the right component if it's not
a kernel issue.
Sep 25 15:35:22 hp-x360n kernel: [12908.352207] The GPU crash dump is required
to analyze GPU hangs, so please always att
ach it.
Sep 25 15:35:22 hp-x360n kernel: [12908.352209] GPU crash dump saved to
/sys/class/drm/card0/error
Sep 25 15:35:22 hp-x360n kernel: [12908.353216] i915 0000:00:02.0: Resetting
rcs0 for hang on rcs0
Sep 25 15:35:22 hp-x360n kernel: [12908.353969] [drm:gen8_reset_engines [i915]]
*ERROR* rcs0 reset request timed out: {re
quest: 00000001, RESET_CTL: 00000001}
Sep 25 15:35:22 hp-x360n kernel: [12908.354079] i915 0000:00:02.0: Resetting
chip for hang on rcs0
Sep 25 15:35:22 hp-x360n kernel: [12908.355089] [drm] GuC communication stopped
Sep 25 15:35:22 hp-x360n kernel: [12908.355831] [drm:gen8_reset_engines [i915]]
*ERROR* rcs0 reset request timed out: {re
quest: 00000001, RESET_CTL: 00000001}
Sep 25 15:35:22 hp-x360n kernel: [12908.356549] [drm:gen8_reset_engines [i915]]
*ERROR* rcs0 reset request timed out: {re
quest: 00000001, RESET_CTL: 00000001}
Sep 25 15:35:22 hp-x360n kernel: [12908.358073] [drm] GuC communication enabled
Sep 25 15:35:22 hp-x360n kernel: [12908.358112] i915 0000:00:02.0: GuC firmware
i915/kbl_guc_33.0.0.bin version 33.0 submission:disabled
Sep 25 15:35:22 hp-x360n kernel: [12908.358113] i915 0000:00:02.0: HuC firmware
i915/kbl_huc_4.0.0.bin version 4.0 authenticated:yes
...
Sep 25 15:37:06 hp-x360n kernel: [13012.350433] i915 0000:00:02.0: Resetting
rcs0 for hang on rcs0
Sep 25 15:37:14 hp-x360n kernel: [13020.350394] i915 0000:00:02.0: Resetting
rcs0 for hang on rcs0
Sep 25 15:37:16 hp-x360n kernel: [13022.334380] i915 0000:00:02.0: Resetting
rcs0 for hang on rcs0
Sep 25 15:37:18 hp-x360n kernel: [13024.318362] i915 0000:00:02.0: Resetting
rcs0 for hang on rcs0
Sep 25 15:37:20 hp-x360n kernel: [13026.302373] i915 0000:00:02.0: Resetting
rcs0 for hang on rcs0
Sep 25 15:37:22 hp-x360n kernel: [13028.350328] i915 0000:00:02.0: Resetting
rcs0 for hang on rcs0
Sep 25 15:37:24 hp-x360n kernel: [13030.334352] i915 0000:00:02.0: Resetting
rcs0 for hang on rcs0
Sep 25 15:37:26 hp-x360n kernel: [13032.318344] i915 0000:00:02.0: Resetting
rcs0 for hang on rcs0
Sep 25 15:37:28 hp-x360n kernel: [13034.302337] i915 0000:00:02.0: Resetting
rcs0 for hang on rcs0
Sep 25 15:37:30 hp-x360n kernel: [13036.350297] i915 0000:00:02.0: Resetting
rcs0 for hang on rcs0
Sep 25 15:37:32 hp-x360n kernel: [13038.334281] i915 0000:00:02.0: Resetting
rcs0 for hang on rcs0
----

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