[Bug 111978] New: GPU Hang and Failed to reset chip.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111978

            Bug ID: 111978
           Summary: GPU Hang and Failed to reset chip.
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: critical
          Priority: not set
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: oss.linuxpf at furuno.co.jp
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 145706
  --> https://bugs.freedesktop.org/attachment.cgi?id=145706&action=edit
/sys/class/drm/card0/error

[Environment]
CPU: SkyLake(core i5 6500TE)
Distribution: debian(customised)
Kernel: 4.19.57
Mesa: 18.3.6
libdrm: 2.4.89

[dmesg]
[10524.095632] [drm] GPU HANG: ecode 9:0:0x85dffffb, in xxxx [2606], reason:
hang on rcs0, action: reset
[10524.096671] i915 0000:00:02.0: Resetting rcs0 for hang on rcs0
[160603.626044] mod_lipc:lipc_write_lipc() destination is full, tid=3275,
comm=CcmTimer
[160608.822588] i915 0000:00:02.0: Resetting rcs0 for hang on rcs0, bcs0
[160608.825117] i915 0000:00:02.0: Resetting chip for hang on rcs0, bcs0
[160608.829851] [drm:gen8_reset_engines] *ERROR* bcs0: reset request timeout
[160608.940281] [drm:gen8_reset_engines] *ERROR* bcs0: reset request timeout
[160609.048277] [drm:gen8_reset_engines] *ERROR* bcs0: reset request timeout
[160609.153847] i915 0000:00:02.0: Failed to reset chip
[160609.158573] [drm:gen8_reset_engines] *ERROR* bcs0: reset request timeout
i965: Failed to submit batchbuffer: Input/output error

[description]
It occurred only once while about total 400days operation.(not continuous)
It seems GPU Hang occurred twice in this machine.
First was recovered by reset rcs.
But second cannot be recovered by reset chip.
I attached error file.
This has only first information.
I do not know whether second is related to first.

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