[Bug 73639] New: [PNV]igt/kms_flip/flip-vs-modeset-vs-hang fails with <3>[ 82.711938] [drm:i915_reset] *ERROR* Reset not implemented, but ignoring error for simulated gpu hangs

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=73639

          Priority: medium
            Bug ID: 73639
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [PNV]igt/kms_flip/flip-vs-modeset-vs-hang fails with
                    <3>[   82.711938] [drm:i915_reset] *ERROR* Reset not
                    implemented, but ignoring error for simulated gpu
                    hangs
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: huax.lu at intel.com
          Hardware: All
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Created attachment 92105
  --> https://bugs.freedesktop.org/attachment.cgi?id=92105&action=edit
dmesg

System Environment:
--------------------------
Platform: Pineview
Kernel: (drm-intel-fixes)09f2344d0896eb458a639b922224c7a202c11599

Bug detailed description:
-------------------------
It fails with <3>[   82.711938] [drm:i915_reset] *ERROR* Reset not implemented,
but ignoring error for simulated gpu hangs. It always fails on Pineview with
-fixes kernel. It doesn't happen on -nightly and -queued kernel.

no error state collected in /sys/class/drm/card0/error

Following cases also have this issue:
igt/kms_flip/flip-vs-modeset-vs-hang-interruptible    
igt/kms_flip/flip-vs-panning-vs-hang    
igt/kms_flip/flip-vs-panning-vs-hang-interruptible    

output:
IGT-Version: 1.5-g1552aa2 (i686) (Linux:
3.13.0-rc7_drm-intel-fixes_09f234_20140114+ i686)
Using monotonic timestamps
Beginning flip-vs-modeset-vs-hang on crtc 4, connector 5
  1024x600 60 1024 1048 1184 1438 600 603 604 628 0xa 0x48 54200
........
flip-vs-modeset-vs-hang on crtc 4, connector 5: PASSED

Subtest flip-vs-modeset-vs-hang: SUCCESS


Reproduce steps:
----------------
1. ./kms_flip --run-subtest flip-vs-modeset-vs-hang

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