[Bug 85084] [BYT Regression]igt/gem_userptr_blits subcases cause "WARNING: CPU: 0 PID: 4681 at drivers/gpu/drm/i915/i915_gem_userptr.c:86 cancel_userptr+0xb6/0xf8 [i915]()"

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=85084

Guo Jinxian <jinxianx.guo at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|bisect_pending              |
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED

--- Comment #2 from Guo Jinxian <jinxianx.guo at intel.com> ---
(In reply to Chris Wilson from comment #1)
> Would you believe this is fixed by my s/seqno/requests/? It is!
> 
> The failure here is that we fail to unbind because of the GPU reset.

Test passes on latest -nightly(0642a51748ff46a205cf2a3fc45ba18cc92c9bda)


root at x-bytm02:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests#
./gem_userptr_blits --run-subtest
forked-sync-swapping-multifd-mempressure-interruptible
IGT-Version: 1.8-ga973aab (x86_64) (Linux:
3.18.0-rc3_drm-intel-nightly_0642a5_20141106+ x86_64)
Aperture size is 2048 MiB
Total RAM is 3837 MiB
Testing unsynchronized mappings...
Testing synchronized mappings...
Subtest forked-sync-swapping-multifd-mempressure-interruptible: SUCCESS
(44.070s)
root at x-bytm02:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# dmesg -r|egrep
"<[1-4]>"|grep drm                                     
root at x-bytm02:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests#

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