[Bug 83790] New: [BYT/BSW]igt/gem_userptr_blits/process-exit-gtt and process-exit-gtt-busy fail

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=83790

          Priority: medium
            Bug ID: 83790
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [BYT/BSW]igt/gem_userptr_blits/process-exit-gtt and
                    process-exit-gtt-busy fail
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: jinxianx.guo at intel.com
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Created attachment 106167
  --> https://bugs.freedesktop.org/attachment.cgi?id=106167&action=edit
dmesg

==System Environment==
--------------------------
Regression: No.
They are new cases

Non-working platforms: BYT BSW

==kernel==
--------------------------
origin/drm-intel-nightly: 907d7b0519abe7b8eac453089decfe0fc5049171(fails)
    drm-intel-nightly: 2014y-09m-11d-17h-29m-25s integration manifest
origin/drm-intel-next-queued:d04d1a15d828d5c89c45886db5ae01eed83349cc(fails)
    drm/i915: Extend BIOS stolen mem handling to all platform
origin/drm-intel-fixes: 7a98948f3b536ca9a077e84966ddc0e9f53726df(fails)
    drm/i915: Wait for vblank before enabling the TV encoder

==Bug detailed description==
-----------------------------
igt/gem_userptr_blits/process-exit-gtt and process-exit-gtt-busy fail


Output:
root at x-bytm02:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests#
./gem_userptr_blits --run-subtest process-exit-gtt-busy
IGT-Version: 1.8-g107151c (x86_64) (Linux:
3.17.0-rc4_drm-intel-nightly_907d7b_20140912+ x86_64)
Aperture size is 2048 MiB
Total RAM is 3837 MiB
Testing unsynchronized mappings...
Testing synchronized mappings...
child 0 died with signal 7, Bus error
Subtest process-exit-gtt-busy: FAIL (0.892s)
root at x-bytm02:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# echo $?
135


==Reproduce steps==
---------------------------- 
1. ./gem_userptr_blits --run-subtest process-exit-gtt-busy

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