[Bug 83338] New: [BDW]igt/gem_workarounds some subcases fail

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=83338

          Priority: medium
            Bug ID: 83338
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [BDW]igt/gem_workarounds some subcases 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 105537
  --> https://bugs.freedesktop.org/attachment.cgi?id=105537&action=edit
dmesg

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

Non-working platforms: BDW

==kernel==
--------------------------
origin/drm-intel-nightly: 6e9c5b9d428bb075293ec865ba58f90931187a48(fails)
    drm-intel-nightly: 2014y-08m-29d-21h-34m-26s integration manifest
origin/drm-intel-next-queued: c101c5b635bee54e43d0732473d2f80b2a0e00f4(fails)
    drm/i915: make fbdev initialization asynchronous v2
origin/drm-intel-fixes: bbe1c2740d3a25aa1dbe5d842d2ff09cddcdde0a(fails)
    drm/i915: Remove bogus __init annotation from DMI callbacks

==Bug detailed description==
igt/gem_workarounds subcases check-workaround-data-after-reset and
check-workaround-data-after-suspend-resume fail

Output:
root at x-bdw05:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests# ./gem_workarounds
--run-subtest check-workaround-data-after-reset
IGT-Version: 1.7-gd6af004 (x86_64) (Linux:
3.17.0-rc2_drm-intel-nightly_6e9c5b_20140901+ x86_64)
gpu hang not yet cleared, retries left 29
gpu hang not yet cleared, retries left 28
gpu hang not yet cleared, retries left 27
gpu hang not yet cleared, retries left 26
gpu hang not yet cleared, retries left 25
gpu hang not yet cleared, retries left 24
Address before          after           w/a mask        result
0xE4F0  0xFFFF0120      0xFFFF0000      0x00000120      fail
0xE4F4  0xFFFF0001      0xFFFF0000      0x00000001      fail
0xE184  0x00000102      0x00000000      0x00000102      fail
0xE100  0x00008440      0x00008040      0x00000400      fail
0x7014  0x00000001      0x00000000      0x00000001      fail
0x7300  0x00000010      0x00000000      0x00000010      fail
0x7004  0x000001C0      0x00000180      0x00000040      fail
0x7008  0x00000200      0x00000000      0x00000200      fail
Test assertion failure function check_workarounds, file gem_workarounds.c:168:
Failed assertion: fail_count == 0
Subtest check-workaround-data-after-reset: FAIL

==Reproduce steps==
---------------------------- 
1. ./gem_workarounds --run-subtest check-workaround-data-after-reset

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