[Bug 90530] New: [BYT] Igt/gem_linear_blits subtest normal fail

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90530

            Bug ID: 90530
           Summary: [BYT] Igt/gem_linear_blits subtest normal fail
           Product: DRI
           Version: unspecified
          Hardware: All
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: yex.tian at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 115910
  --> https://bugs.freedesktop.org/attachment.cgi?id=115910&action=edit
dmesg info

System Environment:       
-----------------------------------------------------
Regression:  not sure, new case
Non-working platforms: BYT

==Kernel==
--------------------------------------------------
commit 056608cba30c118dcd3dff3cd0a4cacbdfd9ecdb
Author: Daniel Vetter <daniel.vetter at ffwll.ch>
Date:   Mon May 18 17:19:30 2015 +0200

    drm-intel-nightly: 2015y-05m-18d-15h-18m-36s UTC integration manifest

==description==
Igt/gem_linear_blits subtest normal fail on BYT.

==Output==
root at x-byt06:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests#
./gem_linear_blits --run-subtest normal
IGT-Version: 1.10-g3d1f9a2 (x86_64) (Linux:
4.1.0-rc3_drm-intel-nightly_056608_20150519+ x86_64)
Verifying initialisation...
Test assertion failure function check_bo, file gem_linear_blits.c:187:
Failed assertion: linear[i] == val
Expected 0x0c5bffab, found 0x0c5b91ab at offset 0x000ffeac
Stack trace:
  #0 [__igt_fail_assert+0xf1]
  #1 [check_bo+0x74]
  #2 [run_test+0xf3]
  #3 [main+0xfd]
  #4 [__libc_start_main+0xf5]
  #5 [_start+0x29]
  #6 [<unknown>+0x29]
Subtest normal failed.
**** DEBUG ****
Test requirement passed: count > 1
Checking 3072 surfaces of size 1048576 bytes (total 3222798336) against RAM
Test requirement passed: !(total <= required)
Test requirement passed: !igt_run_in_simulation()
Using 3072 1MiB buffers
Verifying initialisation...
Test assertion failure function check_bo, file gem_linear_blits.c:187:
Failed assertion: linear[i] == val
Expected 0x0c5bffab, found 0x0c5b91ab at offset 0x000ffeac
****  END  ****
Subtest normal: FAIL (5.241s)


Reproduce steps:
----------------------------

1, ./gem_linear_blits --run-subtest normal

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