[Bug 90412] New: [i965]igt/gem_mmap_gtt/big-copy fails

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90412

            Bug ID: 90412
           Summary: [i965]igt/gem_mmap_gtt/big-copy fails
           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: huax.lu at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

==System Environment==
--------------------------
Regression: not sure, new case

Non-working platforms: all

==kernel==
--------------------------
drm-intel-nightly/7dcedb8e7bbf49f1342df21851d9b36786ff67ce
commit 7dcedb8e7bbf49f1342df21851d9b36786ff67ce
Author: Daniel Vetter <daniel.vetter at ffwll.ch>
Date:   Mon May 11 18:51:58 2015 +0200

    drm-intel-nightly: 2015y-05m-11d-16h-51m-26s UTC integration manifest

==Bug detailed description==
-----------------------------
New case gem_mmap some subcases fail on drm-intel-nightly, drm-intel-fixes and
drm-intel-next-queued kernel.

output:
IGT-Version: 1.10-g9b0a32d (x86_64) (Linux:
4.1.0-rc3_drm-intel-nightly_7dcedb_20150512+ x86_64)
Test assertion failure function test_huge_copy, file gem_mmap_gtt.c:404:
Failed assertion: memcmp(pattern_a, a + PAGE_SIZE*i, PAGE_SIZE) == 0
Stack trace:
  #0 [__igt_fail_assert+0xf1]
  #1 [test_huge_copy+0x48b]
  #2 [__real_main520+0xa44]
  #3 [main+0x21]
  #4 [__libc_start_main+0xf5]
  #5 [_start+0x29]
  #6 [<unknown>+0x29]
Subtest big-copy failed.
**** DEBUG ****
Checking 2 surfaces of size 268439552 bytes (total 536883200) against RAM
Test requirement passed: !(total <= required)
Test requirement passed: !igt_run_in_simulation()
Test requirement passed: a
Test requirement passed: b
Test assertion failure function test_huge_copy, file gem_mmap_gtt.c:404:
Failed assertion: memcmp(pattern_a, a + PAGE_SIZE*i, PAGE_SIZE) == 0
****  END  ****
Subtest big-copy: FAIL (1.859s)

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