[Bug 75237] New: [BDW]igt/gem_pwrite_pread/*-correctness cases fail

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=75237

          Priority: medium
            Bug ID: 75237
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [BDW]igt/gem_pwrite_pread/*-correctness cases fail
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: huax.lu at intel.com
          Hardware: All
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Created attachment 94400
  --> https://bugs.freedesktop.org/attachment.cgi?id=94400&action=edit
dmesg

System Environment:
--------------------------
Platform: Broadwell
Kernel(drm-intel-nightly)1be8f2b4dd6d3db00af24d4891c82d2650bd282d

Bug detailed description:
------------------------- 
New case gem_pwrite_pread fails on Broadwell with -nightly kernel.
Following cases fail:
igt/gem_pwrite_pread/display-copy-correctness
igt/gem_pwrite_pread/display-pwrite-blt-gtt_mmap-correctness
igt/gem_pwrite_pread/snooped-copy-correctness
igt/gem_pwrite_pread/snooped-pwrite-blt-cpu_mmap-correctness
igt/gem_pwrite_pread/uncached-copy-correctness
igt/gem_pwrite_pread/uncached-pwrite-blt-gtt_mmap-correctness

run ./gem_pwrite_pread --run-subtest display-copy-correctness
output:
IGT-Version: 1.5-g9597836 (x86_64) (Linux:
3.13.0_drm-intel-nightly_1be8f2_20140220+ x86_64)
Test assertion failure function test_copy, file gem_pwrite_pread.c:239:
Last errno: 2, No such file or directory
Failed assertion: buf[i] == i
Subtest display-copy-correctness: FAIL

Reproduce steps:
-------------------------
1.  ./gem_pwrite_pread --run-subtest display-copy-correctness

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