[Bug 104002] New: [IGT] gem_mmap_gtt at coherency fails with assertion: cpu[x] == i

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=104002

            Bug ID: 104002
           Summary: [IGT] gem_mmap_gtt at coherency fails with assertion:
                    cpu[x] == i
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: armando.antoniox.mora.reos at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 135840
  --> https://bugs.freedesktop.org/attachment.cgi?id=135840&action=edit
test output

The following test case is failing on CNL with latest configuration.

Test Case:
igt at gem_mmap_gtt@coherency

Assertion:
(gem_mmap_gtt:1557) CRITICAL: Failed assertion: cpu[x] == i
(gem_mmap_gtt:1557) CRITICAL: error: 0 != 4608
Subtest coherency failed.

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