[Bug 68638] New: [HSW nv]igt/prime_nv_test/i915_import_cpu_mmap fails with debug kernel

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=68638

          Priority: medium
            Bug ID: 68638
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [HSW nv]igt/prime_nv_test/i915_import_cpu_mmap fails
                    with debug kernel
        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 84770
  --> https://bugs.freedesktop.org/attachment.cgi?id=84770&action=edit
dmesg

System Environment:
--------------------------
Platform:  Haswell
Kernel:    (drm-intel-nightly_debug)aaf0996cd776c5131d108f08a2e587ab0baaa6d4

Bug detailed description:
-----------------------------
It fails on haswell with NVIDIA card GT440.
igt/prime_nv_test/i915_import_pread_pwrite and
igt/prime_nv_pcopy/test_semaphore also fail.

output:
Test assertion failure function test_i915_import_cpu_mmap, file
prime_nv_test.c:215:
Failed assertion: drm_intel_bo_map(test_intel_bo, 0) == 0
Subtest i915_import_cpu_mmap: FAIL

Reproduce steps:
----------------------------
1. ./prime_nv_test --run-subtest i915_import_cpu_mmap

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