[Bug 79237] igt/gem_userptr_blits fails

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=79237

Guo Jinxian <jinxianx.guo at intel.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
         Resolution|DUPLICATE                   |---

--- Comment #5 from Guo Jinxian <jinxianx.guo at intel.com> ---
(In reply to comment #4)
> 
> *** This bug has been marked as a duplicate of bug 80208 ***

Bug 80208 had fixed, but this bug still able to reproduce on latest
-nightly(271bff129a641b5b35d99c9eb0ceb866ca42f692),so reopen it.

Output:
root at x-byt06:/GFX/Test/Intel_gpu_tools/intel-gpu-tools/tests#
./gem_userptr_blits
IGT-Version: 1.7-ge74dd22 (x86_64) (Linux:
3.16.0-rc4_drm-intel-nightly_271bff_20140714+ x86_64)
Aperture size is 2048 MiB
Total RAM is 1894 MiB
Subtest input-checking: SUCCESS
Subtest usage-restrictions: SUCCESS
Subtest invalid-mapping: SUCCESS
Test assertion failure function test_forked_access, file
gem_userptr_blits.c:583:
Failed assertion: memcmp(ptr1, ptr2, PAGE_SIZE) == 0
Subtest forked-access: FAIL
Subtest forbidden-operations: SUCCESS
Testing unsynchronized mappings...
Subtest create-destroy-unsync: SUCCESS
Subtest unsync-overlap: SUCCESS
Subtest unsync-unmap: SUCCESS
Subtest unsync-unmap-cycles: SUCCESS
Subtest unsync-unmap-after-close: SUCCESS
Using 2x1365 1MiB buffers
Verifying initialisation...
Cyclic blits cpu->gpu, forward...
Cyclic blits gpu->cpu, backward...
Random blits...
Subtest coherency-unsync: SUCCESS
Bus error

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