[Bug 95488] [IGT] gem_exec_flush / uc before fails (speculative fetching)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=95488

--- Comment #32 from Hector Velazquez <hector.franciscox.velazquez.suriano at intel.com> ---
This test continue failing on GLK QA 

Tests List:

igt at gem_exec_flush@uc-ro-before-vebox

IGT-Version: 1.21-g94bd67c (x86_64) (Linux: 4.15.0-drm-tip-ww6-commit-078873d+
x86_64)

======================================
        output sample
======================================
. . .
(gem_exec_flush:1589) ioctl-wrappers-DEBUG: Test requirement passed:
gem_has_ring(fd, ring)
(gem_exec_flush:1589) DEBUG: Test requirement passed: gem_can_store_dword(fd,
ring)
(gem_exec_flush:1589) ioctl-wrappers-DEBUG: Test requirement passed:
gem_has_ring(fd, ring)
(gem_exec_flush:1589) DEBUG: Test requirement passed: gem_can_store_dword(fd,
ring)
(gem_exec_flush:1589) igt-core-DEBUG: Starting subtest: uc-ro-before-vebox
(gem_exec_flush:1594) ioctl-wrappers-DEBUG: Test requirement passed:
__gem_set_caching(fd, handle, caching) == 0
(gem_exec_flush:1594) DEBUG: Test requirement passed: __gem_execbuf(fd,
&execbuf) == 0
(gem_exec_flush:1594) CRITICAL: Test assertion failure function run, file
gem_exec_flush.c:321:
(gem_exec_flush:1594) CRITICAL: Failed assertion: map[i] == i ^ 0xffffffff
(gem_exec_flush:1594) CRITICAL: error: 0x3d1 != 0xfffffc2e
Stack trace:
  #0 [__igt_fail_assert+0x101]
  #1 [run+0x8f3]
  #2 [_fini+0x169]
Subtest uc-ro-before-vebox failed.
. . .

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