[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 #37 from Elizabeth <elizabethx.de.la.torre.mena at intel.com> ---
This tests keep failing on BSW:

igt at gem_exec_flush@uc-ro-before-blt
igt at gem_exec_flush@uc-ro-before-render
igt at gem_exec_flush@uc-rw-before-render

Sample Out:     
IGT-Version: 1.22-g2e92134 (x86_64) (Linux:
4.16.0-rc5-drm-intel-qa-ww11-commit-e867298+ x86_64)
Has LLC? no
CPU features: x86-64, sse2, sse3, ssse3, sse4.1, sse4.2
Stack trace:
  #0 [__igt_fail_assert+0x101]
  #1 [run+0x91d]
  #2 [_fini+0x166]
child 0 failed with exit status 99
Subtest uc-ro-before-render: FAIL (2.020s)
Test requirement not met in function gem_require_ring, file
ioctl_wrappers.c:1486:
Test requirement: gem_has_ring(fd, ring)
Test requirement not met in function gem_require_ring, file
ioctl_wrappers.c:1486:
Test requirement: gem_has_ring(fd, ring)
Err     
(gem_exec_flush:6349) CRITICAL: Test assertion failure function run, file
gem_exec_flush.c:323:
(gem_exec_flush:6349) CRITICAL: Failed assertion: map[i] == i
(gem_exec_flush:6349) CRITICAL: error: 0xfffffcb5 != 0x34a
Subtest uc-ro-before-render failed.
No log.

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