[Bug 92471] [HSW BDW BYT] gem_mmap_gtt -sub-tests big-copy-XY / big-bo-tiledX / big-bo-tiledY crash

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=92471

--- Comment #4 from Humberto Israel Perez Rodriguez <humberto.i.perez.rodriguez at intel.com> ---
The following tests cases also fail on BYT-M with the next configuration :


Ubuntu 14.04.03 x64 LTS
xorg-server : 1.17.2
libdrm : 2.4.65
xf86-video-intel : 2.99.917
mesa : 11.0.4
libva : 1.6.1
intel: driver 1.6.1
cairo : 1.14.2
intel-gpu-tools : 1.12 (commit a2c6786)

Kernel: drm-intel-nightly: 2015y-10m-23d-09h-56m-09s
commit 87074657f22e38163e712ca417e1a398d00096b6
Author: Daniel Vetter <daniel.vetter at ffwll.ch>
Date:   Fri Oct 23 11:56:52 2015 +0200


<%gem_mmap_gtt at huge-bo-tiledx%>
<%gem_mmap_gtt at huge-bo-tiledy%>
<%gem_mmap_gtt at big-copy-xy%>
<%gem_mmap_gtt at big-bo-tiledx%>
<%gem_mmap_gtt at big-bo-tiledy%>



The following test only fail, please see the command output :

Test : <%gem_mmap_gtt at big-copy%>


 ./gem_mmap_gtt --run-subtest big-copy
IGT-Version: 1.12-ga2c6786 (x86_64) (Linux: 4.3.0-rc6-mainline+ x86_64)
Test assertion failure function test_huge_copy, file gem_mmap_gtt.c:395:
Failed assertion: memcmp(pattern_a, a + PAGE_SIZE*i, PAGE_SIZE) == 0
Stack trace:
  #0 [__igt_fail_assert+0xf1]
  #1 [test_huge_copy+0x49b]
  #2 [__real_main509+0xa44]
  #3 [main+0x29]
  #4 [__libc_start_main+0xf5]
  #5 [_start+0x29]
  #6 [<unknown>+0x29]
Subtest big-copy failed.
**** DEBUG ****
Checking 2 surfaces of size 268,439,552 bytes (total 536,883,200) against RAM
Test requirement passed: !(total <= required)
Test requirement passed: !igt_run_in_simulation()
Test requirement passed: a
Test requirement passed: b
Test assertion failure function test_huge_copy, file gem_mmap_gtt.c:395:
Failed assertion: memcmp(pattern_a, a + PAGE_SIZE*i, PAGE_SIZE) == 0
****  END  ****
Subtest big-copy: FAIL (5.988s)

real    0m6.515s
user    0m5.219s
sys     0m0.855s

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