[Bug 90412] [KBL BXT HSW BSW SKL IVB SNB]igt/gem_mmap_gtt/big-copy fails

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90412

--- Comment #23 from maria guadalupe <maria.g.perez.ibarra at intel.com> ---
this test keeps fail on HSW with the latest configuration : 

Software configuration
=======================
Linux distribution: Ubuntu 15.10 64 bits
Kernel: drm-intel-nightly 4.6.0-rc3_d9131d6 from
http://cgit.freedesktop.org/drm-intel/
commit d9131d62d18ba94fb3ca019f1156c22b5f4ce23c
Author: Tvrtko Ursulin <tvrtko.ursulin at intel.com>
Date:   Fri Apr 15 14:54:26 2016 +0100
drm-intel-nightly: 2016y-04m-15d-13h-53m-44s UTC integration manifestdrm: tag
libdrm-2.4.66-33-gf884af9
      libdrm 2.4.67-25 cc9a53f from git://git.freedesktop.org/git/mesa/drm
mesa 11.1.2 7bcd827 from git://git.freedesktop.org/git/mesa/mesa
cairo 1.15.2 db8a7f1 from git://git.freedesktop.org/git/cairo
xorg/xserver 1.18.0-274 8437955 from git://git.freedesktop.org/git/xorg/xserver
xf86-video-intel 2.99.917-634 81029be from
git://git.freedesktop.org/git/xorg/driver/xf86-video-intel
vaapi/libva 1.7.0-1 2339d10 from git://git.freedesktop.org/git/vaapi/libva
vaapi/intel-driver 1.7.0-8 2c1bec0 from
git://git.freedesktop.org/git/vaapi/intel-driver
intel-gpu-tool 1.14 7bd2ac6 from
http://anongit.freedesktop.org/git/xorg/app/intel-gpu-tools.git
rendercheck master 44032a7 from
http://anongit.freedesktop.org/git/xorg/app/rendercheck.git

test output
==============
**** DEBUG ****
(gem_mmap_gtt:2292) intel-os-DEBUG: Checking 2 surfaces of size 268,439,552
bytes (total 536,883,200) against RAM
(gem_mmap_gtt:2292) intel-os-DEBUG: Test requirement passed:
__intel_check_memory(count, size, mode, &required, &total)
(gem_mmap_gtt:2292) igt-core-DEBUG: Test requirement passed:
!igt_run_in_simulation()
(gem_mmap_gtt:2292) DEBUG: Test requirement passed: a
(gem_mmap_gtt:2292) DEBUG: Test requirement passed: b
(gem_mmap_gtt:2292) CRITICAL: Test assertion failure function test_huge_copy,
file gem_mmap_gtt.c:447:
(gem_mmap_gtt:2292) CRITICAL: Failed assertion: memcmp(pattern_a, a +
PAGE_SIZE*i, PAGE_SIZE) == 0
****  END  ****
Subtest big-copy: FAIL (2.184s)

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