[Bug 96753] New: [IGT] [BXT-P] gem_mmap_gtt / huge-copy fail

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=96753

            Bug ID: 96753
           Summary: [IGT] [BXT-P] gem_mmap_gtt / huge-copy fail
           Product: DRI
           Version: XOrg git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: humberto.i.perez.rodriguez at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 124807
  --> https://bugs.freedesktop.org/attachment.cgi?id=124807&action=edit
dmesg.log

Bug description
======================
gem_mmap_gtt / huge-copy fail

Kernel used
======================
commit 8a6521c80881208ba106696e67d143ab64bb34c2
Author: Chris Wilson <chris at chris-wilson.co.uk>
Date:   Wed Jun 29 17:08:50 2016 +0100

    drm-intel-nightly: 2016y-06m-29d-16h-08m-16s UTC integration manifest


Test output
======================
IGT-Version: 1.15-g88c1f7c (x86_64) (Linux:
4.7.0-rc5-drm-intel-nightly-ww27-commit-8a6521c+ x86_64)
(gem_mmap_gtt:1517) drmtest-DEBUG: Test requirement passed: fd >= 0
(gem_mmap_gtt:1517) igt-core-DEBUG: Starting subtest: huge-copy
(gem_mmap_gtt:1517) intel-os-DEBUG: Checking 2 surfaces of size 4294971392
bytes (total 8589946880) against RAM
(gem_mmap_gtt:1517) intel-os-DEBUG: Test requirement passed:
__intel_check_memory(count, size, mode, &required, &total)
(gem_mmap_gtt:1517) igt-core-DEBUG: Test requirement passed:
!igt_run_in_simulation()
(gem_mmap_gtt:1517) DEBUG: Test requirement passed: a
Writing a 100%
(gem_mmap_gtt:1517) DEBUG: Test requirement passed: b
Writing b 100%
Copying a<->b 100%
(gem_mmap_gtt:1517) CRITICAL: Test assertion failure function test_huge_copy,
file gem_mmap_gtt.c:457:
(gem_mmap_gtt:1517) CRITICAL: Failed assertion: memcmp(pattern_a, a +
PAGE_SIZE*i, PAGE_SIZE) == 0
Stack trace:
  #0 [__igt_fail_assert+0x101]
  #1 [test_huge_copy+0x403]
  #2 [__real_main573+0xd31]
  #3 [main+0x23]
  #4 [__libc_start_main+0xf0]
  #5 [_start+0x29]
  #6 [<unknown>+0x29]
Subtest huge-copy failed.
**** DEBUG ****
(gem_mmap_gtt:1517) intel-os-DEBUG: Checking 2 surfaces of size 4294971392
bytes (total 8589946880) against RAM
(gem_mmap_gtt:1517) intel-os-DEBUG: Test requirement passed:
__intel_check_memory(count, size, mode, &required, &total)
(gem_mmap_gtt:1517) igt-core-DEBUG: Test requirement passed:
!igt_run_in_simulation()
(gem_mmap_gtt:1517) DEBUG: Test requirement passed: a
(gem_mmap_gtt:1517) DEBUG: Test requirement passed: b
(gem_mmap_gtt:1517) CRITICAL: Test assertion failure function test_huge_copy,
file gem_mmap_gtt.c:457:
(gem_mmap_gtt:1517) CRITICAL: Failed assertion: memcmp(pattern_a, a +
PAGE_SIZE*i, PAGE_SIZE) == 0
****  END  ****
Subtest huge-copy: FAIL (166.114s)
(gem_mmap_gtt:1517) igt-core-DEBUG: Exiting with status code 99




Software information
============================================
Kernel version                  :
4.7.0-rc4-drm-intel-nightly-ww26-commit-5c244f4+
Linux distribution              : Ubuntu 16.04 LTS
Architecture                    : 64-bit

Hardware information
============================================
Platform                        : BXT-P
Motherboard model               : Broxton P
Motherboard type                : NOTEBOOK Hand Held
Motherboard manufacturer        : Intel Corp.
CPU family                      : B1
CPU information                 : 06/5c
GPU Card                        : Intel Corporation Device 5a84 (rev 0a)
(prog-if 00 [VGA controller])
Memory ram                      : 16 GB

Firmwares information
============================================
DMC fw loaded                   : yes
DMC version                     : 1.7
GUC fw loaded                   : SUCCESS
GUC version wanted              : 8.7
GUC version found               : 8.7


 --> Component : drm 
         url : http://cgit.freedesktop.org/mesa/drm 
         tag : libdrm-2.4.68-9-g625d181 
         commit : 625d181 
 --> Component : cairo 
         url : http://cgit.freedesktop.org/cairo 
         tag : 1.15.2 
         commit : db8a7f1 
 --> Component : intel-gpu-tools 
         url : http://cgit.freedesktop.org/xorg/app/intel-gpu-tools 
         tag : intel-gpu-tools-1.15-54-g88c1f7c 
         commit : 88c1f7c 



Attachments
======================
dmesg.log

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