[Bug 94588] New: [KBL] igt/gem_reloc_overflow regression for single-overflow*

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=94588

            Bug ID: 94588
           Summary: [KBL] igt/gem_reloc_overflow regression for
                    single-overflow*
           Product: DRI
           Version: DRI 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: olivierx.berthier at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Regression:
-----------
Yes, the subtests were pass with the kernel drm-intel-nightly 4.5.0-rc7_dd7b012
and intel-gpu-tools-1.14-26-g174a06b

Setup:
------
Hardware
Platform: KABY LAKE-U 
CPU : Intel(R) Core(TM) @ 2.60GHz
MCP : KBL-U G0 2+2 (ou ULT-G0)
QDF : QYQ8
Chipset PCH: SPT-LP C1 
CRB : KABY LAKE U DDR3L RVP7 CRB FAB1
Software
BIOS : KBLSE2R1.R00.X015.B01.1511271314
ME FW : 11.5.0.1008
Ksc (EC FW): 1.20
Linux distribution: Ubuntu 15.10 64 bits
Kernel drm-intel-nightly 4.5.0-fc881eb from
http://cgit.freedesktop.org/drm-intel/
  commit fc881ebd9c3c26919c7d1113f8bf7014e1a05563
  Author: Daniel Vetter <daniel.vetter at ffwll.ch>
  Date:   Tue Mar 15 14:11:45 2016 +0100
  drm-intel-nightly: 2016y-03m-15d-13h-10m-41s UTC integration manifest

drm: libdrm-2.4.67-7-g49041c3
cairo: 1.15.2 db8a7f1 
intel-gpu-tool: intel-gpu-tools-1.14-62-g8f6ed9e

Steps:
------
# ./gem_reloc_overflow --r single-overflow

Actual result:
--------------
The test fail. Same thing for the subtest single-overflow-noprefault.

Expected result:
----------------
Subtests are Pass

Program output:
---------------

IGT-Version: 1.14-NOT-GIT (x86_64) (Linux: 4.5.0-nightly+ x86_64)
(gem_reloc_overflow:2119) CRITICAL: Test assertion failure function
reloc_tests, file gem_reloc_overflow.c:260:
(gem_reloc_overflow:2119) CRITICAL: Failed assertion: __gem_execbuf(fd,
&execbuf) == -14
(gem_reloc_overflow:2119) CRITICAL: error: -22 != -14
Stack trace:
  #0 [__igt_fail_assert+0xf1]
  #1 [reloc_tests+0x95b]
  #2 [__real_main365+0x298]
  #3 [main+0x29]
  #4 [__libc_start_main+0xf0]
  #5 [_start+0x29]
  #6 [<unknown>+0x29]
Subtest single-overflow failed.
**** DEBUG ****
(gem_reloc_overflow:2119) DEBUG: relocation_count=4294967295
(gem_reloc_overflow:2119) CRITICAL: Test assertion failure function
reloc_tests, file gem_reloc_overflow.c:260:
(gem_reloc_overflow:2119) CRITICAL: Failed assertion: __gem_execbuf(fd,
&execbuf) == -14
(gem_reloc_overflow:2119) CRITICAL: error: -22 != -14
****  END  ****
Subtest single-overflow: FAIL (0.707s)

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