[Bug 90400] [KBL APL SKL BSW BDW]igt/gem_ppgtt/flink-and-close-vma-leak fails

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90400

--- Comment #14 from cprigent <christophe.prigent at intel.com> ---
Reproduced on SKL:
root at SKL-Y4:/usr/local/src/intel-gpu-tools/tests# ./gem_ppgtt
IGT-Version: 1.13-NOT-GIT (x86_64) (Linux: 4.5.0-rc6-nightly-guc-patch+ x86_64)
Subtest blt-vs-render-ctx0: SUCCESS (43.397s)
Subtest blt-vs-render-ctxN: SUCCESS (55.937s)
(gem_ppgtt:1180) CRITICAL: Test assertion failure function flink_and_close,
file gem_ppgtt.c:246:
(gem_ppgtt:1180) CRITICAL: Failed assertion: offset == offset_new
(gem_ppgtt:1180) CRITICAL: error: -8192 != -12288
Stack trace:
  #0 [__igt_fail_assert+0xf1]
  #1 [_start+0x0]
  #2 [__libc_start_main+0xf0]
  #3 [_start+0x29]
  #4 [<unknown>+0x29]
Subtest flink-and-close-vma-leak failed.
**** DEBUG ****
(gem_ppgtt:1180) drmtest-DEBUG: Test requirement passed: fd >= 0
(gem_ppgtt:1180) DEBUG: Test requirement passed: gem_uses_full_ppgtt(fd)
(gem_ppgtt:1180) drmtest-DEBUG: Test requirement passed: fd >= 0
(gem_ppgtt:1180) CRITICAL: Test assertion failure function flink_and_close,
file gem_ppgtt.c:246:
(gem_ppgtt:1180) CRITICAL: Failed assertion: offset == offset_new
(gem_ppgtt:1180) CRITICAL: error: -8192 != -12288
****  END  ****
Subtest flink-and-close-vma-leak: FAIL (0.162s)
(gem_ppgtt:1180) CRITICAL: Test assertion failure function flink_and_exit, file
gem_ppgtt.c:298:
(gem_ppgtt:1180) CRITICAL: Failed assertion: matched == 0
(gem_ppgtt:1180) CRITICAL: error: 1 != 0
Stack trace:
  #0 [__igt_fail_assert+0xf1]
  #1 [main+0x3b3]
  #2 [__libc_start_main+0xf0]
  #3 [_start+0x29]
  #4 [<unknown>+0x29]
Subtest flink-and-exit-vma-leak failed.
**** DEBUG ****
(gem_ppgtt:1180) drmtest-DEBUG: Test requirement passed: fd >= 0
(gem_ppgtt:1180) DEBUG: Test requirement passed: gem_uses_full_ppgtt(fd)
(gem_ppgtt:1180) drmtest-DEBUG: Test requirement passed: fd >= 0
(gem_ppgtt:1180) CRITICAL: Test assertion failure function flink_and_exit, file
gem_ppgtt.c:298:
(gem_ppgtt:1180) CRITICAL: Failed assertion: matched == 0
(gem_ppgtt:1180) CRITICAL: error: 1 != 0
****  END  ****
Subtest flink-and-exit-vma-leak: FAIL (5.169s)

Hardware
Platform: SKY LAKE Y A0 QUAL
CPU : Intel(R) Core(TM) m5-6Y57 CPU @ 1.10GHz (family: 6, model: 78  stepping:
3)
MCP : SKL-Y  D1 2+2 (ou ULX-D1)
QDF : QJK9 
CPU : SKL D0
Chipset PCH: Sunrise Point LP C0       
CRB : SKY LAKE Y LPDDR3 RVP3 CRB FAB2
Reworks : All Mandatories + FBS02 & FBS03, O-06
Software 
Linux OS : Ubuntu 15.04 64 bits
BIOS : SKLSE2R1.R00.B104.B01.1511110114
ME FW : 11.0.0.1191
Ksc (EC FW): 1.20
Kernel: drm-intel-nightly 4.5.0-rc6 from http://cgit.freedesktop.org/drm-intel
With patch applied from:
https://patchwork.freedesktop.org/patch/74962/
https://lists.freedesktop.org/archives/intel-gfx/2016-February/088390.html
Guc 6.1

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