[Bug 89859] New: [BSW]igt/gem_evict_everything/mlocked-hang causes oom killer

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=89859

            Bug ID: 89859
           Summary: [BSW]igt/gem_evict_everything/mlocked-hang causes oom
                    killer
           Product: DRI
           Version: unspecified
          Hardware: All
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: huax.lu at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 114797
  --> https://bugs.freedesktop.org/attachment.cgi?id=114797&action=edit
dmesg

==System Environment==
--------------------------
Regression: not sure, new case

Non-working platforms: BSW

==kernel==
--------------------------
drm-intel-nightly/d72ff1ab1499711c941831400629c14493313b3a
Author: Daniel Vetter <daniel.vetter at ffwll.ch>
Date:   Tue Mar 31 17:30:12 2015 +0200

    drm-intel-nightly: 2015y-03m-31d-15h-29m-33s UTC integration manifest

==Bug detailed description==
-----------------------------
It causes oom killer on BSW with the latest drm-intel-nightly kernel.

output:
IGT-Version: 1.10-g2f0e3cd (x86_64) (Linux:
4.0.0-rc6_drm-intel-nightly_d72ff1_20150401+ x86_64)
child 0 died with signal 9, Killed
Subtest mlocked-hang failed.
**** DEBUG ****
Checking 1536 surfaces of size 1048576 bytes (total 1611399168) against RAM
Test requirement passed: !(total <= required)
Test requirement passed: !igt_run_in_simulation()
Test requirement passed: pin > sz
Pinning [1439, 2975] MiB
Test requirement passed: locked
****  END  ****
Subtest mlocked-hang: FAIL (478.382s)

real    7m58.787s
user    0m0.609s
sys     2m7.256s

==Reproduce steps==
---------------------------- 
1. time ./gem_evict_everything --run-subtest mlocked-hang

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