[Bug 72507] New: [IVB]igt/gem_ctx_exec/eviction fails

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=72507

          Priority: medium
            Bug ID: 72507
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [IVB]igt/gem_ctx_exec/eviction fails
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: huax.lu at intel.com
          Hardware: All
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Created attachment 90491
  --> https://bugs.freedesktop.org/attachment.cgi?id=90491&action=edit
dmesg

System Environment:
--------------------------
Arch:             x86_64
Platform:         ivybridge 
Kernel:      (drm-intel-nightly)ddd0a9e2da6087c7aac74aca34fcdc90645cbdb4

Bug detailed description:
---------------------------
It fails on ivybridge with -fixes kernel, has OOM killer Bug 72506 on -queued
and -nightly kernel.
It's a new case.

output:
trying buffer count 522904
trying buffer count 522903
trying buffer count 522902
trying buffer count 522901
trying buffer count 522900
trying buffer count 522899
trying buffer count 522898
trying buffer count 522897
trying buffer count 522896
trying buffer count 522895
trying buffer count 522894
trying buffer count 522893
trying buffer count 522892
trying buffer count 522891
trying buffer count 522890
trying buffer count 522889
reduced buffer count to 522889 from 522906
Test assertion failure function big_exec, file gem_ctx_exec.c:160:
Failed assertion: drmIoctl(fd, DRM_IOCTL_I915_GEM_EXECBUFFER2, &execbuf) == 0
Subtest eviction: FAIL

Reproduce steps:
-------------------------
1. ./gem_ctx_exec --run-subtest eviction

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