[Bug 89000] New: [BDW execlists]igt/gem_evict_everything/major-hang causes system hang

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=89000

            Bug ID: 89000
           Summary: [BDW execlists]igt/gem_evict_everything/major-hang
                    causes system hang
           Product: DRI
           Version: unspecified
          Hardware: All
                OS: Linux (All)
            Status: NEW
          Severity: critical
          Priority: high
         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

==System Environment==
--------------------------
Regression: yes
good commit: 1d83d957e621f160dfe0f08194e9c2fdd5fa7f3e
bad commit: 93180785d44e3d417099e293b9ff6eeb4fd20aa2

no-working platforms: BDW

==kernel==
--------------------------
drm-intel-nightly/9583cb470cd82997b5f23d4acab852563f5c0047
commit 9583cb470cd82997b5f23d4acab852563f5c0047
Author: Daniel Vetter <daniel.vetter at ffwll.ch>
Date:   Wed Feb 4 15:22:12 2015 +0100

    drm-intel-nightly: 2015y-02m-04d-14h-21m-52s UTC integration manifest

==Bug detailed description==
-----------------------------
It causes system hang, add i915.enable_ppgtt=0, it works well. bug 88652 tracks
BSW, report this bug to track BDW.

output:
IGT-Version: 1.9-gbef692d (x86_64) (Linux:
3.19.0-rc7_drm-intel-nightly_75ce8a_20150206+ x86_64)
Test requirement not met in function intel_require_memory, file intel_os.c:244:
Test requirement: !(total <= required)
Estimated that we need 12884905984 bytes for the test, but only have 3915382784
bytes available (RAM)
Subtest major-hang: SKIP (0.012s)

==Reproduce steps==
---------------------------- 
1. ./gem_evict_everything --run-subtest major-hang

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