[Bug 87177] New: [IVB]igt/gem_ctx_exec/reset-pin-leak causes *ERROR* Timed out waiting for forcewake to ack request.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=87177

            Bug ID: 87177
           Summary: [IVB]igt/gem_ctx_exec/reset-pin-leak causes *ERROR*
                    Timed out waiting for forcewake to ack request.
           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 110661
  --> https://bugs.freedesktop.org/attachment.cgi?id=110661&action=edit
test log

==System Environment==
--------------------------
Regression: not sure

Non-working platforms: IVB

==kernel==
--------------------------
drm-intel-nightly/34d267c2ba9c0845432baf959a2c4deed87f3ee4
commit 34d267c2ba9c0845432baf959a2c4deed87f3ee4
Author: Daniel Vetter <daniel.vetter at ffwll.ch>
Date:   Mon Dec 8 23:25:00 2014 +0100

    drm-intel-nightly: 2014y-12m-08d-22h-24m-34s UTC integration manifest

==Bug detailed description==
-----------------------------
It causes "[drm:__gen7_gt_force_wake_mt_get [i915]] *ERROR* Timed out waiting
for forcewake to ack request." on IVB with drm-intel-nightly kernel.
Run binary 5 cycles, I am unable to reproduce it. It only happens on automation
testing.

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