[Bug 103657] New: [GLK] GPU hang while playing youtube video

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103657

            Bug ID: 103657
           Summary: [GLK] GPU hang while playing youtube video
           Product: DRI
           Version: DRI git
          Hardware: x86 (IA32)
                OS: Linux (All)
            Status: NEW
          Severity: blocker
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: vathsala.nagaraju at intel.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 135366
  --> https://bugs.freedesktop.org/attachment.cgi?id=135366&action=edit
crash dump

video corruption followed by gpu hang while playing youtube video on glk
chrome.
issue is seen on latest kernel 4.14.0-rc8 (drm-tip)
Attached screenshot of video corruption and gpu crash dump. 

issue starts from the below git commit
 commit 2889caa9232109afc8881f29a2205abeb5709d0c
 Author: Chris Wilson <chris at chris-wilson.co.uk>
 Date: Fri Jun 16 15:05:19 2017 +0100

drm/i915: Eliminate lots of iterations over the execobjects array

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