[Bug 92464] New: 8086:0f31_freezes_totally

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=92464

            Bug ID: 92464
           Summary: 8086:0f31_freezes_totally
           Product: DRI
           Version: XOrg git
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: ckrzen at gmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 118875
  --> https://bugs.freedesktop.org/attachment.cgi?id=118875&action=edit
DMESG from 4.3.0-040300rc5-generic using drm.debug=14 boot parameter

Total lockup(cannot even switch to console via Alt-F1, F2, etc.).

Bug is most easily reproducible via Chromium browser when opening multiple
background-tabs(middle-button(wheel) mouse-clicks) and when using ALT-TAB to
switch between browser and Xterms, etc.

Very difficult to pin due to randomness(i.e. system may run for 30-seconds,
30-minutes or 30-hours before freeze). However -- it rarely runs stable for
more that 24-48/hrs without a lockup.


*** Attaching DMESG with drm.debug=14

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