[Bug 104401] New: GPU HANG: ecode 7:0:0xab0f77f9, in Xorg [1348], reason: Hang on rcs0, action: reset

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=104401

            Bug ID: 104401
           Summary: GPU HANG: ecode 7:0:0xab0f77f9, in Xorg [1348],
                    reason: Hang on rcs0, action: reset
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: critical
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: freedesktop at scarsita.it
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 136422
  --> https://bugs.freedesktop.org/attachment.cgi?id=136422&action=edit
dmesg

Starting from kernel 4.7 (I tried 4.7.4, 4.9.40, 4.11.12, 4.13.0-rc4,
4.14.0-rc6), the whole system freeze, at least 1 time per day (usually it
freeze during the night when the system is idle). Only 1 time I successfully
got the "GPU HANG" on dmesg.

The last known good kernel is 4.6.7.

The hang does not occur if I disable i915 kernel module.

Xorg version is 1.18.3.

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