[Bug 84624] New: desktop freezes for few seconds kernel 3.17rc 3.16... and earlier too with drm stuck on a render ring

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=84624

            Bug ID: 84624
           Summary: desktop freezes for few seconds kernel 3.17rc 3.16...
                    and earlier too with drm stuck on a render ring
           Product: DRI
           Version: XOrg CVS
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: alinm.elena at gmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 107256
  --> https://bugs.freedesktop.org/attachment.cgi?id=107256&action=edit
error from dmesg

x freezes for few seconds, randomly with the following error in dmesg.

attached the error.







[ 1404.260084] [drm] stuck on render ring
[ 1404.260649] [drm] GPU HANG: ecode 0:0x85ff9dfa, in X [980], reason: Ring
hung, action: reset
[ 1404.260652] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[ 1404.260653] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[ 1404.260654] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[ 1404.260655] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[ 1404.260657] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[ 1481.358860] [drm] stuck on render ring
[ 1481.359423] [drm] GPU HANG: ecode 0:0x85ff9dfa, in X [980], reason: Ring
hung, action: reset
[ 1611.493320] [drm] stuck on render ring
[ 1611.493882] [drm] GPU HANG: ecode 0:0x85ffbdfa, in X [980], reason: Ring
hung, action: reset
[ 2829.865887] [drm] stuck on render ring
[ 2829.866416] [drm] GPU HANG: ecode 0:0x85ff9dfa, in X [980], reason: Ring
hung, action: reset

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