[Bug 75163] New: SandyBridge/IvyBridge: stuck on render ring / stuck on blitter ring

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=75163

          Priority: medium
            Bug ID: 75163
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: SandyBridge/IvyBridge: stuck on render ring / stuck on
                    blitter ring
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: h.reindl at thelounge.net
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Created attachment 94293
  --> https://bugs.freedesktop.org/attachment.cgi?id=94293&action=edit
content of /sys/class/drm/card0/error

xorg-x11-drv-intel-2.21.15-5.fc20.x86_64
xorg-x11-server-Xorg-1.14.4-6.fc20.x86_64

that happens randomly in both, SnadyBridge and IvyBridge for
a longer time with several kernel releases

[16688.095803] [drm] stuck on render ring
[16688.095810] [drm] stuck on blitter ring
[16688.095812] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[16688.095823] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[16688.095824] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[16688.095825] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[16688.095826] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.

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