[Bug 77376] New: KDE window manager kwin crashes

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=77376

          Priority: medium
            Bug ID: 77376
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: KDE window manager kwin crashes
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: famelis at gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: XOrg CVS
         Component: DRM/Intel
           Product: DRI

Created attachment 97279
  --> https://bugs.freedesktop.org/attachment.cgi?id=97279&action=edit
Gpu crash dump and Xorg log

I am running a debian/sid linux on a laptop with an optimus nvidia card 
(nvidia GeForce GT 640 2GB) using the NOUVEAU driver.

>From time to time kwin crashes. 

Also, while running, the cursor sometimes turns to a 2cm X 2cm white block.

Following is the message from dmesg. 

The GPU crash dump and the Xorg.0.log is attached.

---------------------------------------------------------------------------
[ 2322.266868] [drm] stuck on render ring
[ 2322.266887] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[ 2322.266888] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[ 2322.266889] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[ 2322.266890] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[ 2322.266891] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[ 2322.271361] [drm:i915_set_reset_status] *ERROR* render ring hung inside bo
(0x3389000 ctx 1) at 0x3389004
[ 2328.258782] [drm] stuck on render ring
[ 2328.258894] [drm:i915_set_reset_status] *ERROR* render ring hung inside bo
(0xa70c000 ctx 1) at 0xa70c2ac
[ 2328.258898] [drm:i915_context_is_banned] *ERROR* context hanging too fast,
declaring banned!
----------------------------------------------------------------------------

Regards,

George Famelis

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