[Bugme-new] [Bug 20452] New: Clarkdale: kernel BUG at drivers/gpu/drm/i915/i915_gem_evict.c:244!
bugzilla-daemon at bugzilla.kernel.org
bugzilla-daemon at bugzilla.kernel.org
Sun Oct 17 04:10:39 PDT 2010
https://bugzilla.kernel.org/show_bug.cgi?id=20452
Summary: Clarkdale: kernel BUG at
drivers/gpu/drm/i915/i915_gem_evict.c:244!
Product: Drivers
Version: 2.5
Kernel Version: 2.6.36-rc8
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: high
Priority: P1
Component: Video(DRI - Intel)
AssignedTo: drivers_video-dri-intel at kernel-bugs.osdl.org
ReportedBy: marogge at onlinehome.de
Regression: Yes
Created an attachment (id=33792)
--> (https://bugzilla.kernel.org/attachment.cgi?id=33792)
Syslog
Due to various i915 display related issues on a couple of machines (GM45, i3
Clarkdale) I am frequently updating and testing parts of the i915 stack.
With some of the latest user space cpomponents (xorg 1.8.2, libdrm-2.4.22,
mesa-7.9, xf86-video-intel-2.13.0, pixman-0.19.4, cairo-1.10.0) I now hit a
sporadic display freeze that leaves a trace in the syslog. Unfortunately I
cannot really bisect due to the sporadicness.
I logged two different symptoms in the attached system log.
The first one was less severe, allowed me to switch to a virtual terminal. I
could kill and restart X, although the display remained black and I had to
reboot. The log has a lot of lines of the form
[drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung
[drm:i915_do_wait_request] *ERROR* i915_do_wait_request returns -5 (awaiting
7527114 at 7527108)
The kernel was a BFS-modified 2.6.35.4.
The second incident (for which this ticket is created) happened under a vanilla
2.6.36-rc8 kernel. The symptom was harder. I could not switch to virtual
terminals but I could ssh in. Interestingly the system did not react to kill -9
of the X server ie. the process list remained unchanged (X and all children in
state S). I had to reboot. Main characteristics in the log is the kernel BUG
and stack trace.
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