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[Bug 447892] Re: [i855GM] Freeze shortly after X startup on Intel i855

 

So, finally got round to creating updated logs (including DebugFlushCaches). Updated upstream information, duplicating here just in case.
-----

Slightly updated test case (hopefully not too many changed unknowns, had
to do an system update):

-mainline kernel 2.6.32-020632rc6-generic, rc5 is still on the machine if wanted
-current X.org drivers from 'xorg edgers' PPA: 2:2.9.0+git20091106.dbb68168-0ubuntu0tormod

I have also enabled the Option DebugFlushCaches in xorg.conf. Updated
batchbuffer dumps and logs are attached.

I do not know if this is relevant, but the X freeze produces lots of
repeated lines in dmesg like this:

--------------------snip!--------------------
[  180.008194] [drm] DAC-6: set mode 640x480 0
[  180.498662] [drm] DAC-6: set mode 640x480 0
[  288.356030] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung
[  288.356040] render error detected, EIR: 0x00000000
[  288.356044] i915: Waking up sleeping processes
[  288.356055] [drm:i915_wait_request] *ERROR* i915_wait_request returns -5 (awaiting 6680 at 6679)
[  288.356381] [drm:i915_gem_execbuffer] *ERROR* Execbuf while wedged
[  288.356574] [drm:i915_gem_execbuffer] *ERROR* Execbuf while wedged
[  288.356618] [drm:i915_gem_execbuffer] *ERROR* Execbuf while wedged
[  288.356656] [drm:i915_gem_execbuffer] *ERROR* Execbuf while wedged
...
--------------------snip!--------------------


** Attachment added: "Updated set of logs and buffer dumps"
   http://launchpadlibrarian.net/35498660/dri_debug-2009-11-10.tgz

-- 
[i855GM] Freeze shortly after X startup on Intel i855
https://bugs.launchpad.net/bugs/447892
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