Public bug reported:
with 2.6.38 every session has problems with this kernel log:
[ 100.820023] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed...
GPU hung
[ 100.825401] [drm:i915_do_wait_request] *ERROR* i915_do_wait_request returns
-11 (awaiting 7718 at 7716, next 7719)
[ 102.800051] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed...
GPU hung
[ 102.808091] [drm:init_ring_common] *ERROR* failed to set render ring head to
zero ctl 00000000 head 0040a98c tail 00000000 start 00000000
[ 102.808111] [drm:init_ring_common] *ERROR* render ring initialization failed
ctl 0001f003 head 0040a98c tail 00000000 start 00000000
[ 128.316017] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed...
GPU hung
[ 128.364089] [drm:init_ring_common] *ERROR* failed to set render ring head to
zero ctl 00000000 head 0040a98c tail 00000000 start 00000000
[ 128.364107] [drm:init_ring_common] *ERROR* render ring initialization failed
ctl 0001f003 head 0040a98c tail 00000000 start 00000000
with 2.6.35-28 as kernel, i only get:
[ 307.634697] [drm:intel_prepare_page_flip] *ERROR* Prepared flip multiple
times
[ 307.634697] [drm:intel_prepare_page_flip] *ERROR* Prepared flip multiple
times
[ 307.634697] [drm:intel_prepare_page_flip] *ERROR* Prepared flip multiple
times
[ 307.634697] [drm:intel_prepare_page_flip] *ERROR* Prepared flip multiple
times
[ 307.634697] [drm:intel_prepare_page_flip] *ERROR* Prepared flip multiple
times
[ 307.634697] [drm:intel_prepare_page_flip] *ERROR* Prepared flip multiple
times
[ 307.634697] [drm:intel_prepare_page_flip] *ERROR* Prepared flip multiple
times
[ 307.634697] [drm:intel_prepare_page_flip] *ERROR* Prepared flip multiple
times
[ 307.634697] [drm:intel_prepare_page_flip] *ERROR* Prepared flip multiple
times
[ 307.634697] [drm:intel_prepare_page_flip] *ERROR* Prepared flip multiple
times
unity does not work, gnome with effects does not work, too. gnome-2d
works, but with graphic errors (flicker, white space over the gui which
vanished on mouseover, etc.)
with maverick everything worked okay even with some desktop effects.
the hardware is:
00:02.0 VGA compatible controller: Intel Corporation 82865G Integrated Graphics
Controller (rev 02)
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: graphics intel natty
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https://bugs.launchpad.net/bugs/773356
Title:
graphic card regressions in natty with intel graphics card
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