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 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/773356 Title: graphic card regressions in natty with intel graphics card -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs