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Subjecti915 drm GPU hung errors with kernel 2.6.38.2 on 82865G chipset
Today I have experienced two "GPU hungs" on machine with 82865G chipset 
working with 2.6.38.2 kernel
In the /var/log/syslog I have found the following errors:

Apr 15 22:50:51 wzab kernel: [drm:i915_hangcheck_elapsed] *ERROR*
Hangcheck timer elapsed... GPU hung
Apr 15 22:50:51 wzab kernel: [drm:i915_do_wait_request] *ERROR*
i915_do_wait_request returns -11 (awaiting 1352947 at 1352942, next 1352948)
Apr 15 22:50:51 wzab kernel: [drm:init_ring_common] *ERROR* failed to
set render ring head to zero ctl 00000000 head 3280a54c tail 00000000
start 00000000
Apr 15 22:50:51 wzab kernel: [drm:init_ring_common] *ERROR* render ring
initialization failed ctl 0001f003 head 3280a54c tail 00000000 start
00000000
Apr 15 22:50:52 wzab kernel: [drm:i915_hangcheck_elapsed] *ERROR*
Hangcheck timer elapsed... GPU hung
Apr 15 22:50:52 wzab kernel: [drm:i915_do_wait_request] *ERROR*
i915_do_wait_request returns -11 (awaiting 1353049 at 1352942, next 1353050)

After reboot:

Apr 15 22:56:41 wzab kernel: [drm:i915_hangcheck_elapsed] *ERROR*
Hangcheck timer elapsed... GPU hung
Apr 15 22:56:41 wzab kernel: [drm:i915_do_wait_request] *ERROR*
i915_do_wait_request returns -11 (awaiting 29134 at 29129, next 29135)

--
Regards,
Wojtek


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