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SubjectRe: i915 drm GPU hung errors with kernel 2.6.38.2 on 82865G chipset
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wzab wrote:

> 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:
>
> [...]
>

Hi, just for info, I seemingly had the same error occurring yesterday, but I
also failed to retrieve information from the debugfs. Also on 2.6.38.2,
chipset being H55 Express. Seems to happen after a long uptime. I will be more
careful to retrieve debug information next time.

Another sort-of-regression I noticed since moving to 2.6.38 is the 30 second
waiting period when resuming. However, I have no idea what driver might be the
cause.

Martin

---- from syslog ----

Apr 15 19:16:28 arnold kernel: [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck
timer elapsed... GPU hung
Apr 15 19:16:28 arnold kernel: [drm:i915_do_wait_request] *ERROR*
i915_do_wait_request returns -11 (awaiting 50400651 at 50400598, next
50400652)

Apr 15 19:16:30 arnold kernel: [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck
timer elapsed... GPU hung
Apr 15 19:16:30 arnold kernel: [drm:init_ring_common] *ERROR* failed to set
render ring head to zero ctl 00000000 head 87c0f714 tail 00000000 start
00001000
Apr 15 19:16:30 arnold kernel: [drm:init_ring_common] *ERROR* render ring
initialization failed ctl 0001f003 head 87c0f714 tail 00000000 start 00001000
Apr 15 19:16:58 arnold kernel: [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck
timer elapsed... GPU hung
Apr 15 19:16:58 arnold kernel: [drm:init_ring_common] *ERROR* failed to set
render ring head to zero ctl 00000000 head 87c0f714 tail 00000000 start
00001000
Apr 15 19:16:58 arnold kernel: [drm:init_ring_common] *ERROR* render ring
initialization failed ctl 0001f003 head 87c0f714 tail 00000000 start 00001000


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