Re: [Bug #15004] i915: *ERROR* Execbuf while wedged

[Chris Mason]

On Fri, Feb 05, 2010 at 11:01:00AM -0800, Jesse Barnes wrote:
> On Mon,  1 Feb 2010 01:43:19 +0100 (CET)
> "Rafael J. Wysocki" <rjw@xxxxxxx> wrote:
> 
> > This message has been generated automatically as a part of a report
> > of regressions introduced between 2.6.31 and 2.6.32.
> > 
> > The following bug entry is on the current list of known regressions
> > introduced between 2.6.31 and 2.6.32.  Please verify if it still
> > should be listed and let me know (either way).
> > 
> > 
> > Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=15004
> > Subject		: i915: *ERROR* Execbuf while wedged
> > Submitter	: tomas m <tmezzadra@xxxxxxxxx>
> > Date		: 2010-01-07 18:53 (25 days old)
> 
> Can you bisect this to a particular kernel commit?  The particular
> error message means the kernel detected a GPU hang.  That's usually
> a userspace bug, but the kernel should recover from it.

I see these about once a week, which would be a very difficult bisect.
The kernel does recover when I reboot, but beyond that the messages loop
forever.

I haven't yet seen it on 2.6.33-rc, but I'm still struggling with
suspend/resume failures and haven't really had a one week up time yet.

-chris

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