Re: [Bug #14939] drm: random hang with i915

[Jesse Barnes]

On Sun, 24 Jan 2010 23:23:04 +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=14939
> Subject		: drm: random hang with i915
> Submitter	: Arnd Bergmann <arnd@xxxxxxxx>
> Date		: 2009-12-07 17:30 (49 days old)
> References	: http://marc.info/?l=linux-kernel&m=126020704125723&w=4
> Handled-By	: Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx>
> 

Any news on this one Arnd?  Does i915.powersave=0 still fix it?  If so
the bug David found and fixed may have an effect.  Apparently the
hardware wasn't automatically disabling self-refresh mode when multiple
pipes were active (though maybe you didn't have this config?), which
could definitely cause problems.

-- 
Jesse Barnes, Intel Open Source Technology Center
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/