Re: i915 blocked for more than 120 seconds.

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On Thu, 30 Sep 2010 01:08:47 +0200, Peter Stuge <peter@xxxxxxxx> wrote:
> Toralf Förster wrote:
> > today I run at the latest 2.6.35.6 kernel few apps like Lotus Notes
> > under wine,
> 
> I'm still stuck with 2.6.36-rc1, and both here and on many/most
> earlier kernels I get a few seconds of very irritating stuttering
> whenever I run wine. It is definately related to interaction with X.
> wine folks' reaction was sortof "mh i915 is kinda slow may be it can
> not do any better" but I think it's remarkably bad. Didn't think to
> mention it here earlier. I've never seen a problem like Toralf's
> however, but I also don't use wine for complex GUI things.

wine triggers an xrandr storm for its own unknown reasons. The delay you
see on starting is the driver (on wine's behalf) repeatedly querying the
outputs for connected displays (which can be excruciatingly slow due to
dumb hardware, e.g. VGA load-detection on i8xx/i915).
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre
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