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SubjectRe: 2.6.35.6 fails to suspend (pxa2xx-mci.0)
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On Thu, 2010-10-07 at 23:23 +0200, Rafael J. Wysocki wrote:

> > > I wonder what happens if you echo 0 to /sys/power/pm_async ?
> >
> > Nothing happens. The problem persists (tested with 2.6.36-rc7). What
> > would you expect to happen?
>
> Exactly that. :-)
>
> Commit 152e1d5920 should not affect the non-async case (I'd be surprised if
> it did really) and things should work with /sys/power/pm_async = 0 anyway.
>
> Please try check if you can reproduce with commt 152e1d5920 reverted and
> /sys/power/pm_async = 0. If you can, that's a driver bug.

Ok, for the record, here's what I tried. I have rebooted between tests
to make sure there's no state pulled in from the previous test:

2.6.36-rc7, no changes, pm_async 1 : suspend fails
2.6.36-rc7, no changes, pm_async 0 : suspend fails

2.6.36-rc7, 152e1d reverted, pm_async 1 : suspend works
2.6.36-rc7, 152e1d reverted, pm_async 0 : suspend fails

2.6.34.7, no changes, pm_async 1 : suspend works
2.6.34.7, no changes, pm_async 0 : suspend works

I am not sure how this should be interpreted.


Sven





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