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SubjectRe: 2.6.21-rc1: known regressions (part 2)
On Tue, Feb 27 2007, Pavel Machek wrote:
> Hi!
>
> > > This email lists some known regressions in 2.6.21-rc1 compared to 2.6.20
> > > that are not yet fixed in Linus' tree.
> > >
> > > If you find your name in the Cc header, you are either submitter of one
> > > of the bugs, maintainer of an affectected subsystem or driver, a patch
> > > of you caused a breakage or I'm considering you in any other way possibly
> > > involved with one or more of these issues.
> > >
> > > Due to the huge amount of recipients, please trim the Cc when answering.
> > >
> > >
> > > Subject : ThinkPad T60: system doesn't come out of suspend to RAM
> > > (CONFIG_NO_HZ)
> > > References : http://lkml.org/lkml/2007/2/22/391
> > > Submitter : Michael S. Tsirkin <mst@mellanox.co.il>
> > > Thomas Gleixner <tglx@linutronix.de>
> > > Handled-By : Ingo Molnar <mingo@elte.hu>
> > > Status : unknown
> >
> > x60 doesn't resume from S2R either, it doesn't matter if CONFIG_NO_HZ is
> > set or not though. 2.6.20 worked fine.
>
> It somehow works for me. As long as I do not play with bluetooth and
> suspend to disk...

It locks solid here on resume, going back to 2.6.20 makes it work
perfectly again. In between 2.6.20 and 2.6.21-rc1 some ACPI change broke
resume, but that got fixed. Some other change later snuck in that broke
it AGAIN for me, sigh.

I don't use bluetooth nor suspend to disk.

--
Jens Axboe

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