linux-kernel - Re: 2.6.29-rc1: thinkpad problems during resume

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Message-ID: <b6a2187b0901130533m118e9401k8a7152d6f5982708@mail.gmail.com>
Date:	Tue, 13 Jan 2009 21:33:23 +0800
From:	"Jeff Chua" <jeff.chua.linux@...il.com>
To:	"Pavel Machek" <pavel@...e.cz>
Cc:	"Christian Borntraeger" <borntraeger@...ibm.com>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	"kernel list" <linux-kernel@...r.kernel.org>
Subject: Re: 2.6.29-rc1: thinkpad problems during resume

On Tue, Jan 13, 2009 at 9:28 PM, Pavel Machek <pavel@...e.cz> wrote:
>> Am Dienstag 13 Januar 2009 schrieb Rafael J. Wysocki:
>> > On Tuesday 13 January 2009, Pavel Machek wrote:
>> > > Hi!
>> > >
>> > > Just when I thought long merge window means less problems...
>> > >
>> > > ...suspend seemed to work until last tuesday or so. Now it hanged two
>> > > times; once so hard that power button powercycle did not result in
>> > > booting machine. (thinkpad x60)
>> > >
>> > > I'll do some more tests...
>> >
>> > There are a couple of things you may want to revert, like
>> > 7503bfbae89eba07b46441a5d1594647f6b8ab7d and
>> > a0d4922da2e4ccb0973095d8d29f36f6b1b5f703 .
>> >
>> > Please let me know if that helped.
>>
>> I tested rc1+ these two reverts yesterday on my T61p. Doesnt work. There must
>> be at least one more patch that broke S2R on my thinkpad. In fact, it is cpu
>> hotplug that is broken (unplug works).
>
> I reproduced that: echo 0 > online works, echo 1 > online hangs. Will
> compile SMP-less kernel to verify that there are no more problems...
>                                                                        Pavel
> --
> (english) http://www.livejournal.com/~pavelmachek
> (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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I've a X61 running 32-bit and it's able to suspend-to-ram.

Please see "[Bug #12422] 2.6.28-git can't resume from str" if it's
fixes your problem. Try to pull Linus' latest tree first and you need
apply only Rafael's latest patch.

Thanks,
Jeff.
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