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xen-devel
[Xen-devel] Re: 2.6.29 git, resume from ram broken on thinkpad
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To: |
Arkadiusz Miskiewicz <a.miskiewicz@xxxxxxxxx>, Tejun Heo <tj@xxxxxxxxxx>, Arjan van de Ven <arjan@xxxxxxxxxxxxx> |
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Subject: |
[Xen-devel] Re: 2.6.29 git, resume from ram broken on thinkpad |
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From: |
Ingo Molnar <mingo@xxxxxxx> |
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Date: |
Fri, 3 Apr 2009 19:32:56 +0200 |
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Cc: |
"Rafael J. Wysocki" <rjw@xxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx, Jeremy Fitzhardinge <jeremy@xxxxxxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, Mike Travis <travis@xxxxxxx>, Chris Wright <chrisw@xxxxxxxxxxxx>, virtualization@xxxxxxxxxxxxxx, Yinghai Lu <yhlu.kernel@xxxxxxxxx>, KOSAKI Motohiro <kosaki.motohiro@xxxxxxxxxxxxxx>, Venkatesh Pallipadi <venkatesh.pallipadi@xxxxxxxxx> |
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Fri, 03 Apr 2009 10:34:46 -0700 |
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<200904011155.20751.a.miskiewicz@xxxxxxxxx> <200904030222.57469.a.miskiewicz@xxxxxxxxx> <20090403003523.GK18394@xxxxxxxxxxxxxxxxxxxx> <200904030847.19674.a.miskiewicz@xxxxxxxxx> |
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Mutt/1.5.18 (2008-05-17) |
* Arkadiusz Miskiewicz <a.miskiewicz@xxxxxxxxx> wrote:
> On Friday 03 of April 2009, Chris Wright wrote:
> > * Arkadiusz Miskiewicz (a.miskiewicz@xxxxxxxxx) wrote:
> > > What about 9ea09af3bd3090e8349ca2899ca2011bd94cda85 ?
> > >
> > > stop_machine: introduce stop_machine_create/destroy.
> >
> > That is later fixed in a0e280e0f33f6c859a235fb69a875ed8f3420388.
> >
> > Can you please verify if 2.6.29 works for you?
>
> I think that the guilty part is
> CONFIG_CC_STACKPROTECTOR_ALL=y
> CONFIG_CC_STACKPROTECTOR=y
aha!!
> Disabling stackprotector makes problem go away (and my build of
> final 2.6.29 had it disabled while later builds got it enabled at
> some moment).
Thanks a ton for that info. Could you try:
http://people.redhat.com/mingo/tip.git/README
with stack-protector re-enabled please? This fix:
1f23b77: x86: disable stack-protector for __restore_processor_state()
might do the trick!
Ingo
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