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Subject(eats disks) Re: iommu breaks usb after resume
On Thu 2008-03-27 09:42:31, Pavel Machek wrote:
> On Thu 2008-03-27 00:00:17, Ingo Molnar wrote:
> >
> > * Pavel Machek <pavel@ucw.cz> wrote:
> >
> > > @@ -733,8 +735,8 @@ static struct pci_driver agp_amd64_pci_d
> > > .probe = agp_amd64_probe,
> > > .remove = agp_amd64_remove,
> > > #ifdef CONFIG_PM
> > > - .suspend = agp_amd64_suspend,
> > > - .resume = agp_amd64_resume,
> > > + .suspend_late = agp_amd64_suspend,
> > > + .resume_early = agp_amd64_resume,
> > > #endif
> >
> > ah, makes sense. I've queued up your fix in x86.git (sans the debug
> > printks), please send your signoff once you can verify that it solves
> > the hibernation hang on your box and we'll push it into 2.6.25.
>
> You have my signed-off from previous email, but...
>
> it does not solve a problem here -- see the mail to andi. It may still
> be good idea to take it (but I do not think it should go to 2.6.25),
> but may machine still does not work.

Hmm, seems like this is pretty dangerous area. On resume, system is in
half-alive state: it responds to commands but IOMMU is just not
configure.

Unfortunately, it decided to write crap over my boot sector :-(.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
pomozte zachranit klanovicky les: http://www.ujezdskystrom.info/


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