linux-kernel - Re: iommu breaks usb after resume

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Message-ID: <20080327084231.GC25876@elf.ucw.cz>
Date:	Thu, 27 Mar 2008 09:42:31 +0100
From:	Pavel Machek <pavel@....cz>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Andi Kleen <andi@...stfloor.org>,
	kernel list <linux-kernel@...r.kernel.org>,
	Greg KH <greg@...ah.com>, "Rafael J. Wysocki" <rjw@...k.pl>
Subject: Re: iommu breaks usb after resume

On Thu 2008-03-27 00:00:17, Ingo Molnar wrote:
> 
> * Pavel Machek <pavel@....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.
								Pavel
-- 
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