linux-kernel - Re: >3G => iommu => suspend problems -- was Re: SB600 AHCI: Hard Disk Corruption

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Date:	Fri, 6 Jun 2008 15:20:11 +0200
From:	Pavel Machek <pavel@...e.cz>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Patrick <ragamuffin@...acomm.ch>, linux-kernel@...r.kernel.org,
	Ingo Molnar <mingo@...e.hu>,
	pm list <linux-pm@...ts.linux-foundation.org>
Subject: Re: >3G => iommu => suspend problems -- was Re: SB600 AHCI: Hard Disk Corruption

Hi!

> > > > Can you try this one? It should prevent suspend in the broken cases,
> > > > but allow it in mem=4G config.
> > > 
> > > Sure!
> > > 
> > > root@...ar:/usr/src/linux-2.6.25# patch -p1 < /home/pat/patch-2.6.26-rc3.gart-suspend
> > > patching file arch/x86/kernel/pci-gart_64.c
> > > Hunk #4 succeeded at 629 with fuzz 2 (offset 11 lines).
> > > 
> > > .....make; cp bzImage /boot; reboot....
> > 
> > Thanks!
> > 
> > This goes on top of the second patch... it makes it work.
> > 
> > 								Pavel
> > 
> > For iommu suspend/resume code to work, functions it calls may not be
> > __init.
> > 
> > Signed-off-by: Pavel Machek <pavel@...e.cz>
> 
> I consolidated some of your patches sent in this thread and made the result
> apply to the current -git.  It hasn't been tested yet, but does it look good?
> 
> It's on top of the patch that adds the GART sysdev.

Looks ok to me.

							Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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