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

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Message-ID: <20080902080535.GC15399@elf.ucw.cz>
Date:	Tue, 2 Sep 2008 10:05:35 +0200
From:	Pavel Machek <pavel@...e.cz>
To:	Patrick <ragamuffin@...acomm.ch>
Cc:	Andi Kleen <andi@...stfloor.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>, 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 test 2.6.27-rc2? It should be all there...
> 
> Ja, sure! I noticed that it's there already... thank you all!
> 
> So as you requested, I got myself a -rc2 tree, compiled and tested
> #s2ram and #s2disk. It works!

Good.

> Maybe it's got something to do with the fact that I'm using
> https://launchpad.net/~xorg-edgers xserver now to have 3d acceleration
> working for my radeon X1200 (RS690 builtin) and the drm module versions
> don't match. Xserver wants 1.30 but starts anyway. I can't fix this
> because the script can't compile the
> git://anongit.freedesktop.org/git/mesa/drm modules for 2.6.27-rc2 ....
> This creates some unpredictable problems with the X server process when
> I log into my account (can't find out what triggers it ... cpu usage
> goes to 100%, have to reboot) As a workaround, I could log into a guest
> account to do the tests but switched back to my patched 2.6.26-rc5 for
> now for everyday PC usage.

Yes, 3d has some problems.

> BTW, if somebody would like to explain to me, why the simultanious usage
> of the GART by drm and as iommu DON'T bite each other, I'd be quiet
> interrested to learn.

No idea, sorry.
									Pavel

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