Messages in this thread | | | Date | Sun, 25 May 2008 22:39:21 +0200 | From | Pavel Machek <> | Subject | >3G => iommu => suspend problems -- was Re: SB600 AHCI: Hard Disk Corruption |
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Hi!
> > iommu problem? Try it with mem=3G. > > YES! :-) How did you know?
Guess how... I hit it myself.
> So how are we going to get this fixed???
Write a patch, submit it? ;-).
Okay, I guess I should do the patch, but I can't test it easily. If you can do testing/some development, I guess I can try to cook up something.
(But no, I'm not an IOMMU expert).
> Should the IOMMU be reinitialized after resume? Or should the bios do it > but doesn't? ** On the m2a-vm, the "GART" seems to be used as iommu, > so... :-) ???
It is a Linux bug. BIOS could be more helpful, but... this is a Linux problem.
> I put some kernel message logs here: > http://zefir.freesitespace.net/dmesg/ > One log without mem=4G will also be there shortly, where you will see > the messages concerning the iommu (which seems to be unused right > now).
Yep, they are similar to what I see.
> ???** Seems, the SB600 is not to blame - alas sorry for the subject.
Subject is easy to change ;-). Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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