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Subjectiommu breaks usb after resume
Hi!

On 64-bit machine with 4GB ram (8core from amd), iommu breaks USB
after swsusp. iommu=soft fixes that issue.

I guess iommu handling in arch/x86/kernel/ should have some
suspend/resume support, as it manipulates hardware registers...?
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html


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