From: Ingo Molnar <mingo@elte.hu>
To: Pavel Machek <pavel@ucw.cz>
Cc: Andi Kleen <andi@firstfloor.org>,
kernel list <linux-kernel@vger.kernel.org>,
Greg KH <greg@kroah.com>
Subject: Re: iommu breaks usb after resume
Date: Fri, 21 Mar 2008 14:27:45 +0100 [thread overview]
Message-ID: <20080321132745.GK27245@elte.hu> (raw)
In-Reply-To: <20080320111429.GA14764@elf.ucw.cz>
* Pavel Machek <pavel@ucw.cz> wrote:
> 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...?
agreed ...
Ingo
next prev parent reply other threads:[~2008-03-21 13:28 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-20 11:14 iommu breaks usb after resume Pavel Machek
2008-03-21 13:27 ` Ingo Molnar [this message]
2008-03-21 13:54 ` Andi Kleen
2008-03-26 10:21 ` Pavel Machek
2008-03-26 13:00 ` Andi Kleen
2008-03-26 22:54 ` Pavel Machek
2008-03-26 23:00 ` Ingo Molnar
2008-03-26 23:05 ` Pavel Machek
2008-03-27 5:53 ` Andi Kleen
2008-03-27 8:41 ` Pavel Machek
2008-03-27 8:42 ` Pavel Machek
2008-03-27 8:47 ` (eats disks) " Pavel Machek
2008-03-27 9:59 ` Pavel Machek
2008-03-27 11:49 ` Andi Kleen
2008-03-27 13:29 ` Pavel Machek
2008-03-27 13:34 ` Andi Kleen
2008-03-27 20:30 ` Rafael J. Wysocki
2008-03-27 23:40 ` Pavel Machek
2008-03-27 23:52 ` Rafael J. Wysocki
2008-03-28 13:50 ` Pavel Machek
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