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Re: [Xen-devel] pciback for usb-controller and usb-storage on x86_64 end

To: Patrick Scharrenberg <pittipatti@xxxxxx>, Xen-Devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] pciback for usb-controller and usb-storage on x86_64 ends in Oops
From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Date: Thu, 02 Nov 2006 07:55:19 +0000
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On 1/11/06 7:19 pm, "Patrick Scharrenberg" <pittipatti@xxxxxx> wrote:

> I tried xen-3.0.3 and latest unstable (12053:874cc0ff214d).
> I use the fedora 2.6.18.1-xen0 since otherwise my sata-controller is not
> detected.
> 
> What can I do?

Is dma_ops == NULL at that point? If not, what value does it have?

You could also check its value immediately after the call to no_iommu_init()
in arch/x86_64/mm/init-xen.c:mem_init(). It should definitely contain a
valid kernel address at that point.

 -- Keir



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