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Re: [Xen-devel] Re: PCI passthrough stopped working, brainache!

To: Ian Campbell <Ian.Campbell@xxxxxxxxxx>
Subject: Re: [Xen-devel] Re: PCI passthrough stopped working, brainache!
From: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Date: Tue, 11 Oct 2011 11:54:11 -0400
Cc: Andy Burns <xen.lists@xxxxxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
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> > How can I tell if the iommu=soft is taking effect?
> > Anything stupid I sound like I've forgotten?
> 
> It looks as if you have been pretty thorough. 
> 
> One thing which is not clear is if you also downgraded all the Xen
> utilities/tools packages when you say "Xen packages" or just the
> hypervisor itself. (You probably downgraded everything, but I have to
> ask).
> 
> Does Fedora (yum?) log which packages which it is upgrading? Is it
> possible that e.g. scandvb or the firmware package has also been
> upgraded (I admit this is slightly straw-clutching).
> 
> If you don't passthrough a device are you able to drive it from dom0?
> 
> It would probably be useful to post full dmesg output for hypervisor and
> both kernels.

Andy,

I am going to try to see if I can pass in some of my TV cards in
my guest too. Perhaps that might shed some light.

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