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[Xen-devel] Re: pci passthrough xhci host controller

To: Sander Eikelenboom <linux@xxxxxxxxxxxxxx>
Subject: [Xen-devel] Re: pci passthrough xhci host controller
From: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Date: Mon, 20 Sep 2010 16:33:44 -0400
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On Wed, Sep 15, 2010 at 11:09:35PM +0200, Sander Eikelenboom wrote:
> Hi Konrad,
> I have changed my setup a bit, using my old workstation as a xen test 
> platform at the moment.
> I'm now running:
> - Xen-unstable                       xen_changeset : Fri Sep 10 19:06:33 2010 
> +0100 22132:3985fea87987
> - Dom0: pvops stable-2.6.32.x        last commit 
> b297cdac0373625d3cd0e6f2b393570dcf2edba6
> - DomU: Own merge of:
>                   -linus 2.6.36(-rc4) tree last commit 
> 9c03f1622af051004416dd3e24d8a0fa31e34178
>                   -your pci-front 0.6 tree
> - Only one domU is running (copy of the one i used before on the other 
> machine)
> - Only one pci-e xhci hostcontroller is passed through (02:00.0)
> - domU is booted with only iommu-soft
> What happens:
>      - domU boots fine, pci device is present, lsusb shows the card, but the 
> grab util can't find the grabber on /dev/video0
>      - The app keeps on trying ..

What was the error with the /dev/video0?
The same as before where the em_8xx died in a horrible death?

>      - What i do see is a continuing stream of suspected kmemleaks in the domU

Hmm.. They aren't huge, they are actually all quite small (64 bytes and 32 
That is all that happens when DomU dies due to OOM going wild?

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