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Re: [Xen-devel] Re: Konrad devel/next-3.0, pci-passthrough not working:

To: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Subject: Re: [Xen-devel] Re: Konrad devel/next-3.0, pci-passthrough not working: Error: pci: PCI Backend and pci-stub don't own device
From: Sander Eikelenboom <linux@xxxxxxxxxxxxxx>
Date: Wed, 22 Jun 2011 16:13:13 +0200
Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Keir Fraser <keir@xxxxxxx>
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Wednesday, June 22, 2011, 4:00:22 PM, you wrote:

> On Tue, Jun 21, 2011 at 09:02:29PM +0200, Sander Eikelenboom wrote:
>> 
>> Tuesday, June 21, 2011, 7:05:25 PM, you wrote:
>> 
>> > On Tue, Jun 21, 2011 at 05:11:42PM +0200, Sander Eikelenboom wrote:
>> >> Hello Konrad,
>> >> 
>> >> Tuesday, June 21, 2011, 4:13:55 PM, you wrote:
>> >> 
>> >> > On Tue, Jun 21, 2011 at 03:41:26PM +0200, Sander Eikelenboom wrote:
>> >> >> Hi Konrad,
>> >> >> 
>> >> >> I'm trying to use a kernel compiled from your devel/next-3.0 branch.
>> >> 
>> >> > Ok, good.
>> >> >> But trying to start a PV guest with pci-passthrough makes xen complain:
>> >> >> 
>> >> >> xm create /etc/xen/domU/production/security.cfg
>> >> >> Using config file "/etc/xen/domU/production/security.cfg".
>> >> >> Error: pci: PCI Backend and pci-stub don't own device 0000:04:00.0
>> >> 
>> >> Ah it seems to be the sysfs indeed, in
>> >> module name: xen_pciback
>> >> driver:      xen-pciback
>> 
>> > This is above (and the sysfs below) is 2.6.39 based and it worked?
>> >> 
>> >> in 3.0 the
>> >> module name: xen_pciback
>> >> driver:      pciback
>> >> 
>> >> Quite a mix of names, and different use of minus and underscore.
>> 
>> > Hmm, you are a right. I somehow I thought I backed up the patch that
>> > used the wrong name (well, not wrong but just incorrect).
>> 
>> So if I understand you correct you will revert the driver name from 
>> xen-pciback to pciback, so no xen change is needed ?

> So this patch:
> f3fc28d52f42220bcce8c2fed12aef2a88c9fadc

>     xen/pciback: revert the name of the PCI driver to 'pciback'.

> should have done the trick but I am not seeing it in the
> devel/xen-pciback-0.6.. Aha! I forgot to push the branch up to git.kernel.org.

> Before I do that, can you cherry-pick that one please and tell
> me if it works? If it does I will stick 'Reported-by' and 'Tested-by'
> on the patch if you are OK with that.

And were exactly do i cherry pick that from ? :-) since you say you haven't 
pushed it :p
If you can attach the patch i will test it right away, sticking the reported 
and tested-by is fine !

--
Sander



-- 
Best regards,
 Sander                            mailto:linux@xxxxxxxxxxxxxx


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