Re: Re: Some test results on Xen 4.0 and 2.6.31 / 2.6.32 pvops kernels

["Pasi Kärkkäinen" <pasik@iki.fi>]

On Sat, Apr 10, 2010 at 11:26:53AM +0200, Carsten Schiers wrote:
> Hi folks, some progress:
> 
> >> PCI controller / 2nd Function? / working in xen/master-2.6.32.13, not 
> 
> >> working on xen/stable-2.6.32 on Xen 3.4.1
> >> 
> ------------------------------------------------------------------------
> >> ---------------------------------------
> >> 
> >> It will allow passthrough of all mentioned devices except one of the 
> PCI 
> >> controllers. It will not be detected. Using 
> >> xm pci-attach will produce an error:
> >> 
> >>   troi kernel: [   23.862294] ehci_hcd 0000:00:01.1: device not 
> >> available because of BAR 0 [0xfc102000-0xfc1020ff] collisions
> >>   troi kernel: [   61.942809] ohci_hcd 0000:00:01.0: device not 
> >> available because of BAR 0 [0xfc104000-0xfc104fff] collisions
> >> 
> >> I first tried only with the 2nd function (or whatever it is called), 
> but 
> >> as you see, we have the same error with both put into 
> >> the DomU.
> >>
> >
> >Have you seen this wiki page?:
> >http://wiki.xensource.com/xenwiki/XenPCIpassthrough
> >
> >Try the "I get "non-page-aligned MMIO BAR" error when trying to start 
> the guest" thing.. maybe it helps? 
> 
> Did so and move to Xen 3.4.3-rc4 and latest 2.6.18.8 Dom0 kernel. It 
> works now with pvops 2.6.32.10 DomU kernel!!! 
> 
> Thanks Pasi!!!
> 
> Eventually, you may put on the Wiki Page an example with more than one 
> PCI device, so that hectic persons like
> me see better that a) it's without parenthesis and b) a comma separated 
> list ;o).
> 

Actually what's missing from the wiki? :) It already has examples for multiple devices..

-- Pasi