On Sun, Mar 21, 2010 at 11:56:54PM +0100, Paolo Rivetti wrote:
> Thanks Pasi, now works. I used 'guestdev =' which replaced 'reassigndev ='
> ([1]http://xenbits.xensource.com/linux-2.6.18-xen.hg?rev/a3ad7a5f2dcd)
> My final configuration now is:
> title CentOS (2.6.18.8-xen-d2)
> root (hd0,0)
> kernel /xen.gz
> module /vmlinuz-2.6.18.8-xen-d2 ro root=/dev/vg0/lv0 rhgb quiet
> noreboot dom0_mem=1024M pciback.permissive pciback.hide=(01:00.0)
> guestdev=01:00.0 reassign_resources
> module /initrd-2.6.18.8-xen-d2.img
> It was a great effort, but eventually it works. Xen offers a lot of
> functionality but is very complex!
Good to hear it works!
ps. I'm working on adding these things to a wiki page, for easier usage in the
future :)
-- Pasi
> On Mar 21, 2010, at 9:56 PM, Pasi Kärkkäinen wrote:
>
> On Sun, Mar 21, 2010 at 09:19:44PM +0100, Paolo Rivetti wrote:
>
> I can not assign the PCI card to the PV guest.
>
> When I start the machine I get the error: non-page-aligned MMIO BAR
> found
>
> I have the same configuration
>
> I'm using CentOS 5.4 and Xen 3.4.2
>
> I recompiled the kernel enabling PCI Backend inside the kernel (not
> as
>
> module) and PCI Backend Mode to Passthrogh.
>
> This is my grub.conf configuration
>
> title CentOS (2.6.18.8-xen-d2)
>
> root (hd0,0)
>
> kernel /xen.gz
>
> module /vmlinuz-2.6.18.8-xen-d2 ro root=/dev/vg0/lv0 rhgb
> quiet
>
> noreboot dom0_mem=1024M pciback.permissive
> pciback.hide=(0000:01:00.0)
>
> module /initrd-2.6.18.8-xen-d2.img
>
> xm create -c /etc/xen/of0
>
> Using config file "/etc/xen/of0".
>
> Error: pci: 0000:01:00.0: non-page-aligned MMIO BAR found.
>
> There are a lot of emails on the internet, but few solutions, some
> have no
>
> idea what it is?
>
> Did you try the reassigndev= option?
>
> That should fix the "non-page-aligned MMIO BAR found" issue.
>
> -- Pasi
>
> References
>
> Visible links
> 1. http://xenbits.xensource.com/linux-2.6.18-xen.hg?rev/a3ad7a5f2dcd
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