Re: [Xen-users] PV networking issue in 2.6.38.6 and 2.6.39-rc7

[Mario <mario@xxxxxxxxxxxxxx>]

On 05/15/2011 05:53 PM, Pasi Kärkkäinen wrote:
> On Sun, May 15, 2011 at 02:36:11PM +0200, Mario wrote:
> > Hey everyone,
> >
> > I have been trying to make Xen-4.1.0 work on kernels mentioned in the
> > subject, without much sucess. HVM guests are not affected, only PV.
> Below you mention gentoo xenlinux patches..
>
> So please be more specific about which kernel was vanilla (pvops),
> and which kernels had some external patches applied..
>
> -- Pasi
Sorry, both kernels in subject were vanilla from kernel.org, with xen 
options selected for dom0 usage.
I only wanted to point out that networking works if i use kernel patched 
with rebased gentoo patches.
I am talking only about dom0 kernel here, domU kernel does not seem to 
be the source of the problem.

> > Error that i see in dmesg on the domU:
> > XENBUS: Timeout connecting to device: device/vif/0 (state 1)
> >
> > ifconfig -a on domU shows MAC address: 00:00:00:00:00:00
> >
> > dom0 doesn't have any vif/tap interfaces assigned to domU when i do
> > brctl show or ifconfig -a
> >
> > I don't see any errors worth mentioning in /var/log/xen, except mybe
> > these two:
> >
> > /tmp/SBo/xen-4.1.0/tools/ioemu-qemu-xen/hw/xen_blktap.c:628: Init blktap
> > pipes
> > Could not open /var/run/tap/qemu-read-2
> >
> > Problem goes away when i boot 2.6.34.7 (it is the last kernel that i
> > have built with gentoo rebased patches).
> >
> > If there is something i can do to help debug this please do let me know.
> >
> >
> > Best regards,
> > mario
> >
> > _______________________________________________
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> > Xen-users@xxxxxxxxxxxxxxxxxxx
> > http://lists.xensource.com/xen-users
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