Re: [Xen-users] Debian domU interface naming strangeness

[Alexander Hoßdorf <xen-users@xxxxxxxxxxx>]

And in addition to this ;-)

localhost:~# dmesg|grep -i eth
netfront: Initialising virtual ethernet driver.
netfront: device eth0 has flipping receive path.

This is not an error I think. It's an information.
If a fix mac adress isn't a working solution for you,
you might try to place this on your DomU kernel command line:
'xennet.rx_copy'

This is "copying recieve path".

Perhaps genereally using a newer version of xen hypervisor is also a 
great idea ;-)
Cheers,
Alex


Stephan Seitz schrieb:
> Additionally, add a fixed mac adress to your vif line in your domU 
> config, like
> vif = [ 'mac=nn:nn:nn:nn:nn:nn,brigde=xxxxx' ]
>
> otherwise domU's udev will start counting again on every boot (say, 
> mac address change)
>
>
> Alexander Hoßdorf schrieb:
> > Hi,
> >
> > Have you got persistent mac adress configured for domU?
> > You have a file called /etc/udev/rules.d/z25-persistent-net.rules in 
> > debian DomU.
> > empty it and reboot DomU.
> >
> > Hope this helps.
> >
> > Cheers,
> > Alex
> >
> >
> > Ray Barnes schrieb:
> > > Hi all.  I've got a Debian domU I created from scratch a few weeks
> > > ago.  Every time I rolled it out previously in testing, it worked
> > > fine.  But now it seems to make the ethernet device eth1 rather than
> > > eth0 in the domU:
> > >
> > > localhost:~# ifconfig -a
> > > eth1      Link encap:Ethernet  HWaddr 00:16:3E:3D:A0:30
> > >           BROADCAST MULTICAST  MTU:1500  Metric:1
> > >           RX packets:0 errors:0 dropped:0 overruns:0 frame:0
> > >           TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
> > >           collisions:0 txqueuelen:1000
> > >           RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)
> > >
> > > lo        Link encap:Local Loopback
> > >           inet addr:127.0.0.1  Mask:255.0.0.0
> > >           UP LOOPBACK RUNNING  MTU:16436  Metric:1
> > >           RX packets:0 errors:0 dropped:0 overruns:0 frame:0
> > >           TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
> > >           collisions:0 txqueuelen:0
> > >           RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)
> > >
> > > localhost:~# dmesg|grep -i eth
> > > netfront: Initialising virtual ethernet driver.
> > > netfront: device eth0 has flipping receive path.
> > > localhost:~#
> > >
> > > Note that as eth1, it routes traffic just fine.  I can ifconfig it up
> > > and set an IP address, then get good routed connectivity.  I'm seeing
> > > this eth1 naming issue on dom0s running CentOS 5.0 with the stock Xen
> > > 3.0.3 (yes that means literally 5.0, not a higher minor number), as
> > > well as Cent 5.1 with Xen 3.2.0 compiled from source.  But obviously
> > > it presents a problem since I can't count on consistent naming.
> > >
> > > Thoughts?
> > >
> > > -Ray
> > >
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