[Xen-users] no network interface device drivers

[awg1@xxxxxxx]

I've just moved my Dom0 from Fedora 19 to Centos 6.5 with the 3.12 kernel 
(http://wiki.centos.org/HowTos/Xen/Xen4QuickStart). ÂI have a standard bridge 
networking setup (external facing bridge to provide internet connectivity for 
DomUs, and internal bridges for local networks). ÂFrom some reason, with the 
CentOS setup, my DomUs can no longer connect to the external internet. ÂI've 
done various trouble shooting exercises including removing and adding back 
network interfaces, creating new DomUs, checking the logs, changing IPs but no 
luck. ÂHowever I did notice this in the console output of a new machine I was 
trying to create:

[ Â Â1.246218] Mobile IPv6
[ Â Â1.247110] NET: Registered protocol family 17
[ Â Â1.248009] Registering the dns_resolver key type
[ Â Â1.249084] registered taskstats version 1
[ Â Â1.250029] XENBUS: Device with no driver: device/vbd/51712
[ Â Â1.250986] XENBUS: Device with no driver: device/vif/0
[ Â Â1.251933] XENBUS: Device with no driver: device/vif/1
[ Â Â1.252877] /build/linux-rrsxby/linux-3.2.51/drivers/rtc/hctosys.c: unable 
to open rtc device (rtc0)
[ Â Â1.254630] Initializing network drop monitor service
[ Â Â1.255851] Freeing unused kernel memory: 576k freed
[ Â Â1.256916] Write protecting the kernel read-only data: 6144k
[ Â Â1.260591] Freeing unused kernel memory: 652k freed
[ Â Â1.261930] Freeing unused kernel memory: 688k freed
[ Â Â1.323063] Initialising Xen virtual ethernet driver.

From my reading, it seems the network interface is missing a driver which 
would, of course, explain my problems. ÂI checked the archives and the "XENBUS: 
Device with no driver" issue seems to have occurred back with xen 3.1 but I 
couldn't find much more about it since.

Does anyone have any suggestions?

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