[Xen-users] Hotplug scripts not working?

[chrisbenninger <chrisbenninger@xxxxxxxxx>]

I recently updated my test machine running a custom 2.6.31.10 kernel from Xen 3.4 to Xen 4.0 on Debian squeeze.

At this point I can boot a domU, but only when I have no 'vif' defined in it's config file. When I try and use any form of networking, NAT or bridge I get a kernel Oops:

> (cdrom_add_media_watch() file=drivers/xen/blkback/cdrom.c, line=108) nodename:backend/vbd/1/2049
> (cdrom_is_type() file=drivers/xen/blkback/cdrom.c, line=95) type:0
> blkback: ring-ref 8, event-channel 10, protocol 1 (x86_64-abi)
>
> BUG: unable to handle kernel NULL pointer dereference at 0000000000000008
> IP: [<ffffffff812509b4>] netback_uevent+0x34/0xba
> PGD 0 
> Oops: 0000 [#1] SMP 
> last sysfs file: /sys/devices/xen-backend/vif-2-0/uevent
>
> CPU 0

And after that, I get: 

> Error: Device 0 (vif) could not be connected. Hotplug scripts not working.

Any help would be fantastic!

Chris Benninger

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