[Xen-users] Virtual networking failed.

["Michael Luich" <mluich@xxxxxxxxxxxxxxx>]

All of the sudden after the whole system was restarted my virtual 
networking has stopped working. Here is en excerpt from the xend-debug.log:

[2006-08-14 10:23:04 xend] DEBUG (image:183) vcpus          = 1
[2006-08-14 10:23:04 xend] DEBUG (image:184) features       =
[2006-08-14 10:23:09 xend] DEBUG (blkif:24) exception looking up device 
number f
or xvda: [Errno 2] No such file or directory: '/dev/xvda'
[2006-08-14 10:23:09 xend] DEBUG (DevController:110) DevController: writing 
{'vi
rtual-device': '51712', 'backend-id': '0', 'state': '1', 'backend': 
'/local/doma
in/0/backend/vbd/3/51712'} to /local/domain/3/device/vbd/51712.
[2006-08-14 10:23:09 xend] DEBUG (DevController:112) DevController: writing 
{'do
main': 'war', 'frontend': '/local/domain/3/device/vbd/51712', 'dev': 
'xvda', 'st
ate': '1', 'params': '/var/xen/war', 'mode': 'w', 'frontend-id': '3', 
'type': 'f
ile'} to /local/domain/0/backend/vbd/3/51712.
[2006-08-14 10:23:09 xend] DEBUG (DevController:110) DevController: writing 
{'ba
ckend-id': '0', 'mac': '00:16:3e:77:8b:8b', 'handle': '0', 'state': '1', 
'backen
d': '/local/domain/0/backend/vif/3/0'} to /local/domain/3/device/vif/0.
[2006-08-14 10:23:09 xend] DEBUG (DevController:112) DevController: writing 
{'ma
c': '00:16:3e:77:8b:8b', 'state': '1', 'handle': '0', 'script': 
'/etc/xen/script
s/vif-bridge', 'frontend-id': '3', 'domain': 'war', 'frontend': 
'/local/domain/3
/device/vif/0'} to /local/domain/0/backend/vif/3/0.
[2006-08-14 10:23:10 xend.XendDomainInfo] DEBUG (XendDomainInfo:701) Storing VM
details: {'uuid': '4c9f5e0a-31f4-ad7c-d9a6-84467d73e511', 'on_reboot': 
'restart'
, 'start_time': '1155565390.11', 'on_poweroff': 'destroy', 'name': 'war', 
'vcpus
': '1', 'vcpu_avail': '1', 'memory': '128', 'on_crash': 'restart', 'image': 
"(li
nux (ramdisk /var/lib/xen/initrd.cO5sdg) (kernel 
/var/lib/xen/vmlinuz.tf9Mh8) (a
rgs 'ro root=/dev/VolGroup00/LogVol00'))", 'maxmem': '128'}
[2006-08-14 10:23:10 xend.XendDomainInfo] DEBUG (XendDomainInfo:736) 
Storing dom
ain details: {'console/ring-ref': '9145', 'console/port': '2', 'name': 
'war', 'c
onsole/limit': '1048576', 'vm': '/vm/4c9f5e0a-31f4-ad7c-d9a6-84467d73e511', 
'dom
id': '3', 'cpu/0/availability': 'online', 'memory/target': '131072', 
'store/ring
-ref': '9150', 'store/port': '1'}
[2006-08-14 10:23:10 xend.XendDomainInfo] DEBUG (XendDomainInfo:919) 
XendDomainI
nfo.handleShutdownWatch
[2006-08-14 10:23:11 xend] DEBUG (DevController:143) Waiting for devices vif.
[2006-08-14 10:23:11 xend] DEBUG (DevController:149) Waiting for 0.


The domains config file:
ame = "mail3"
memory = "128"
disk = [ 'file:/var/xen/mail3,xvda,w' ]
vif = [ '' ](xend-http-server yes)
bootloader="/usr/bin/pygrub"

on_reboot   = 'restart'
on_crash    = 'restart'

and xen's:

(xend-http-server yes)
(xend-relocation-server yes)
(xend-address localhost)
(xend-relocation-hosts-allow '^localhost$')
(network-script network-bridge)
(vif-script vif-bridge)
(dom0-min-mem 64)
(dom0-cpus 0)





--
Michael Luich
Software Developer
mluich@xxxxxxxxxxxxxxx
_________________________________________
Life's but a walking shadow, a poor player That struts and frets his hour 
upon the stage And then is heard no more: it is a tale Told by an idiot, 
full of sound and fury, Signifying nothing.
                                William Shakespeare

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