Re: [Xen-users] (no subject)

[Jan Hejl <jh@xxxxxxxxxx>]

Does your kernel support TUN / TAP devices ? How does your DomU config look like?

Dne 10.4.2013 08:57, Mina Jafari napsal(a):

I can't install any guest vm,(I'm trying this on Fedora13 and kernel 3.2.7,compiled as dom0 and xen 4.1.2)
virt-manager connect to xen but when trying to create a new guest it
fails with this error:

Unable to complete install: 'POST operation failed: xend_post: error
from xen daemon: (xend.err 'Device 0 (vif) could not be connected.
Hotplug scripts not working.')'
operation failed: xend_post: error from xen daemon: (xend.err 'Device
0 (vif) could not be connected. Hotplug scripts not working.')
Traceback (most recent call last):
  File "/usr/share/virt-manager/

virtManager/create.py", line 1567, in
do_install
    dom = guest.start_install(False, meter = meter)
  File "/usr/lib/python2.6/site-packages/virtinst/Guest.py", line
1023, in start_install
    return self._do_install(consolecb, meter, removeOld, wait)
  File "/usr/lib/python2.6/site-packages/virtinst/Guest.py", line
1088, in _do_install
    "install")
  File "/usr/lib/python2.6/site-packages/virtinst/Guest.py", line
1059, in _create_guest
    dom = self.conn.createLinux(start_xml, 0)
  File "/usr/lib64/python2.6/site-packages/libvirt.py", line 1277, in
createLinux
    if ret is None:raise libvirtError('virDomainCreateLinux() failed',
conn=self)
libvirtError: POST operation failed: xend_post: error from xen daemon:
(xend.err 'Device 0 (vif) could not be connected. Hotplug scripts not
working.')

and the same problem when creating by commandline.

I'v set up a bridge:
brctl show
bridge name     bridge id               STP enabled     interfaces
br0             8000.0024e8e7bd75       no              eth0
virbr0          8000.000000000000       yes


ifcfg-br0  file :
DEVICE=br0
TYPE=Bridge
BOOTPROTO=dhcp
> NM_CONTROLLED=yes



ifconfig
br0       Link encap:Ethernet  HWaddr 00:24:E8:E7:BD:75
          inet6 addr: fe80::224:e8ff:fee7:bd75/64 Scope:Link
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:7 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:0 (0.0 b)  TX bytes:554 (554.0 b)

eth0      Link encap:Ethernet  HWaddr 00:24:E8:E7:BD:75
          UP BROADCAST MULTICAST  MTU:9000  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)
          Interrupt:36 Base address:0x8000

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:131950 errors:0 dropped:0 overruns:0 frame:0
          TX packets:131950 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:15243838 (14.5 MiB)  TX bytes:15243838 (14.5 MiB)

virbr0    Link encap:Ethernet  HWaddr 00:00:00:00:00:00
          inet addr:#.#.#.#  Bcast:#.#.#.#  Mask:255.255.255.0
          UP 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:0
          RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)

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