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Re: [fedora-virt] Can't use network in guests



Mark McLoughlin wrote:
> On Tue, 2009-07-28 at 12:58 +0200, Gianluca Sforna wrote:
>> On Tue, Jul 28, 2009 at 12:29 PM, Mark McLoughlin<markmc redhat com> wrote:
>>> Can you use 'virsh edit' to add e.g.:
>>>
>>>    <interface type='bridge'>
>>>      <mac address='54:52:00:49:73:9a'/>
>>>      <source bridge='br0'/>
>>>    </interface>
>> This leads to another traceback when starting the VM:
> 
> Did you file a bug with the first traceback?
> 
>> Traceback (most recent call last):
>>   File "/usr/share/virt-manager/virtManager/engine.py", line 493, in run_domain
>>     vm.startup()
>>   File "/usr/share/virt-manager/virtManager/domain.py", line 573, in startup
>>     self.vm.create()
>>   File "/usr/lib64/python2.6/site-packages/libvirt.py", line 287, in create
>>     if ret == -1: raise libvirtError ('virDomainCreate() failed', dom=self)
>> libvirtError: internal error Failed to add tap interface 'vnet%d' to
>> bridge 'br0' : No such device
> 
> What exactly is the guest's configuration? Is 'vnet%d' mentioned
> anywhere? What version of libvirt?
> 
>>> See also:
>>>
>>>  http://wiki.libvirt.org/page/Networking#Fedora.2FRHEL_Bridging
>>>  https://fedoraproject.org/wiki/Reporting_virtualization_bugs#Networking
>> Thanks for the pointers, I found this suspicious message in virt-manager.log:
>>
>> [Tue, 28 Jul 2009 12:54:16 virt-manager 3653] ERROR (proxies:400)
>> Introspect error on
>> :1.1:/org/freedesktop/Hal/devices/net_d2_eb_bc_ff_01_a7:
>> dbus.exceptions.DBusException: No device with id
>> /org/freedesktop/Hal/devices/net_d2_eb_bc_ff_01_a7
>> [Tue, 28 Jul 2009 12:54:16 virt-manager 3653] DEBUG (proxies:403)
>> Executing introspect queue due to error
>> [Tue, 28 Jul 2009 12:54:16 virt-manager 3653] ERROR (connection:218)
>> Exception in handler for D-Bus signal:
>> Traceback (most recent call last):
>>   File "/usr/lib/python2.6/site-packages/dbus/connection.py", line
>> 214, in maybe_handle_message
>>     self._handler(*args, **kwargs)
>>   File "/usr/share/virt-manager/virtManager/connection.py", line 170,
>> in _net_phys_device_added
>>     if objif.QueryCapability("net"):
>>   File "/usr/lib/python2.6/site-packages/dbus/proxies.py", line 68, in __call__
>>     return self._proxy_method(*args, **keywords)
>>   File "/usr/lib/python2.6/site-packages/dbus/proxies.py", line 140, in __call__
>>     **keywords)
>>   File "/usr/lib/python2.6/site-packages/dbus/connection.py", line
>> 630, in call_blocking
>>     message, timeout)
>> DBusException: org.freedesktop.Hal.NoSuchDevice: No device with id
>> /org/freedesktop/Hal/devices/net_d2_eb_bc_ff_01_a7
>>
>> still confused...
> 
> Odd, dbus telling us a device has added and then failing to find it.
> Seen this one before Cole?
> 

I don't think so. Filing a bug with both those tracebacks would be best.

Thanks,
Cole


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