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Re: [libvirt] networking



James Bardin wrote:
> Cole Robinson wrote:
>> What virt-manager version are you using?
>> Distro?
> 
> libvirt: 0.4.0-2ubuntu8
> virt-manager: 0.5.3-0ubuntu10
> 
> Distro: Ubuntu 8.04.1 server x86_64
> 
>> Is there anything showing up in the shared device drop
>> down (even if you can't select it?)
>>
> 
> The drop-down activates, but is empty.
> 
>> Also if you could attach ~/.virt-manager/virt-manager.log
>> it might help.
>>
> 
> This group popped up a lot yesterday:
> 
> [Tue, 19 Aug 2008 14:55:19 virt-manager 5811] WARNING (connection:494)
> Unable to list active networks
> [Tue, 19 Aug 2008 14:55:19 virt-manager 5811] WARNING (connection:498)
> Unable to list inactive networks
> [Tue, 19 Aug 2008 14:55:19 virt-manager 5811] ERROR (engine:158) Could
> not refresh connection qemu:///system
> <class 'libvirt.libvirtError'> virConnectListDomainsID() failed Broken pipe
> Traceback (most recent call last):
>   File "/usr/share/virt-manager/virtManager/engine.py", line 152, in _tick
>     self.connections[uri]["connection"].tick()
>   File "/usr/share/virt-manager/virtManager/connection.py", line 550, in
> tick
>     newActiveIDs = self.vmm.listDomainsID()
>   File "/usr/lib/python2.5/site-packages/libvirt.py", line 795, in
> listDomainsID
>     if ret is None: raise libvirtError ('virConnectListDomainsID()
> failed', conn=self)
> libvirtError: virConnectListDomainsID() failed Broken pipe
> 

This is probably from a libvirtd restart while virt-manager
was running. If so, nothing to worry about.

> 
> Here's the output when I try to add a new network device:
> 
> [Wed, 20 Aug 2008 10:57:39 virt-manager 6673] ERROR (connection:158)
> Unable to connect to HAL to list network devices: '%s'<class
> 'dbus.exceptions.DBusException'>
> org.freedesktop.DBus.Error.ServiceUnknown: The name org.freedesktop.Hal
> was not provided by any .service files
> Traceback (most recent call last):
>   File "/usr/share/virt-manager/virtManager/connection.py", line 144, in
> detect_network_devices
>     hal_object = self.bus.get_object('org.freedesktop.Hal',
> '/org/freedesktop/Hal/Manager')
>   File "/var/lib/python-support/python2.5/dbus/bus.py", line 244, in
> get_object
>     follow_name_owner_changes=follow_name_owner_changes)
>   File "/var/lib/python-support/python2.5/dbus/proxies.py", line 241, in
> __init__
>     self._named_service = conn.activate_name_owner(bus_name)
>   File "/var/lib/python-support/python2.5/dbus/bus.py", line 183, in
> activate_name_owner
>     self.start_service_by_name(bus_name)
>   File "/var/lib/python-support/python2.5/dbus/bus.py", line 281, in
> start_service_by_name
>     'su', (bus_name, flags)))
>   File "/var/lib/python-support/python2.5/dbus/connection.py", line 607,
> in call_blocking
>     message, timeout)
> DBusException: org.freedesktop.DBus.Error.ServiceUnknown: The name
> org.freedesktop.Hal was not provided by any .service files
> [Wed, 20 Aug 2008 10:57:47 virt-manager 6673] ERROR (console:106) Cannot
> initialize notification
> systemorg.freedesktop.DBus.Error.Spawn.ExecFailed: Failed to execute
> dbus-launch to autolaunch D-Bus session
> 
> 

This is the problem: we use dbus to contact hal to list
physical net devices on the system, then we probe their
/sys path to determine if they are in a bridge, among
other things.

Make sure hald (or some equivalently named service) is
running. Bar that, you'll probably have to ask the
ubuntu folks.

Thanks,
Cole


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