[Libvir] QEMU without KVM

Richard W.M. Jones rjones at redhat.com
Thu May 17 16:02:23 UTC 2007

Steven W. Moyer wrote:
> In any case, the guest domains don't end up with connectivity through the bridge.  I think I'm missing something basic, but it's been a while since I used iptables for anything.

What does 'brctl show' say?

> I also have one error that I'm trying to track down from virt-manager's GUI.  I seem to have something misconfigured with GTK and dbus:
> (virt-manager.py:5482): Gdk-WARNING **: Connection to display localhost:10.0 appears to be untrusted. Pointer and keyboard grabs and inter-client communication may not work as expected.

Try 'ssh -Y' instead of 'ssh -X'

> libvir: QEMU error : internal error cannot create bridge 'virbr0' : File exists

This is probably non-fatal.

> process 5482: D-Bus library appears to be incorrectly set up; failed to read machine uuid: Failed to open "/var/lib/dbus/machine-id": No such file or directory
> See the manual page for dbus-uuidgen to correct this issue.
>   D-Bus not built with -rdynamic so unable to print a backtrace

DBus is only used (I think) if you do things like inserting a new CD 
during the create dialogs.  In any case DBus also fails here without any 
apparent ill-effects.


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