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Re: [libvirt] Can't get connection to libvirt if one of the guests' monitor is occupied by other app



On Wed, Mar 30, 2011 at 03:38:19PM +0800, Osier Yang wrote:
> Hi,
> 
> As $subject, e.g. the monitor is being used by netcat.
> 
> Is it expected? Should we only skip to reconnect the domain monitor
> which is being locked by other app with a timeout specified on
> "qemuMonitorOpenUnix" (it blocks when trying to connect to the unix
> socket)? so that it can get a connection, and could manage
> other domains.
> 
> How to produce:
> 
> 1) # service libvirtd stop
> 2) # nc -U /var/lib/libvirt/qemu/$guest.monitor
> 3) # virsh (hangs forever if nc process is not killed)

This is user error. Allowing the user to connect to the QEMU
monitor for any libvirt managed QEMU instances is *not*
supported while libvirtd is running. They must remove their
'nc' process before starting libvirtd again.

Daniel
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