[libvirt-users] host to VM serial device configuration

Daniel P. Berrange berrange at redhat.com
Fri Jan 14 10:39:38 UTC 2011

On Fri, Jan 14, 2011 at 11:50:01AM +0800, Osier Yang wrote:
> 于 2011年01月12日 23:11, John Paul Walters 写道:
> >Hi,
> >
> >I'm trying to get a virtual serial device up and running between my host
> >and virtual machine with a device name on the host. I'm using libvirt
> >0.8.3 and qemu 0.13.0. The challenge that I'm running into is that I'm
> >able to get a serial device, but I cannot fix it to a pre-defined device
> >name. For example, I'm using the following in my VM's xml file:
> >
> ><serial type='pty'>
> ><source path='/dev/pts/19' />
> ><target port='0' />
> ></serial>
> >
> >As I said this works, but it doesn't set the host side to /dev/pts/19.
> >Is there any way to do this?
> I could reproduce it, trying to find out why.

When using type='type', the source path is an output only
attribute. You can't control it yourself, it is autoassigned
by the kernel as it sees fit.


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