You need a tun(4) device per qemu '-net tap' argument, sometimes multiple per qemu instance, sometimes none per qemu instance..
Thanks, Penned by Rogier Krieger on 20100202 16:51.31, we have: | On Tue, Feb 2, 2010 at 15:27, Matthias Pfeifer <[email protected]> wrote: | > [...] Then the second: | <snip> | > this gives me a " cannot create /dev/tun0: Device busy " | | If I'm not mistaken, you need separate tun(4) devices per qemu | instance. The reason for that lies in the device being ready for | simultaneous use only by a single process. | | To quote tun(4): | Each device has the exclusive open property; it cannot be opened if it is | already open and in use by another process. | | If I misunderstood, feel free to correct me. | | Regards, | | Rogier -- Todd Fries .. [email protected] _____________________________________________ | \ 1.636.410.0632 (voice) | Free Daemon Consulting, LLC \ 1.405.227.9094 (voice) | http://FreeDaemonConsulting.com \ 1.866.792.3418 (FAX) | 2525 NW Expy #525, Oklahoma City, OK 73112 \ sip:[email protected] | "..in support of free software solutions." \ sip:[email protected] \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\ 37E7 D3EB 74D0 8D66 A68D B866 0326 204E 3F42 004A http://todd.fries.net/pgp.txt

