Subject: Re: Unable to start 16th domU
To: Martti Kuparinen <martti.kuparinen@iki.fi>
From: Manuel Bouyer <bouyer@antioche.lip6.fr>
List: port-xen
Date: 04/18/2005 16:57:13
On Mon, Apr 18, 2005 at 01:37:45PM +0300, Martti Kuparinen wrote:
> Hi!
> 
> While trying to create 20 domUs I got this errors with the 16th VM:
> 
> ROOT xen1:~> sh run-xen.sh 16 -c
> Using config file "/xen/conf/netbsd.16".
> Error: Error creating domain: [Errno 22] Invalid argument
> 
> 
> From the logs:
> 
> 
> [2005-04-18 13:24:19 xend] ERROR (SrvBase:162) op=create: Error creating 
> domain: [Errno 22] Invalid argument
> Traceback (most recent call last):
>   File 
> "/usr/pkg/lib/python2.3/site-packages/xen/xend/server/SrvBase.py", line 
> 107, in _perform
>     val = op_method(op, req)
>   File 
> "/usr/pkg/lib/python2.3/site-packages/xen/xend/server/SrvDomainDir.py", 
> line 71, in op_create
>     raise XendError("Error creating domain: " + str(ex))
> XendError: Error creating domain: [Errno 22] Invalid argument
> [2005-04-18 13:24:19 xend] INFO (XendRoot:91) EVENT> xend.console.create 
> [61, 18, 9618]
> 
> 
> According to the "vnconfig -l" the vnd16 is active and I can manually
> mount vnd16a to /mnt.
> 
> If I now halt one of the previously started domUs I can start this
> domain just fine so it seems there's somekind of limit (15) for
> concurrent domUs. Any ideas where that might be defined?

Any message from the dom0 kernel ?
It is possible that there is such a limit, but I didn't notice any in the
NetBSD kernel.

-- 
Manuel Bouyer <bouyer@antioche.eu.org>
     NetBSD: 26 ans d'experience feront toujours la difference
--