[Fedora-xen] destroydevice

[Guillaume Bougard]

Hi,

I just got the same problem after an update to the last xen & kernel on
FC5 system. I had 4 of my 5 virtual machines up but the 5th did not
start and gave me this 'destroyDevice()' error. I searched a little to
understand I mounted manually the volume disk I use for this machine and
that was the problem... Just unmounting it and retry solved my problem.

So if you have mounted manually the disk image of your virtual machine,
try to unmount it before starting your virtual machine.

Regards,

Guillaume Bougard.

Le mardi 30 janvier 2007 à 22:05 +0000, Daniel P. Berrange a écrit :
> On Tue, Jan 30, 2007 at 11:04:45PM +0100, Jordi Prats wrote:
> > Ok, thank you!
> > 
> > How long will take for the next release?
> 
> Probably a few days before it goes to updates-testing, so don't
> expect it to go to updates for at least a week
>  
> > On the other hand, I can't ignore that error because I can't create any
> > virtual machine, so Xen does nothing. On redhat 5 b2 it happens the
> > same. I've changed my servers to FC6 because of this.
> 
> Urm - read my explanation below again....
> 
> The 'Error: destroyDevice() takes exactly 3 arguments (2 given)' problem
> is *NOT* what is causing your guest to fail. It is merely obscuring the
> underlying failure - an updated RPM will remove up the 'destroyDevice'
> misleading message, but it won't magically make your guest work again.
> 
> The fundamental problem is a configuration issue with your guest's virtual
> disk or networking. Once you fix the config problem, the guest will work
> just fine, with or without an updated RPM for the 'destroyDevice' issue
> 
> > Daniel P. Berrange wrote:
> > > On Tue, Jan 30, 2007 at 10:28:32PM +0100, Jordi Prats wrote:
> > >> Hi,
> > >> It seems there's a problem on 2.6.19-1.2895.fc6xen xen kernel and the xm
> > >> tool: creating a new VM it aborts showing this error:
> > >>
> > >> [root at inf16 ~]# xm create /etc/xen/rata.cfg
> > >> Using config file "/etc/xen/rata.cfg".
> > >> Error: destroyDevice() takes exactly 3 arguments (2 given)
> > >> [root at inf16 ~]#
> > >>
> > >> Anyone knows what is causing this? On the xen-users list there's some
> > >> other messages related to this isue (one mine). Mats Petersson say that
> > >> this may be causes by a backport.
> > > 
> > > Its a bug in one of the other patches we applied to the Xen RPM. I'll fix
> > > it in the next release.
> > > 
> > >> There's something broken on the package? There's any easy workarround?
> > > 
> > > The error above isn't actually the root cause of your problems. What's
> > > happened is that the hotplug scripts for your domain failed to complete
> > > for some reason. Then when XenD is cleaning up from that failure, we
> > > hit the bug above. So wrt to debugging your actual problems, ignore the
> > > error message above. Instead look for a mis-configuration in either your
> > > virtual network card or virtual disk config params.
> 
> 
> Dan.
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