Re: [Xen-users] GPLPV drivers suspected to hinder live migration to different CPU type

[Bart Coninckx <bart.coninckx@xxxxxxxxxx>]

On 03/31/11 01:16, James Harper wrote:
> > On Wednesday 30 March 2011 13:19:06 James Harper wrote:
> >
> > > > I actually did that and in xentop you see the memory being built
> up to
> > >
> > > the
> > >
> > > > actual value and then the DomU just disappears. If you do it the
> other
> > >
> > > way,
> > >
> > > > the machine is migrated, but if you migrate back, the migration
> seems
> > >
> > > to take
> > >
> > > > for ever and the original DomU has crashed with a blue screen.
> > >
> > > What is the BSoD code?
> > >
> > > If you are running the debug version of the driver, there should be
> some
> > > useful stuff in /var/log/xen/qemu-dm-<domu name>.log which could
> help me
> > > debug the problem.
> > >
> > > James
> >
> >
> >
> > By the way James, can I simply test the effect of non-GPLPV drivers by
> > choowing the "other" option while booting (without /GPLPV)? Or should
> I really
> > do a full uninstall?
> It depends on what the problem is. With /NOGPLPV (you don't need /GPLPV
> since version 0.10 - drivers are always active and you use /NOGPLPV to
> disable) the xenvbd 'controller' still appears but doesn't enumerate any
> disks, and the xennet adapter appears but with a cable disconnected
> state (to allow configuring with IP address etc before rebooting), so it
> doesn't disable the drivers completely.
>
> James
I see, better uninstall them then.
Thx!!



B.

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