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xen-users
RE: [Xen-users] GPLPV drivers suspected to hinder live migration to diff
>
> 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
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