RE: [Xen-users] kernel panic when creating domainU

["Petersson, Mats" <Mats.Petersson@xxxxxxx>]

> -----Original Message-----
> From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx 
> [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of 
> Dominik Klein
> Sent: 13 June 2007 11:22
> To: xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [Xen-users] kernel panic when creating domainU
> 
> > You probably DON'T want to use the initrd for Dom0 as a 
> initrd for your
> > guest(s). 
> > 
> > You'll need to set up a separate initrd according to the recipies
> > published in many places on the web. 
> 
> I never did and never had a problem.
> 
> Are you talking about drivers in dom0 initrd you do not need 
> in domU or 
> is there a "real" problem in using dom0 initrd in domU?

Well, in this particular case it looks like the Dom0 initrd is trying to
set up LVM, which is (from how the log appears) isn't available to DomU.


If you have an "uncomplicated" system, it's quite possible to have a
"merged" Dom0/DomU initrd, but as soon as you have something a bit more
complex (e.g. using LVM), it starts to be complicated to make the initrd
work on both DomU and Dom0 at the same time. 

Of course, there's also the drawback that you load drivers that aren't
needed for "the other side", but that's a smaller issue than the fact
that the initrd just plain doesn't work right for the two domains if
they are not "similar enough". 

--
Mats
> 
> Regards
> Dominik
> 
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> 



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