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xen-devel
RE: [Xen-devel] help! error in creating a new domain
Hi Xin,
Looks like your root partition does not have the label "/". In general I
prefer referring to partitions by their device name rather than label
because thy are more explicit (and labels can be confusing if you clone
file-systems).
Anyways, try passing root=/dev/<partition> to XenoLinux and check
/etc/fstab on that partition to contain device names rather than labels.
If that doesn't help please post the kernel command line (should be
printed out on the console) and the content of /etc/fstab and a
description of your harddisk layout (partitions etc.)
Thanks
Rolf
> -----Original Message-----
> From: xen-devel-admin@xxxxxxxxxxxxxxxxxxxxx [mailto:xen-devel-
> admin@xxxxxxxxxxxxxxxxxxxxx] On Behalf Of Xin Zhao
> Sent: 24 July 2004 01:25
> To: Steven Hand
> Cc: xen-devel@xxxxxxxxxxxxxxxxxxxxx
> Subject: Re: [Xen-devel] help! error in creating a new domain
>
> Thanks for Steven's kind help.
>
> I tried the ways you suggested. For method a and b, they do not solve
the
> problem and I think my configuration is nothing to do with cdrom.
>
> So I copy all directories from my normal root filesystem including
/proc
> and /etc/grub.conf. Xen stops complaining "kmod: failed to exec
> /sbin/modprobe -s -k binfmt-9653, errno = 8". Now the system seems to
> start to boot up. However, it starts to complain the following things:
>
> modprobe: Can't locate module usbcore
> [1] Initializing USB controller (ehci-hcd): modprobe: Can't locate
module
> ehci-hcd
> [1] [FAILED]
> [1] Initializing USB controller (usb-uhci): modprobe: Can't locate
module
> usb-uhci
> [1] [FAILED]
> [1] Checking root filesystem
> [1] Couldn't find matching filesystem: LABEL=/
> [1] [FAILED]
> [1]
> [1] *** An error occurred during the file system check.
> [1] *** Dropping you to a shell; the system will reboot
> [1] *** when you leave the shell.
> [1] Give root password for maintenance
>
> Note that the last complaint "Couldn't find matching filesystem:
LABEL=/"
> seems to be fatal, because the system exits after I input the root
> password.
>
> But what else should I do to fix the problem?
>
> Thanks.
>
> Xin
>
>
> On Fri, 23 Jul 2004, Steven Hand wrote:
>
> >
> > >When I tried to create a new domain "domain 1", I followed the Yan-
> Ching
> > >CHU's guide on :installing quick file systems for new domains in
Xen
> 1.2".
> > >But when I do "xc_dom_create.py -Dvmid=1", Xen seems to start to
boot
> with
> > >some normal bootup information, but right after several proper
> messages,
> > >Xen dump many messages "kmod: failed to exec /sbin/modprobe -s -k
> > >binfmt-9653, errno = 8". I was stuck at this problem for several
days.
> > >Please help.
> >
> > Looks like a problem with trying to access a zisofs cd from dom1
using
> > a kernel which doesn't understand that. Two things to try:
> >
> > a) when you compile xenolinux-2.4.25 ensure that you have zisofs
> > support configured in, and/or
> >
> > b) check the config for dom1 to determine why it's trying to
access
> > the CD [which I guess may hold a 1.2 demo disk?]
> >
> > Note that in general you're better to just put an entire copy of the
> > normal root filesystem [used by linux on its own, or by domain 0]
onto
> > a new partition for domain 1; trying to use the stripped down
version
> > of stuff on the demo CD is generally less sane.
> >
> > cheers,
> >
> > S.
> >
> >
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>
>
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