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Re: [Xen-users] xen unstable boot problem - Kernel panic - not syncing: VFS
- To: "Petersson, Mats" <Mats.Petersson@xxxxxxx>
- From: "Hardeep Singh" <hardeepguru@xxxxxxxxx>
- Date: Wed, 21 Jun 2006 13:04:05 -0500
- Cc: xen-users@xxxxxxxxxxxxxxxxxxx
- Delivery-date: Wed, 21 Jun 2006 11:04:41 -0700
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Oh no no, my initrd is the one as mentioned in the grub. I guess I messed up in my first post. Sorry for that!
Hardeep
On 6/21/06, Petersson, Mats
<Mats.Petersson@xxxxxxx> wrote:
Is your initrd file called
/boot/initrd.img- 2.6.16.13-xen
or
/boot/initrd-2.6.16.13-unstable
If you give one name
to mkinitrd and another name to grub, it could be the reason it doesn't work...
--
Mats
Sent: 21 June 2006 18:24
To: Petersson,
Mats
Cc: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re:
[Xen-users] xen unstable boot problem - Kernel panic - not syncing:
VFS
Dear Mats,
I'm sure the root partition on the command line
for my vmlinuz is correct.
My grub looks like the
following:
title
Xen
3.0
root
(hd0,0)
kernel
/boot/xen- 3.0.2-2.gz dom0_mem=262144 com1=38400,8n1
sched=bvt
module
/boot/vmlinuz-2.6.16-xen root=/dev/hda1 ro
console=ttyS0
module
/boot/initrd.img-2.6.16-xen
boot
title
Xen 3.0 Unstable
root
(hd0,0)
kernel
/boot/xen-3.0-unstable.gz dom0_mem=262144 com1=38400,8n1
sched=credit
module
/boot/vmlinuz-2.6.16.13-xen root=/dev/hda1 ro
console=ttyS0
module
/boot/initrd.img-
2.6.16.13-xen
boot
title
Ubuntu, kernel
2.6.12-9-686
root
(hd0,0)
kernel
/boot/vmlinuz-2.6.12-9-686 root=/dev/hda1 ro quiet
splash
initrd
/boot/initrd.img-2.6.12-9-686
savedefault
boot
However, the
problem is only with xen-unstable. Xen 3.0 boots fine and is working normally!
Also I am a newbie to all this so could'nt really get you regarding the
drivers!
Please let me know if you need me to provide any additional
information or append a config file!
Regards,
Hardeep Singh
On 6/21/06, Petersson,
Mats <Mats.Petersson@xxxxxxx>
wrote:
Usually,
this is becuase you don't have the right drivers set up in the .config for
your Linux kernel (either as modules or as builtin - if they are built
in, you wouldn't need an initrd). Or you're not specifying the right root
partionion on the command-line for your vmlinuz when you boot it... It's
impossible to say which one of those it is without knowing more about your
setup, both what hardware [including, for example, what partitions
are used for what] and what the commands in grub.conf
are.
Very
likely is that you have either a SATA or SCSI drive, and the drivers
for your SATA/SCSI controller isn't configured into the kernel .config file.
Or you're using an unusual file-system on your root-drive, and this
file-system isn't supported by the default .config.
And yes,
mkinitrd is different for different distributions of Linux, so one set of
arguments for one distribution doesn't necessarily work for another
distritution :-(
I hope this helps.
--
Mats
Hi all,
I'm trying to install xen-unstable on ubuntu. I
downloaded the tarball from the download page. Everything goes on fine until
the compilation. However when I boot xen-unstable this the error I
get:
Kernel panic - not syncing: VFS: Unable to mount root fs
on unknown block (0,0)
I guess this has something to do with the ram
disk image. What I am doing currently is:
depmod -F
/boot/System.map-2.6.16.13-xen 2.6.16.13-xen
mkinitrd -o
/boot/initrd-2.6.16.13-unstable 2.6.16.13-xen
The readme
however says to do this:
mkinitrd -v -f --with=aacraid --with=sd_mod
--with=scsi_mod initrd-2.6.16.13-xen.img 2.6.16.13-xen
But when I do
this, mkinitrd gives an error regarding illegal options. The only ones it
provides are:
-d
confdir Specify an
alternative configuration
directory.
-k
Keep temporary directory used to make the image.
-m command Set the
command to make an initrd image.
-o
outfile Write to
outfile.
-r
root
Override ROOT setting in mkinitrd.conf.
Please help me on how to go
about booting xen-unstable. I desperately need to get it
working!
Regards,
Hardeep
--
hardeep
--
hardeep
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