You need to run e.g.:
depmod -a 2.6.16-xen

James
Srinivasan S wrote:

Hi James
I tried this and got the error message ..
No dep file found for kernel

I then tried copying the modules.dep file from the stock fc5 kernel and tried mkinitrd again. It went through and created the initrd.

I then tried booting with the new initrd .. it works but a number of modules .. 
espescially network interfaces (eth0, eth1) do not load and produce errors.
Any idea where I need to get the modules.dep file from ? Or am I missing 
something else ?
Cheers
Srini

----- Original Message -----
From: "James Bulpin" <james@xxxxxxxxxxxxx>
To: "Srinivasan S" <ssrini@xxxxxxxxxxxxx>
Subject: Re: [Xen-users] Fedora Core 5 boot problems
Date: 2006年4月14日 14:56:27 +0100
If you install from tarball you need to create this yourself, e.g.:
 /sbin/mkinitrd /boot/initrd-2.6.16-xen.img 2.6.16-xen
(and update grub)

The install.sh script does not do this automagically because initrd generation is distribution-specific.

James
Srinivasan S wrote:

Thanks for a prompt response ..
I could not find any initrd for the Xen 3.o in my /boot ..
Do I need to do a mkinitrd ? Any hints will help
Regards
Srini

----- Original Message -----
From: "James Bulpin" <james@xxxxxxxxxxxxx>
To: "Srinivasan S" <ssrini@xxxxxxxxxxxxx>
Subject: Re: [Xen-users] Fedora Core 5 boot problems
Date: 2006年4月14日 14:37:05 +0100

You're using the kernel from the binary tarball and the initrd from the FC5 non-Xen kernel. To a first approximation kernel version and modules (in the initrd) must match.

James
Srinivasan S wrote:

Hi
I had Xen 2.x running peacefully on FC4 .. sigh.

Yesterday I upgraded to FC5 and also downloaded and installed the new Xen version 3.x from xensource.com .. I installed via the precompiled tarball.

My grub entries loook like this:
title Xen 3.0 (Fedora/XenLinux 2.6)
 root (hd0,4)
 kernel /xen.gz dom0_mem=260000
 module /vmlinuz-2.6-xen root=/dev/sda6 ro console=tty0
 module /initrd-2.6.15-1.2054_FC5.img
 boot
My /etc/fstab looks like this:

/dev/sda6 / ext3 defaults 1 1

LABEL=/boot /boot ext3 defaults 1 2
none /dev/pts devpts gid=5,mode=620 0 0
none /dev/shm tmpfs defaults 0 0
none /proc proc defaults 0 0
none /sys sysfs defaults 0 0
/dev/sda7 swap swap defaults 0 0
...
Fedora is installed on a SATA hard disk, partition /dev/sda6

Xen boots and then soon after reports a kernel panic and after a few seconds reboots .. I was unable to get the messages before the last screen but managed to capture the last messages on screen .. reported below.

...
Loading jbd.ko module
jbd: disagrees about version of symbol struct_module
insmod: error inserting /lib/jbd.ko: -1 invalid module format
Loading ext3.ko module
ext3: disagrees about version of symbol struct_module
insmod: error inserting /lib/ext3.ko: -1 invalid module format
Creating root device
Mounting root filesystem
mount: could not find filesystem '/dev/root'
Setting up other filesystems
Setting up new root fs
setuproot: moving /dev failed: No such file or directory
no fstab.sys, mounting internal defaults
setuproot: error mounting /proc: no such file or directory
setuproot: error mounting /sys: no such file or directory
Switching to new root and running init
unmounting old /dev
unmounting old /proc
unmounting old /sys
switchroot: mount failed: no such file or directory
Kernel panic - not syncing: Attempted to kill Init:
And then the system quickly reboots.
Any help to fix this is appreciated.
Regards
Srini

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