Re: [Xen-users] Fedora Core 5 boot problems

[James Bulpin <james@xxxxxxxxxxxxx>]

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: Fri, 14 Apr 2006 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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