Re: [Xen-users] Boot into dom0 "Failed to parse block device name"

["Todd Deshane" <deshantm@xxxxxxxxx>]

On Tue, May 6, 2008 at 12:07 PM, Chris Hane <chrishane@xxxxxxxxx> wrote:
>
>
>
>  Todd Deshane wrote:
>
> > Hi Chris,
> >
> >
> > On Thu, May 1, 2008 at 4:33 PM, Chris Hane <chrishane@xxxxxxxxx> wrote:
> >
> > >  I am trying to install the binary version of xen 3.1.
> > >
> > >  When I boot, after some console output, I get the following:
> > >
> > >  :: Loading Initramfs
> > >  scsi_mod: no version for "struct_module" found: kernel tainted.
> > >  SCSI subsystem intialized
> > >  :: Running Hook [udev]
> > >  :: Loading udev...input: AT Translated Set 2 keyboard as
> /class/inpt/input0
> > >  done.
> > >  :: Running Hook [keymap]
> > >  :: Loading keymap...Cannot find default font
> > >  done.
> > >  :: Running Hook [filesystems]
> > >  :: Loading root filesystem module...
> > >  Attempting to create root device '/dev/sda3'
> > >  ERROR: Failed to parse block device name for '/dev/sda3'
> > >  unknown
> > >  ERROR: root fs cannot be detected.  Try using the rootfstype= kernel
> > > parameter.
> > >  Waiting for devices to settle ...done.
> > >
> > >  Root device '/dev/sda3' doesn't exist, attempting to create it
> > >  ERROR: Failed to parse block device name for '/dev/sda3'
> > >  ERROR: Unable to create/detect root device '/dev/sda3'
> > >  Dropping to a recovery shell... type 'exit' to reboot
> > >
> > >
> > >
> > >  My grub menu is:
> > >  timeout 5
> > >  default 0
> > >  color light-blue/black light-cyan/blue
> > >
> > >  # (0) Arch Linux
> > >  title Arche Linux
> > >  root (hd0,0)
> > >  kernel /vmlinuz26 root=/dev/sda3 ro
> > >  initrd /kernel26.img
> > >
> > >  # (1) Xen 3.1
> > >  title Xen 3.1
> > >  root (hd0,0)
> > >  kernel /xen.gz dom0_mem=524288
> > >  module /vmlinuz-2.6-xen root=/dev/sda3 ro
> > >  module /kernel26xenB.img
> > >
> > >  My fstab is:
> > >  none  /dev/pts   devpts   defaults   0 0
> > >  none  /dev/shm   tmpfs    defaults   0 0
> > >
> > >  /dev/cdrom /mnt/cdrom   iso9660  ro,user,noauto,unhide  0 0
> > >  /dev/fd0 /mnt/fd0       vfat     user,noauto            0 0
> > >  /dev/sda1 /boot         ext2     defaults               0 1
> > >  /dev/sda2 swap          swap     defaults               0 0
> > >  /dev/sda3 /             ext2     defaults               0 1
> > >  /dev/sda4 /home         ext2     defaults               0 1
> > >
> > >
> > >
> > >  Any help would be appreciated.
> > >
> > >
> >
> > Looks like you are  missing a module in your initrd
> >
> > Did you build the file: kernel26xenB.img with the kernel modules that
> > were in the downloaded binary package?
> >
> >
>
>  I just rebuild the image with the following command and am getting the same
>  error message.
>
>  mkinitcpio -k 2.6.18-xen -g /boot/kernel26xenB.img
>
>  /etc/mkinitcpio.conf is:
>  MODULES="ata_piix ext3"
>  BINARIES=""
>  FILES=""
>  HOOKS="base udev autodetect ide pata scsi sata keymap filesystems"
>
>  I also reinstalled the underlying os that I am building on so that the
> filesystem of sda3 is ext3.
>
>  Any thoughts on what I am doing wrong?
>

I have always built with mkinitrd or mkinitramfs. Did you try using
those directly?

Also did you check /lib/modules/<the xen linux kernel> for the
module(s) that it
might be missing and/or complaining about?

>  Chris....
>
>
>
>
>
>
>
>
> > Cheers,
> > Todd
> >
> >
> > >  Thanks,
> > >  Chris....
> > >
> > >
> > >
> > >
> > >
> > >
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> > >  http://lists.xensource.com/xen-users
> > >
> > >
> >
> >
>
>
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