Comment 3 for bug 205450

Additional information:

Attaching bootup process that dies at:
   0.242383] /build/buildd/linux-2.6.24/debian/build/custom-source-xen/drivers/rtc/hctosys.c: unable to open rtc device (rtc0)
[ 0.242392] Freeing unused kernel memory: 216k freed
Loading, please wait...
Begin: Loading essential drivers... ...
[ 0.459390] fuse init (API version 7.9)
[ 0.478378] thermal: Unknown symbol acpi_processor_set_thermal_limit
Done.
Begin: Running /scripts/init-premount ...
Done.
Begin: Mounting root file system... ...
Begin: Running /scripts/local-top ...
Done.
Begin: Waiting for root file system... ...
Done.
 Check root= bootarg cat /proc/cmdline
 or missing modules, devices: cat /proc/modules ls /dev
ALERT! /dev/sda2 does not exist. Dropping to a shell!

BusyBox v1.1.3 (Debian 1:1.1.3-5ubuntu12) Built-in shell (ash)
Enter 'help' for a list of built-in commands.

(initramfs)

complete boot process and output of the following atached:

cat /proc/cmdline, cat /proc/modules and ls /dev