Kernel panic - not syncing VFS unable to mount root fs on unknown block(hd1,0)

[usama.tariq]

I received below message while restore mondorescue backup, When I boot from ISO. I am testing it on centos5 installed on virtualbox :

> No filesystem could mount root, tried ext2 iso 9660
> Kernel panic - not syncing VFS unable to mount root fs on unknown
> block(hd1,0)

Below is my syslinux/syslinux.cfg file content:

prompt 1
display message.txt
F1 message.txt
F2 boot1.txt
F3 boot2.txt
F4 pxe.txt
default interactive
timeout 300

label interactive
    kernel /vmlinuz
    append initrd=/initrd.img root=/dev/ram0 rw ramdisk_size=182964
interactive apm=0ff devfs=nomount noresume selinux=0 barrier=off
udevtimeout=10
label expert
    kernel /vmlinuz
    append initrd=/initrd.img root=/dev/ram0 rw ramdisk_size=182964 expert
apm=0ff devfs=nomount noresume selinux=0 barrier=off
udevtimeout=10
label compare
    kernel /vmlinuz
    append initrd=/initrd.img root=/dev/ram0 rw ramdisk_size=182964 compare
apm=0ff devfs=nomount noresume selinux=0 barrier=off
udevtimeout=10
label iso
    kernel /vmlinuz
    append initrd=/initrd.img root=/dev/ram0 rw ramdisk_size=182964 iso
apm=0ff devfs=nomount noresume selinux=0 barrier=off
udevtimeout=10
label nuke
    kernel /vmlinuz
    append initrd=/initrd.img root=/dev/ram0 rw ramdisk_size=182964 nuke
apm=0ff devfs=nomount noresume selinux=0 barrier=off
udevtimeout=10
label isonuke
    kernel /vmlinuz
    append initrd=/initrd.img root=/dev/ram0 rw ramdisk_size=182964 isonuke
apm=0ff devfs=nomount noresume selinux=0 barrier=off
udevtimeout=10

---

Kindly guide me how to get rid off this issue ? Moreover i have attached log files as well, please look into it. Below are the details of mondorescue versions:

Mindi-BusyBox v1.21.1-r3332 Mindi 3.0.2-r3578 Mondo-3.2.2-1.rhel5.x86_64 perl-ProjectBuilder 0.14.6-1

Regards, Osama

[Bruno Cornec]

log files are *not* provided

[usama.tariq]

I have attached the logs in zip format and one screenshot while booting.

[usama.tariq]

Kindly let me know How can i fix it ?

[Bruno Cornec]

http://trac.mondorescue.org/wiki/FAQ#Q20Igeterrormessageslikesize4096block-18446744071562067968b_blocknr2147483648whatistheproblem