[Fedora-livecd-list] Kernel panic while booting from live cd

[Douglas McClendon]

Sriram Kailasam wrote:
> Hello all,
> I have created a live cd with modified linux kernel using livecd-create tool. Just installing the kernel rpm on the system using rpm -ivh   works fine.
> 
> But when I try booting from the livecd, it gives the following error.

Just starting from the top, looks like possible problems with 
device-mapper mirror support in the kernel/modules.

Try booting with cmdline changed from 'quiet' to 'verbose', and then
also try adding 'shell' or 'eshell'.  If you make it to a shell, try
creating a devicemapper snapshot target manually and see if it works, or
try to figure out why it fails.  Otherwise post the boot messages from a 
verbose run.

cheers...

-dmc




> Loading vlinuz0......................................................................
> Loading initrd0.img.................................................................
> Ready
> Uncompressing Linux... OK, booting the kernel
> ASPI: no DMI BIOS yesr, acpi=force is required to enable ACPI
> PCI: PIX3: Enabling Passive Release on 0000:00:01.0
> Red Hat nash version 6.0.9 starting
> dm_mod: exports duplicate symbol dm_get_mapinfo (owned by kernel)
> insmod: error inserting '/lib/dm-mod.ko': -1 Invalid module format
> dm_mirror: exports duplicate symbol dm_register_dirty_log_type (owned by kernel)
> insmod: error inserting '/lib/dm-mirror.ko': -1 Invalid module format
> device-mapper: zero: register failed -17
> insmod: error inserting '/lib/dm-zero.ko': -1 File exists
> device-mapper: snapshots: snapshot target register failed -17
> insmod: error inserting '/lib/dm-snapshot.ko': -1 File exists
>   Reading all physical volumes. This may take a while...
>   No volume groups found
>   Volume group "VolGroup00: not found
> mount: could not find filesystem '/dev/root '
> setuproot: moving /dev failed: No such file or directory
> setuproot: error mounting /proc failed: No such file or directory
> setuproot: error mounting /sys failed: No such file or directory
> switchroot: mount failed: No such file or directory
> Kernel panic - not syncing: Attempted to kill init!
> 
> 
> I have checked all the RAID and LVM optiions presemt at the make menuconfig stage of kernel compilation.
> 
> 
> Thanks in advance,
> sriram
> 
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