i am trying to install slitaz-cooking on my lvm partition with HD installation mode(http://doc.slitaz.org/en:handbook:installation).
and write the commline line to the grub.cfg:
//////
menuentry "Slitaz Linux (on /dev/mapper/Linux_os-Slitaz)" {
insmod lvm
insmod ext4
set root='(Linux_os-Slitaz)'
linux /vmlinuz-2.6.30.6-slitaz root=/dev/mapper/Linux_os-Slitaz
}
/////

finally it boot and faild with the words on the screen:
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)

it seems that it cound not find the lvm partition...however i just guess it....

sorry for my poor english

please help me..