To be honest I'm not really sure of the real source of this problem.I'm not really sure of why this problem occurs but I've been able to solve it in the past doing a rdev on the linux kernel image to indicate that the root fs is /dev/vg00/root. man rdev should help you finding the accurate syntax. By the way I thought the problem was due to grub (since I'm using grub instead of lilo), but it seems that's not the reason.
Fred.
Fred do I understand you correct that this is a lilo issue ? Lilo is not using the option "root=/dev/vg00/root" when booting ?
I would rather say that it's related to the way the parameter /dev/vg00/root is passed to the kernel. Indeed /dev/vg00/root must be translated into a (major,minor) number before be usable by the kernel.
This should be done at the time you ran lilo. With grub the problem is a little bit different since you can change all the parameters at boot time. But I'm pretty sure it is not due to lilo, since I had the same problem using grub instead.
However, each time I've been able to solve the problem by rebooting on a previous working kernel (lvm enabled), and writing the root fs inside the new kernel image using rdev.
BTW, have you been able to boot your new kernel ?
Frederic
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