can't boot without "root=..." on kernel cmdline

[Chuck Lever]

On Tue, 25 Jan 2000 almesber en lrc.di.epfl.ch wrote:
> Chuck Lever wrote:
> > without specifying "root=...", the kernel panics on boot with the message
> > "VFS: Cannot open root device 00:80".  i have no idea where it's getting
> > major=0, minor=128.  specifying "root=/dev/sda1" on the LILO: cmdline
> > allows linux to boot correctly.  also the distributed RedHat kernels boot
> > correctly without "root=..."
> 
> Is this plain 2.3.39 or did you make any changes to
> init/main.c:name_to_kdev_t or to include/linux/kdev_t.h:to_kdev_t ?

no changes to either, occurs in several kernel versions.

> First, you should check the output of  lilo -q -v  for the lines that say
> Options: "root=801"  or such. If all of them agree on "root=801", it's
> init/main.c:name_to_kdev_t that is messing things up.

lilo says root=801.  i'll see what's up with name_to_kdev_t.

	- Chuck Lever
--
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personal:	<chucklever en netscape.net> or <cel en monkey.org>

The Linux Scalability project:
	http://www.citi.umich.edu/projects/linux-scalability/


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