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Cannot use UUID with self-compiled kernel (Hardy)

Mumia W.

2008-07-25

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Hello. I'm having a problem with a self-compiled kernel. I can't use
UUID to specify my root partition; however, using "root=/dev/sda8"
works. When I try to boot using the UUID, I get this:

> VFS: Cannot open root device "xxxxx" or unknown-block(0,0)

That's somewhat annoying as you can imagine. I triple-checked to be sure
that my kernel contains everything needed to boot. Here is the boot
stanza that fails (with the UUID value removed):

> title     Ubuntu 8.04.1, kernel 2.6.26-beamer1
> root     (hd0,7)
> kernel     /boot/vmlinuz-2.6.26-beamer1 root=UUID=[...] ro quiet
splash
> quiet

However, this boot stanza succeeds:

> title     Ubuntu 8.04.1, kernel 2.6.26-beamer1
> root     (hd0,7)
> kernel     /boot/vmlinuz-2.6.26-beamer1 root=/dev/sda8 ro
> boot

It's the UUID that's failing, but I can't find where I can enable UUID's
in my kernel. Note that I'm not using an initrd--everything should be
compiled into the kernel.

Here is my config file:

http://home.earthlink.net/~mumia.w.18.spam/docs/uuid.config.txt

I'm using the kernel from kernel.org compiled for i386. I'm so close;
please help me get UUIDs working the way they should.



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