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On Thu, 26 Dec 2002 16:39:55 -0500 (EST), Robert P. J. Day wrote:

>   (more fun and games from kernel land.)
> 
>   i just built a new kernel, installed modules, tossed the kernel
> into /boot, etc. etc -- the regular stuff.  then edited /etc/grub.conf
> and added a new stanza for the new kernel, almost identical to the
> old stanza, but not "initrd.img" line.
> 
>   the new grub.conf file, with a second vmlinuz stanza:
> 
> ...
> title Red Hat Linux (2.4.18-14)
>       root (hd0,7)
>       kernel /vmlinuz-2.4.18-14 ro root=LABEL=/ hdb=ide-scsi
>       initrd /initrd-2.4.18-14.img
> title Red Hat Linux (2.4.20-2.2)
>       root (hd0,7)
>       kernel /vmlinuz-2.4.20-zaurus ro root=LABEL=/ hdb=ide-scsi
> 
> most of the above was just cut and paste, and the original 2.4.18-14
> kernel has booted nicely all this time.
> 
>   booting the new kernel failed, allegedly couldn't mount the
> root FS "LABEL=/", as if it wasn't capable of translating the fact
> that i was referring to /dev/hda1 by LABEL and not device name.
> 
>   i rebooted and, at the grub menu, just edited that line to say
> "root=/dev/hda1".  no problem.
> 
>   what was *that* all about?  is there some kernel config option
> i might have inadvertantly turned off that allows a grub line to
> say "root=LABEL=/", rather than "root=/dev/hda1"??  i'm puzzled
> by this one.

Hmmm, probably some of the CONFIG_*LABEL options?

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