Re: Unable to mount root device under .49 (possibly earlier than .47)

Peter T. Breuer (ptb@it.uc3m.es)
Mon, 25 Nov 2002 07:10:38 +0100

> X-X-Sender: zwane@montezuma.mastecende.com
>
> Linux version 2.5.49 (zwane@montezuma.mastecende.com) (gcc version 3.2
> 20020903 (Red Hat Linux 8.0 3.2-7)) #17 SMP Sat Nov 23 15:39:24 EST 2002
>
> What i get at boot is;
>
> kernel /vmlinuz ro root=/dev/hda1
> ...
> VFS: Cannot open root device "hda1" or 00:00
> Please append a correct "root=" boot option
> Kernel panic: VFS: Unable to mount root fs on 00:00
>

I found that on 2.5.47. It turned out that I had to give the devfs
name for the root device. root=/dev/ide/la/la/la.

I had devfs compiled in but not active on boot.

CONFIG_PROC_FS=y
CONFIG_DEVFS_FS=y
# CONFIG_DEVFS_MOUNT is not set
# CONFIG_DEVFS_DEBUG is not set
CONFIG_DEVPTS_FS=y

Peter
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