Re: Setting up dual-boot on Indigo2 for 6.5 and 5.3...

From: Gerhard Lenerz (lene4401_at_uni-trier.de)
Date: 08/11/04 

Date: Wed, 11 Aug 2004 18:05:22 +0200

["Followup-To:" header set to comp.sys.sgi.admin.]
On 11 Aug 2004 08:39:12 -0700, Ian Mapleson wrote:
> So far, when I run the script on the 6.5 disk, it correctly sets
> SystemPartition and OSLoadPartition, but after rebooting the
> 5.3 startup gives the normal copyright message followed by this error:

Are these all NVRAM variables that are set?

> WARNING: initial mount of root device 0x2000010 failed with errno 22
>
> A few seconds later the screen clears and then this error is displayed:
>
> PANIC: vfs_mountroot: no root found

Maybe it is still trying to mount the root from the 6.5 disk
which is XFS that might not be readable for 5.3.

> Does anyone know what's happening? What is vfs_mountroot? I can't
> find any reference to it on techpubs, and there's no man page for it
> on either installation. I tried using grep to see if any of the scripts
> in /etc would be responsible for printout out either message, but none
> of them are. I'm going through bcheckrc and brc at the moment, trying
> to see how things are initially mounted, but it's a bit of a shell
> script decyphering job. Any ideas?

I guess it's happening way before anything from /etc is executed.
After all... no root filesystem, no "/etc", right?

Gerhard

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