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SubjectRe: 2.1.21 booting problem...

> > It seems that when I try to boot with 2.1.21 it oops's right after init
> > says "remounting root partition read write", something about being
> > unable to handle a "null reference pointer" or something to that effect.
> > I can get the actuall oops message if it's required(I really don't want
> > to because it isn't logged, and I'd have to copy it by hand ;/ ).
> > Anyway, is this aa commom problem? and yes, I'm running init 2.69.
> > Thanks,
> > nerull@home.virtual-pc.com
> >
>
> I second that problem. (Also not wanting to copy out and type back the
> oops... I am booting umsdos, so I thought it had something to do with
> that.

This is fixed in Alan's patches...or, do it yourself w/ this handy tidbit
fm Linus (posted just yesterday):

----Forwarded Message----
From torvalds@cs.Helsinki.FIThu Jan 16 10:35:25 1997
Date: Wed, 15 Jan 1997 03:08:30 +0200 (EET)
From: Linus Torvalds <torvalds@cs.Helsinki.FI>
To: Aaron Tiensivu <tiensivu@pilot.msu.edu>
Cc: Linux Kernel Digest <linux-kernel@vger.rutgers.edu>
Subject: Re: [2.1.21] Instant death

On Tue, 14 Jan 1997, Aaron Tiensivu wrote:
> Subject: [2.1.21] Instant death
>
> I did a clean compile off of the source of linux-2.1.21.tar.gz
>
> It'll die after this:
> VFS: Mounted root (ext2 filesystem) readonly.
>
> Instantly.. it complains of a NULL dereference from virtual address 00000000,
> in the process 'swapper'. I did not write down the specifics, but I assume
> that others are going to run into this problem.

It's due to init/main.c - the "execve(execute_command.." stuff. Add a test
that execve_command is non-zero before that execve and you should be ok.

Sorry for that, I never saw it on my intel machine due to the way the
mappings are set up. It was obvious on the alpha, though..

Linus




--
He feeds on ashes; a deluded mind has led him Adam Bradley, UNCA Senior
astray, and he cannot deliver himself or say, Computer Science
"Is there not a lie in my right hand?" Isaiah 44:20
bradley@cs.unca.edu http://www.cs.unca.edu/~bradley <><


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