From mboxrd@z Thu Jan  1 00:00:00 1970
To: 9fans@cse.psu.edu
Subject: Re: [9fans] Plan9/Bochs/kernel panic
In-Reply-To: Your message of "Tue, 11 Nov 2003 09:34:33 GMT."
             <cff820f1.0311101134.4eb3efc3@posting.google.com>
From: "Russ Cox" <rsc@swtch.com>
MIME-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-ID: <80585.1068560046.1@t40.swtch.com>
Message-Id: <E1AJZHY-000Kxn-Jl@t40.swtch.com>
Date: Tue, 11 Nov 2003 09:14:06 -0500
Topicbox-Message-UUID: 871239e4-eacc-11e9-9e20-41e7f4b1d025

> I tried installing Plan9 on Boches (CVS on Debian unstable, kernel
> 2.6.0-test9), but get a strange error when I boot from the floppy.
> The kernel loads and detects the emulated CPU, then dies immediatly
> with a "panic: math emu".  Also interesting is before the "entry:
> 80100020" line, there's this strange line that appears to be some kind
> of computation.  "1267078 => 745652+1116416+83748=1945816.".
>
> Any ideas?

The computation is the boot loader telling you its progress
in loading the kernel.  Disk size => text+data+bss = Mem size.

Beyond that I'm not much help.  Math emu means that the kernel
got a floating point exception, which should not happen.

Russ