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Date:      Mon, 19 Jul 1999 15:00:13 +0200 (SAST)
From:      Robert Nordier <rnordier@nordier.com>
To:        gmarco@giovannelli.it (Gianmarco Giovannelli)
Cc:        chat@FreeBSD.ORG
Subject:   Re: Installing Linux (and bootblocks)
Message-ID:  <199907191300.PAA20389@ceia.nordier.com>
In-Reply-To: <37931080.C5917A44@giovannelli.it> from Gianmarco Giovannelli at "Jul 19, 1999 01:48:16 pm"

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> Why bootblock won't boot any Linux installation except Debian ?
 
> The data for partition 3 is:
> sysid 131,(Linux filesystem)
>     start 16370235, size 3389715 (1655 Meg), flag 0
>         beg: cyl 1019/ sector 1/ head 0;
>         end: cyl 1023/ sector 63/ head 254
 
> So there are 4 primary partitions, but the boot block which  boot0cfg -B
> wd0 installs is not able to boot linux other than debian 2.1.
 
> Every installation use the same partitions (the last 2) but only Debian
> seems to be able to reboot and restart... 
> Is it possible that it is something related to the HD cyls where the
> Linux kernel finish during installation ?? Debian is the one that
> install less thing at the begin... 
 
This is quite likely to be the case.  When I last looked at the Linux
boot code, it used the standard BIOS int 0x13 interface.  Therefore,
everything that the boot code needs to access must be below cylinder
1024.

-- 
Robert Nordier


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