[9311] in linux-scsi channel archive
Re: Kernel Panic at Boot
daemon@ATHENA.MIT.EDU (Karl Hammar)
Mon Aug 7 09:12:42 2000
To: andy.thomas@ic.ac.uk, andy@ic.ac.uk
Cc: bf80979@yahoo.com, linux-kernel@vger.rutgers.edu,
linux-scsi@vger.rutgers.edu
Cc: karl@kalle.csb.ki.se
In-Reply-To: <Pine.LNX.4.20.0008071057090.10778-100000@anahata.ma.ic.ac.uk>
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Message-Id: <20000807131623Z.karl@kalle.csb.ki.se>
Date: Mon, 07 Aug 2000 13:16:23 +0200
From: Karl Hammar <karl@kalle.csb.ki.se>
You can access tha disk via the bios, that is how the kernel in first
place can loaded.
Next we can make a kernel with initrd support. It gives the boot loader
(note not the kernel) the possibility to load a RAM disk (with bios
calls), which the kernel can mount as root. The kernel can then load
the required scsi driver as a module and then mount the real root fs
from disk.
Regards,
/Karl
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Karl Hammar Aspö Data karl@kalle.csb.ki.se
Lilla Aspö 2340 +46 173 140 57 Networks
S-742 94 Östhammar +46 70 511 97 84 Computers
Sweden Consulting
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From: andy thomas <andy@ic.ac.uk>
Subject: Re: Kernel Panic at Boot
Date: Mon, 7 Aug 2000 11:01:03 +0100 (BST)
>
>
> On Sun, 6 Aug 2000, Mahesh Mahadevan wrote:
>
> > Hi All,
> >
> > Please ignore my previous mail.
> >
> > I figured out the cause and solution of the problem (I
> > had to compile the scsi controller driver into the
> > kernel, rather than having it as a module -- which is
> > the default).. sorry for that junk mail..
>
> Systems that boot from a SCSI disk should always have the SCSI driver
> compiled into the kernel. Loading it as a module won't work as how can
> the kernel access the module file from the disk if it has no SCSI driver?
>
> I've seen this happen ;-)
>
> cheers,
>
> Andy
>
>
> -
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