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To: <linux-kernel@vger.kernel.org>
Subject: Re: Problems with iso9660 as initrd
In-Reply-To: <Pine.LNX.4.30.0202071316501.21862-100000@outback.escape.de>
From: Christian Laursen <xi@borderworlds.dk>
Date: 07 Feb 2002 23:30:24 +0100
In-Reply-To: <Pine.LNX.4.30.0202071316501.21862-100000@outback.escape.de>
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Matthias Kilian <kili@outback.escape.de> writes:

> On 6 Feb 2002, H. Peter Anvin wrote:
> 
> > > I am building a floppy using a compressed iso9660 filesystem as an
> > > initrd image.
> [...]
> > You definitely are... I don't think anyone else has ever tried running
> > a zisofs off a ramdisk before!
> 
> On for an initrd, it will never work, since initrd checks for minix, ext2
> and romfs only (see drivers/block/rd.c, identify_ramdisk_image()).

It seems you are right. To be more precise it will not work on a ramdisk at
all.

A normal ramdisk will just fail to mount when there's an iso9660 fs on it,
whereas an initrd seems to cause a panic.

I guess it would be nice to output a somewhat friendly error message instead.

Oh well...

After further research I decided to use romfs instead, since it can too be
generated quite easily with a script, and it works quite well.

-- 
Best regards
    Christian Laursen
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