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Re: 2.6.4 can't mount root xfs

To: linux-xfs@xxxxxxxxxxx
Subject: Re: 2.6.4 can't mount root xfs
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Tue, 16 Mar 2004 20:11:00 +0000
In-reply-to: <20040316195341.GB4059@saytrin.hq.k1024.org>; from iusty@k1024.org on Tue, Mar 16, 2004 at 09:53:41PM +0200
References: <20040316193914.GA1564@palkovic.org> <20040316194423.A4914@infradead.org> <20040316195341.GB4059@saytrin.hq.k1024.org>
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On Tue, Mar 16, 2004 at 09:53:41PM +0200, Iustin Pop wrote:
> Not necesarily. I have (for a long time, on many systems) used devfs and
> boot with grub with /dev/hda5 or such.

With 2.4 kernels you can pass non-devfs names on devfs systems, on 2.6
you can't.

> AFAIK the kernel just parses the
> root device specification into a (major, minor) pair and uses that (i.e.
> the kernel doesn't look into /dev for mounting the root filesystem).

for non-devfs kernel that's true.  In Linux 2.4 a devfs kernel tries to
look it up in devfs in addition and with Linux 2.6 _only_.

> But I could also be very wrong :)

You weren't that wrong actually :)


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