Date: Mon, 25 Aug 2003 14:49:36 +0100
From: viro@parcelfarce.linux.theplanet.co.uk
To: Niklas Vainio <niklas.vainio@iki.fi>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [2.6.0-test4] VFS: Cannot open root device
Message-ID: <20030825134936.GI454@parcelfarce.linux.theplanet.co.uk>
References: <20030825130331.GA20696@vinku.pingviini.net>
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On Mon, Aug 25, 2003 at 04:03:31PM +0300, Niklas Vainio wrote:
> I get this at boot with 2.6.0-test[3,4]:
> 
> VFS: Cannot open root device "341" or unknown-block(3,65) for ext3 error=-6
> Please append a correct "root=" boot option
> Kernel panic: VFS: Unable to mount root fs on unknown-block(3,65)
> 
> Before this, kernel seems to detect hard disks just fine.
> 
> This system boots fine with 2.2 and 2.4 kernels. I have tried setting
> root=/dev/hdb1 and rootfstype=ext2 (hdb1 is ext2) but this doesn't help.
> Config below. Is something missing?

> CONFIG_IDE=y
> CONFIG_BLK_DEV_IDE=y

> # CONFIG_BLK_DEV_IDEDISK is not set

This.  IDE driver will find the hardware, all right, but there will be
nothing that would know how to talk with IDE disks.
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