Subject: Re: Kernel panic.. in 3.0 Enterprise Linux
From: Andreas Unterkircher <unki@netshadow.at>
Reply-To: unki@netshadow.at
To: neel vanan <neelvanan@yahoo.com>
Cc: linux-kernel@vger.kernel.org
In-Reply-To: <20040105115610.49148.qmail@web9505.mail.yahoo.com>
References: <20040105115610.49148.qmail@web9505.mail.yahoo.com>
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Date: Mon, 05 Jan 2004 13:21:15 +0100
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have you rebuild your initrd? you have written you
have compile in all needed things - so do you still
need the initrd? if not - try to remove the line...

andreas

Am Mon, den 05.01.2004 schrieb neel vanan um 12:56:
> Hi all,
> 
> The kernel I have working is version 2.4.21-4.EL and I
> can still boot up to that. I compiled a 2.6.0 version
> and installed it in exactly the same way that the old
> version is, just appending 2.6.0 to the end of the
> file. so when I reboot I get a boot screen that shows:
> 
> Red Hat Enterprise Linux AS (2.4.21-4.ELsmp)
> Red Hat Enterprise Linux As-up (2.4.21-4.EL)
> Red Hat linux (2.6.0)
> 
> Enterprise linux still boots up fine but when I try
> and boot up Red Hat linux (2.6.0) I get some ouput and
> then a kernel panic with this message:
> 
> <snip>
> Software Suspend has malfunctioning SMP support.
> Disabled :(
> ACPI: (supports S0 S1 S4 S5)
> RAMDISK: Compressed image found at block 0
> RAMDISK: incomplete write (-1 !=32768) 4194304
> VFS cannot open root device "LABEL=/" or unknown block
> (0,0)
> Please append a correct "root=" boot option
> Kernel panic: VFS: Unable to mount root fs on
> unknown-block(0,0)
> 
> I am running Linux Enterprise Edition version 3.0 on
> my server. It has 2 Xeon processors and 1 U360 scsi
> HD. The whole reason behind my compiling a kernel is
> trying to get support for high memory (this 
> machine has 4 gigs of ram) and multi-processor
> support.
> 
> I'm pretty sure I selected all scsi and driver support
> because when i run the same kernel with RedHat Linux
> 9.0 in same machine it works fine. Everything is
> compiled in and not as modules.
> 
> This is snip of my grub.conf file:
> # grub.conf generated by anaconda
> #
> default=0
> timeout=10
> splashimage=(hd0,0)/grub/splash.xpm
> title RedHat Enterprise Linux AS (2.4.21-4.ELsmp)
> 	root (hd0,0)
> 	kernel /vmlinuz-2.4.21-4.EL ro root=LABEL=/
> 	initrd /initrd-2.4.21-4.EL.img
> title RedHat Linux (2.6.0)
> 	root (hd0,0)
> 	kernel /linux-2.6.0 ro root=LABEL=/
> 	initrd /initrd-2.6.0.img
> 
> Any help would be greatly appreciated! Thanks in
> advance,
> 
> Neel 
> 
> 
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