linux-kernel - Re: Q: new kernel not booting (init segfaults) : how to debug ?

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Message-ID: <46F81ADD.1030205@redhat.com>
Date:	Mon, 24 Sep 2007 16:15:25 -0400
From:	Chuck Ebbert <cebbert@...hat.com>
To:	Danny ter Haar <dth@....net>
CC:	LKML <linux-kernel@...r.kernel.org>
Subject: Re: Q: new kernel not booting (init segfaults) : how to debug ?

On 09/24/2007 03:24 PM, Danny ter Haar wrote:
> System: firewall
> -Epia 5000 via c3 system 
> -bios 2.07 (latest available, upgraded from 1.09 with same behaviour)
> -128Mb flash memory (ide emulation)
> -256mb ram
> -voyage linux (debian based)
> Runs "standard" kernel just fine, 2.6.22.17 also compiles/runs
> where as 2.6.23-rcX wont
> 
> Typed over from screenshot:
> 
> ---------------------------------------
> NET: Registered protocol family 1
> NET: Registered protocol family 17
> Using IPI Shortcut mode
> Freeing unused kernel memory: 148k freed
> init[1]: segfault at 85890000 eip 85890000 esp bfcfcb8c error 4
> init[1]: segfault at 85890000 eip 85890000 esp bfcfcb8c error 4
> init[1]: segfault at 85890000 eip 85890000 esp bfcfcb8c error 4
> init[1]: segfault at 85890000 eip 85890000 esp bfcfcb8c error 4
> init[1]: segfault at 85890000 eip 85890000 esp bfcfcb8c error 4
> init[1]: segfault at 85890000 eip 85890000 esp bfcfcb8c error 4
> init[1]: segfault at 85890000 eip 85890000 esp bfcfcb8c error 4
> init[1]: segfault at 85890000 eip 85890000 esp bfcfcb8c error 4
> init[1]: segfault at 85890000 eip 85890000 esp bfcfcb8c error 4
> init[1]: segfault at 85890000 eip 85890000 esp bfcfcb8c error 4
> printk: 788820 messages suppressed.
> ---------------------------------------
> 
> The only thing changed is the kernel.
> I'm just plain flabbergasted about why this occurs and complete
> lost how to debug/persue this any further.
> 
> Kernel config/systemmap etc at http://www.dth.net/kernel/c3/
> 

What address is that in your init?
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