From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jarek Poplawski <jarkao2@gmail.com>
Subject: Re: [AX25] kernel panic
Date: Thu, 20 Mar 2008 07:30:21 +0000
Message-ID: <20080320073021.GA4037@ff.dom.local>
References: <47DF9D21.20807@free.fr> <20080318212531.GA2031@electric-eye.fr.zoreil.com> <47E0C261.3000106@free.fr> <47E17E2E.9050105@free.fr>
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Cc: Bernard Pidoux F6BVP <f6bvp@free.fr>,
	Francois Romieu <romieu@fr.zoreil.com>,
	Linux Netdev List <netdev@vger.kernel.org>,
	Jarek Poplawski <jarkao2@o2.pl>
To: Bernard Pidoux <bpidoux@free.fr>
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On Wed, Mar 19, 2008 at 09:57:18PM +0100, Bernard Pidoux wrote:
...
> I also tried to revert Jarek's mkiss ax_bump() patch, but this did not  
> prevent
> kernel lockup, although this time swapper is involved and not ax25ipd.
...
> BUG: unable to handle kernel paging request at virtual address 6b6b6c2b
> printing eip: c013fc67 *pde = 00000000
> Oops: 0002 [#1] SMP

Well, the rest looks very similarly and not trivial... Probably a
socket is destructed too soon (or something...). Could you try to
reproduce this with some debugging turned off, e.g.:
CONFIG_DEBUG_LOCK_ALLOC, CONFIG_DEBUG_PAGEALLOC, (CONFIG_SLUB_DEBUG?).

Regards,
Jarek P.