From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ralf Baechle DO1GRB Subject: Re: [PATCH] ax25 Locking fix Date: Sat, 28 Feb 2004 18:26:50 +0100 Sender: linux-hams-owner@vger.kernel.org Message-ID: <20040228172650.GA4106@linux-mips.org> References: <20040213234806.J220@jeroen.pe1rxq.ampr.org> <402D694E.5080802@ccr.jussieu.fr> Mime-Version: 1.0 Return-path: Content-Disposition: inline In-Reply-To: <402D694E.5080802@ccr.jussieu.fr> List-Id: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Bernard Pidoux Cc: Jeroen Vreeken , davem@redhat.com, linux-hams@vger.kernel.org On Sat, Feb 14, 2004 at 12:18:22AM +0000, Bernard Pidoux wrote: > Is there any chance that you could have a look at rose.o module code in > order to fix a kernel panic problem. > If rose module is just installed it can be removed and reinstalled > without problem. > But as soon as I do "ifconfig rose0 2080175502" I have a kernel panic. > Also if I perform a rsattach and try to remove the module then I have a > kernel oops. I assume you meant "ifconfig rose0 hw rose 2080175502"? Without the "hw rose" it's just an obscure way to set the ip address to 12.104.129.142. > Once I had the chance to catch this message from syslog@f6bvp > (f6bvp is the actual name of my Linux machine): > > f6bvp kernel : unregister_net_device : wainting for rose0 to become > free. Usage count =1 > repeats x times ... > > and then I observed a catastrophic PC reboot. Sounds like a problem with reference counting, can't be hard to fix. Ralf