netdev - Re: CPU: 0 Not tainted (3.1.9+ #1) when ifconfig rose0 down

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Message-ID: <20120803143200.GE10211@belle.intranet.vanheusden.com>
Date:	Fri, 3 Aug 2012 16:32:00 +0200
From:	folkert <folkert@...heusden.com>
To:	"Eric W. Biederman" <ebiederm@...ssion.com>
Cc:	Bernard Pidoux <bernard.pidoux@...e.fr>,
	linux-hams <linux-hams@...r.kernel.org>,
	Linux Netdev List <netdev@...r.kernel.org>
Subject: Re: CPU: 0 Not tainted  (3.1.9+ #1) when ifconfig rose0 down

> You might want to simply try moving unregister_netdevice_notifier a bit
> earlier in rose_exit and see if that helps.  Otherwise I would recommend
> instrumenting the code up with some printk so you can understand what
> part of unregistration is failing.

Or bisect! Give e.g. the oldest 2.6 kernel a try to find a last known
good and then do a bisect upto a known bad kernel.


Folkert van Heusden

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