From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jarek Poplawski Subject: Re: 2.6.30-rc1: e1000: list_add corruption Date: Thu, 9 Apr 2009 07:12:42 +0000 Message-ID: <20090409071242.GA5515@ff.dom.local> References: <20090408.212040.184687004.davem@davemloft.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: a.beregalov-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, kernel-testers-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, e1000-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org To: David Miller Return-path: Content-Disposition: inline In-Reply-To: <20090408.212040.184687004.davem-fT/PcQaiUtIeIZ0/mPfg9Q@public.gmane.org> Sender: kernel-testers-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: netdev.vger.kernel.org On 09-04-2009 06:20, David Miller wrote: > From: Alexander Beregalov > Date: Thu, 9 Apr 2009 08:16:00 +0400 > >> The host has two interfaces >> eth0 - e1000, eth1 - forcedeth. >> Both are not working after that messages. > > It looks like the NAPI pending list is being modified in an illegal > state by forcedeth, and mid-stream to a list_del() an e1000 interrupt > comes in and this tries to schedule the e1000 NAPI context and we get > list corruption. Good point! Feel free to send a patch. ;-) Jarek P.