From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 26 Jun 2001 12:30:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 26 Jun 2001 12:30:38 -0400 Received: from [217.6.75.12] ([217.6.75.12]:13748 "EHLO ftp.prs.de") by vger.kernel.org with ESMTP id ; Tue, 26 Jun 2001 12:30:30 -0400 Message-ID: <3B38BA08.E2E0629@internetwork-ag.de> Date: Tue, 26 Jun 2001 18:36:24 +0200 From: Till Immanuel Patzschke Reply-To: tip@prs.de Organization: interNetwork AG X-Mailer: Mozilla 4.75 [en] (X11; U; Linux 2.2.16 i686) X-Accept-Language: en MIME-Version: 1.0 To: "linux-kernel@vger.kernel.org" Subject: SMP freeze w/ 2.4.x and unregister_netdev[ice]() [was ppp lockup...] Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi, I've done some testing w/ our SMP machine and the PPPDs - the FREEZE (lock) occurs due to the locking via rtnl_lock()/rtnl_unlock() for unregister_netdevice in ppp_destoy_interface. The problem occurs on 2.4.0.SuSE and all vanilla 2.4.x kernels (just tested 2.4.5) in SMP mode only!!! (And yes, not locking the lists works BUT ... :-) All help is very much appreciated! Thanks in advance, Immanuel P.S. Please put me on CC: if you reply - makes my list sorting easier... :-) -- Till Immanuel Patzschke mailto: tip@internetwork-ag.de interNetwork AG Phone: +49-(0)611-1731-121 Bierstadter Str. 7 Fax: +49-(0)611-1731-31 D-65189 Wiesbaden Web: http://www.internetwork-ag.de