From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760023AbZENJ6w (ORCPT ); Thu, 14 May 2009 05:58:52 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752870AbZENJ6n (ORCPT ); Thu, 14 May 2009 05:58:43 -0400 Received: from nef2.ens.fr ([129.199.96.40]:2567 "EHLO nef2.ens.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752138AbZENJ6m (ORCPT ); Thu, 14 May 2009 05:58:42 -0400 X-Greylist: delayed 3360 seconds by postgrey-1.27 at vger.kernel.org; Thu, 14 May 2009 05:58:42 EDT Date: Thu, 14 May 2009 11:02:41 +0200 From: Nicolas George To: linux-kernel@vger.kernel.org Subject: unregister_netdevice: waiting for ppp0 to become free Message-ID: <20090514090241.GA32546@phare.normalesup.org> MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="ReaqsoxgOBHFXBhH" Content-Disposition: inline User-Agent: Mutt/1.5.17 (2007-11-01) X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-3.1.4 (nef2.ens.fr [129.199.96.32]); Thu, 14 May 2009 11:02:41 +0200 (CEST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --ReaqsoxgOBHFXBhH Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hi. I recently upgraded to 2.6.29.1, and since then I get the following message when my DSL ISP disconnects me (which he does weekly): unregister_netdevice: waiting for ppp0 to become free. Usage count = 7 I did not manage to get the network up again without rebooting. PPP is working with kernel-level PPPoE. The only slightly unusual thing in my configuration is a few QoS rules. The same configuration worked fine with kernel 2.6.24.2. I do not see anything relevant in the ChangeLog for 2.6.29.2 and 2.6.29.3. Killing pppd does not seem to trigger the problem. I did not try to unplug the DSL modem yet. I attach the SysRq-t log. I hope someone can help me find the problem. 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