From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262326AbVGKTMa (ORCPT ); Mon, 11 Jul 2005 15:12:30 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262265AbVGKTM1 (ORCPT ); Mon, 11 Jul 2005 15:12:27 -0400 Received: from rimuhosting.com ([69.90.33.248]:42165 "EHLO rimuhosting.com") by vger.kernel.org with ESMTP id S262257AbVGKTMT (ORCPT ); Mon, 11 Jul 2005 15:12:19 -0400 Message-ID: <42D2C487.60302@rimuhosting.com> Date: Tue, 12 Jul 2005 07:12:07 +1200 From: Peter User-Agent: Mozilla Thunderbird 1.0.2-6 (X11/20050513) X-Accept-Language: en-us, en MIME-Version: 1.0 To: linux-kernel@vger.kernel.org CC: user-mode-linux-devel@lists.sourceforge.net Subject: unregister_netdevice: waiting for tap24 to become free References: <20050709110143.D59181E9EA4@zion.home.lan> <20050709120703.C2175@flint.arm.linux.org.uk> In-Reply-To: <20050709120703.C2175@flint.arm.linux.org.uk> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi. I am hitting a bug that manifests in an unregister_netdevice error message. After the problem is triggered processes like ifconfig, tunctl and route refuse to exit, even with killed. And the only solution I have found to regaining control of the server is issuing a reboot. The server is running a number of tap devices. (It is a UML host server running the skas patches http://www.user-mode-linux.org/~blaisorblade/). Regards, Peter # uname -r 2.6.11.7-skas3-v8 unregister_netdevice: waiting for tap24 to become free. Usage count = 1 unregister_netdevice: waiting for tap24 to become free. Usage count = 1 unregister_netdevice: waiting for tap24 to become free. Usage count = 1 unregister_netdevice: waiting for tap24 to become free. Usage count = 1 unregister_netdevice: waiting for tap24 to become free. Usage count = 1 unregister_netdevice: waiting for tap24 to become free. Usage count = 1 unregister_netdevice: waiting for tap24 to become free. Usage count = 1 30684 ? DW 0:45 \_ [tunctl] 31974 ? S 0:00 /bin/bash ./monitorbw.sh 31976 ? S 0:00 \_ /bin/bash ./monitorbw.sh 31978 ? D 0:00 \_ /sbin/ifconfig 31979 ? S 0:00 \_ grep \(tap\)\|\(RX bytes\) 32052 ? S 0:00 /bin/bash /opt/uml/umlcontrol.sh start --user gildersleeve.de 32112 ? S 0:00 \_ /bin/bash /opt/uml/umlrun.sh --user gildersleeve.de 32152 ? S 0:00 \_ /bin/bash ./umlnetworksetup.sh --check --user gildersleeve.de 32176 ? D 0:00 \_ tunctl -u gildersleeve.de -t tap24