From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754032AbZHIOCo (ORCPT ); Sun, 9 Aug 2009 10:02:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754013AbZHIOCn (ORCPT ); Sun, 9 Aug 2009 10:02:43 -0400 Received: from lider.uludag.org.tr ([193.140.100.216]:34216 "EHLO lider.pardus.org.tr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753984AbZHIOCn (ORCPT ); Sun, 9 Aug 2009 10:02:43 -0400 Message-ID: <4A7ED700.9080407@pardus.org.tr> Date: Sun, 09 Aug 2009 17:02:40 +0300 From: =?UTF-8?B?T3phbiDDh2HEn2xheWFu?= User-Agent: Thunderbird 2.0.0.22 (Windows/20090605) MIME-Version: 1.0 To: =?UTF-8?B?QnJ1bm8gUHLDqW1vbnQ=?= CC: Greg Kroah-Hartman , linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, "Rafael J. Wysocki" Subject: Re: 2.6.31-rc5 regression: Oops when USB Serial disconnected while in use References: <20090808194733.38406075@neptune.home> In-Reply-To: <20090808194733.38406075@neptune.home> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Bruno Prémont wrote: > I tried bisecting this but bisect did end up on a fully unrelated commit > (which is not even being compiled into my kernel). > Possibly the failed bisect could be related to mis-classified kernel > panic/hang while pulling the USB cable (there were two such panics for the > whole iteration)? > > There are quite a few patches touching tty, ttyUSB and friends between > rc4 and now so pretty hard to guess on the correct one. > > The oops always happens when I disconnect the USB serial console (here > the one built into Marvell SheevaPlug) while having minicom connected > to it. > During the bisection for the last few bad iterations minicom got killed > (segfault), the bad ones on the iteration left a minicom zombie in 'D' > state. > > Regards, > Bruno > > That may be a related/possible fix for that, http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=b68f2fb9e73f46037fbeca5fbd4ae8a7ddd8ef6b