From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965634AbXC1SEs (ORCPT ); Wed, 28 Mar 2007 14:04:48 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965632AbXC1SEs (ORCPT ); Wed, 28 Mar 2007 14:04:48 -0400 Received: from rhlx01.hs-esslingen.de ([129.143.116.10]:55054 "EHLO rhlx01.hs-esslingen.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965634AbXC1SEr (ORCPT ); Wed, 28 Mar 2007 14:04:47 -0400 Date: Wed, 28 Mar 2007 20:04:46 +0200 From: Andreas Mohr To: Andreas Mohr Cc: Andrew Morton , Alexey Dobriyan , Greg KH , linux-kernel@vger.kernel.org Subject: tty OOPS (Re: 2.6.21-rc5-mm2) Message-ID: <20070328180446.GA7528@rhlx01.hs-esslingen.de> References: <20070326211627.c681af3b.akpm@linux-foundation.org> <20070328170214.GA13044@rhlx01.hs-esslingen.de> <20070328173310.GA4682@rhlx01.hs-esslingen.de> <20070328174524.GA25709@rhlx01.hs-esslingen.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070328174524.GA25709@rhlx01.hs-esslingen.de> User-Agent: Mutt/1.4.2.2i X-Priority: none Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi, [unrelated maintainers removed, Alexey added] On Wed, Mar 28, 2007 at 07:45:24PM +0200, Andreas Mohr wrote: > Hi, > > just wanted to add that when analyzing the backtrace I found the comment > at drivers/char/vt.c/con_close() to be VERY suspicious... > (need to take tty_mutex to prevent concurrent thread tty access). > This might just be what happened here despite trying to protect against it. OK, can we assume that one of +protect-tty-drivers-list-with-tty_mutex.patch +tty-minor-merge-correction.patch +tty-in-tiocsctty-when-we-steal-a-tty-hang-it-up-fix.patch is responsible / not implemented fully? Andreas Mohr