From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751347AbWAaS4m (ORCPT ); Tue, 31 Jan 2006 13:56:42 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751348AbWAaS4m (ORCPT ); Tue, 31 Jan 2006 13:56:42 -0500 Received: from mx2.mail.elte.hu ([157.181.151.9]:11675 "EHLO mx2.mail.elte.hu") by vger.kernel.org with ESMTP id S1751347AbWAaS4l (ORCPT ); Tue, 31 Jan 2006 13:56:41 -0500 Date: Tue, 31 Jan 2006 19:57:14 +0100 From: Ingo Molnar To: Francois Romieu Cc: Jeff Garzik , Herbert Xu , linux-kernel@vger.kernel.org, akpm@osdl.org, davem@redhat.com Subject: Re: [PATCH] 8139too: fix a TX timeout watchdog thread against NAPI softirq race Message-ID: <20060131185714.GA24635@elte.hu> References: <43D98915.6040004@pobox.com> <20060131002418.GA917@electric-eye.fr.zoreil.com> <20060131184957.GA22660@elte.hu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20060131184957.GA22660@elte.hu> User-Agent: Mutt/1.4.2.1i X-ELTE-SpamScore: -2.2 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-2.2 required=5.9 tests=ALL_TRUSTED,AWL autolearn=no SpamAssassin version=3.0.3 -2.8 ALL_TRUSTED Did not pass through any untrusted hosts 0.6 AWL AWL: From: address is in the auto white-list X-ELTE-VirusStatus: clean Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org * Ingo Molnar wrote: > > Ingo's stealth lock validator detected that both thread acquire > > dev->xmit_lock and tp->rx_lock in reverse order. > > > > Signed-off-by: Francois Romieu > > i've ported this to -mm4 (see the attached patch), but i'm also > getting a new deadlock message. Seems to be a separate issue, not > introduced by your patch - but still needs fixing i guess. sorry - this is a false alarm. (caused by the lock validator not properly handling DEBUG_SHIRQ) Ingo