Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262392AbUKDT55 (ORCPT ); Thu, 4 Nov 2004 14:57:57 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262388AbUKDTzB (ORCPT ); Thu, 4 Nov 2004 14:55:01 -0500 Received: from mx2.elte.hu ([157.181.151.9]:22505 "EHLO mx2.elte.hu") by vger.kernel.org with ESMTP id S262381AbUKDTwR (ORCPT ); Thu, 4 Nov 2004 14:52:17 -0500 Date: Thu, 4 Nov 2004 20:52:06 +0100 From: Ingo Molnar To: Mark_H_Johnson@raytheon.com Cc: Karsten Wiese , Bill Huey , Adam Heath , "K.R. Foley" , linux-kernel@vger.kernel.org, Florian Schmidt , Fernando Pablo Lopez-Lezcano , Lee Revell , Rui Nuno Capela , Thomas Gleixner , Michal Schmidt Subject: Re: [patch] Real-Time Preemption, -RT-2.6.10-rc1-mm2-V0.7.1 Message-ID: <20041104195206.GB11672@elte.hu> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.1i X-ELTE-SpamVersion: MailScanner 4.31.6-itk1 (ELTE 1.2) SpamAssassin 2.63 ClamAV 0.73 X-ELTE-VirusStatus: clean X-ELTE-SpamCheck: no X-ELTE-SpamCheck-Details: score=-2.201, required 5.9, BAYES_00 -4.90, SORTED_RECIPS 2.70 X-ELTE-SpamLevel: X-ELTE-SpamScore: -2 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1120 Lines: 32 * Mark_H_Johnson@raytheon.com wrote: > 1) ksoftirqd/0/3 is trying to acquire this lock: > [dfb5c8a4] {r:0,a:-1,&n->lock} > .. held by: ksoftirqd/1/ 6 [dff886f0, 0] > ... acquired at: arp_solicit+0x167/0x230 > ... trying at: neigh_update+0x2a/0x390 > > 2) ksoftirqd/1/6 is blocked on this lock: > [c03c8900] {r:1,a:-1,ptype_lock} > .. held by: ksoftirqd/0/ 3 [dffe8020, 0] > ... acquired at: net_rx_action+0x8e/0x200 this is a weird one. Note how ptype_lock is not shown to be owned by ksoftirqd/0/3: > ------------------------------ > | showing all locks held by: | (ksoftirqd/0/3 [dffe8020, 0]): > ------------------------------ > > #001: [d9044c30] {r:0,a:-1,&tp->rx_lock} > ... acquired at: rtl8139_poll+0x48/0x180 [8139too] neither does ptype_lock show up in the other logs you sent. Ingo - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/