Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S273030AbTHFFXq (ORCPT ); Wed, 6 Aug 2003 01:23:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S274820AbTHFFXq (ORCPT ); Wed, 6 Aug 2003 01:23:46 -0400 Received: from fw.osdl.org ([65.172.181.6]:17120 "EHLO mail.osdl.org") by vger.kernel.org with ESMTP id S273030AbTHFFXV (ORCPT ); Wed, 6 Aug 2003 01:23:21 -0400 Message-Id: <200308060523.h765NII31787@mail.osdl.org> From: OSDL Subject: Re: 2.6.0-test2 oops - NPTL triggered To: Greg Schafer , linux-kernel@vger.kernel.org Reply-To: torvalds@osdl.org Date: Tue, 05 Aug 2003 22:23:18 -0700 References: <20030806021316.GA408@tigers-lfs.nsw.bigpond.net.au> Organization: OSDL User-Agent: KNode/0.7.2 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7Bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 884 Lines: 24 Greg Schafer wrote: > > An otherwise fine running kernel-2.6.0-test2 repeatably gives this when > running the NPTL testsuite. > > ksymoops output attached. > > - kernel compiled with gcc-2.95.4 (s'pose I should try 3.2.3) > - recent binutils > - board is Tyan S2466N-4M with pair of Athlon 2200's > > This is a UP kernel (trying to narrow down the cause). It looks like the list poisoning triggers: ecx: 00200200 edx: 00100100 those are the poison values for the prev/next fields of lists (see ). So it looks like switch_exec_pids() is removing a list entry that was already removed. Linus - 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/