Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1767656AbXEDDvk (ORCPT ); Thu, 3 May 2007 23:51:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1767660AbXEDDvk (ORCPT ); Thu, 3 May 2007 23:51:40 -0400 Received: from wr-out-0506.google.com ([64.233.184.230]:30481 "EHLO wr-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1767656AbXEDDvj (ORCPT ); Thu, 3 May 2007 23:51:39 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=NjbJVab738N5WR+dM0RNSlDknDX0WzHMsNJZqvuoaCut0nrHYi0ahCNJfsvUm60TXuYllD6I1ZBqxnIhKvQbq74RDaab2yZK44DNkyWEOgeFpXZJrYs69SNiRJIKzEA/vcxRgMyedkODX0yDidQHj8E82VinEgMTdNxH0GsZKac= Message-ID: Date: Fri, 4 May 2007 11:51:38 +0800 From: "ye janboe" To: linux-kernel Subject: how can I debug to debug kernel pointer error? In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 519 Lines: 15 Hi all! I met a issue that some code changing one process preempt_count. preempt_count is changed to a very large number, for instant, 0x300, just before finish_schedule function in schedule. Who can give me some suggestion to debug such problem? Thanks very much! Janboe - 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/