From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261764AbVDOICF (ORCPT ); Fri, 15 Apr 2005 04:02:05 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261765AbVDOICF (ORCPT ); Fri, 15 Apr 2005 04:02:05 -0400 Received: from mx2.elte.hu ([157.181.151.9]:17293 "EHLO mx2.elte.hu") by vger.kernel.org with ESMTP id S261764AbVDOIB6 (ORCPT ); Fri, 15 Apr 2005 04:01:58 -0400 Date: Fri, 15 Apr 2005 10:01:38 +0200 From: Ingo Molnar To: William Weston Cc: linux-kernel@vger.kernel.org, dwalker@mvista.com, Steven Rostedt Subject: Re: BUGs in 2.6.12-rc2-RT-V0.7.45-01 Message-ID: <20050415080138.GA25262@elte.hu> References: <20050412230921.GA22360@elte.hu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.2.1i 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=-4.9, required 5.9, autolearn=not spam, BAYES_00 -4.90 X-ELTE-SpamLevel: X-ELTE-SpamScore: -4 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org * William Weston wrote: > On Wed, 13 Apr 2005, Ingo Molnar wrote: > > > what are you using kprobes for? Do you get lockups even if you disable > > kprobes? > > Various processes will lockup on the P4/HT system, usually while under > some load. The processes cannot be killed. X will lockup once or > twice a day (which means my console, and thus sysrq, are toast), but I > can still ssh in. Nothing is logged by the kernel. Are there any > post-lockup forensics that can be performed before I reboot? could you try the -44-03 patch: http://redhat.com/~mingo/realtime-preempt/older/realtime-preempt-2.6.12-rc2-V0.7.44-03 this doesnt have the plist changes yet. Is this one more stable? Ingo