From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262479AbVF2TaY (ORCPT ); Wed, 29 Jun 2005 15:30:24 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262486AbVF2TaX (ORCPT ); Wed, 29 Jun 2005 15:30:23 -0400 Received: from mx1.elte.hu ([157.181.1.137]:34794 "EHLO mx1.elte.hu") by vger.kernel.org with ESMTP id S262479AbVF2T3g (ORCPT ); Wed, 29 Jun 2005 15:29:36 -0400 Date: Wed, 29 Jun 2005 21:29:16 +0200 From: Ingo Molnar To: Chuck Harding Cc: Linux Kernel Discussion List Subject: Re: Realtime Preemption - 2.6.12-final-RT-V0.7.50-35 Message-ID: <20050629192916.GA6079@elte.hu> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.2.1i 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 * Chuck Harding wrote: > still having sox hang with no messages about what is going on. I have > CONFIG_DEBUG_PREEMPT enabled. It did work without hanging for about 50 > times of playing a sound file, so the problem seems to take a bit of > time to develop. What other info would you need to figure this out? could you chrt the sound IRQ thread to SCHED_OTHER (audio performance will suck, but it will be more debuggable) - when the lockup happens, do you see the IRQ thread looping? Do you have SOFTLOCKUP_DETECT turned on too? Ingo