From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030442AbWGILR6 (ORCPT ); Sun, 9 Jul 2006 07:17:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030252AbWGILR6 (ORCPT ); Sun, 9 Jul 2006 07:17:58 -0400 Received: from oola.is.scarlet.be ([193.74.71.23]:51348 "EHLO oola.is.scarlet.be") by vger.kernel.org with ESMTP id S1030442AbWGILR5 (ORCPT ); Sun, 9 Jul 2006 07:17:57 -0400 Message-ID: <44B0E5E4.2090902@joow.be> Date: Sun, 09 Jul 2006 13:17:56 +0200 From: Pieter Palmers User-Agent: Thunderbird 1.5.0.2 (X11/20060501) MIME-Version: 1.0 To: Lee Revell CC: Steven Rostedt , Ingo Molnar , Thomas Gleixner , linux-kernel Subject: Re: tasklet_unlock_wait() causes soft lockup with -rt and ieee1394 audio References: <1152371924.4736.169.camel@mindpipe> <1152409894.32734.27.camel@localhost.localdomain> <1152411169.28129.24.camel@mindpipe> In-Reply-To: <1152411169.28129.24.camel@mindpipe> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-DCC-scarlet.be-Metrics: oola 2020; Body=5 Fuz1=5 Fuz2=5 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Lee Revell wrote: > On Sat, 2006-07-08 at 21:51 -0400, Steven Rostedt wrote: >> Lee, can you cause this problem with PREEMPT_DESKTOP with softirq as >> threads? >> > > I am just posting this for Pieter - all followups should be directed to > him. (I don't even have the hardware to reproduce this) > > IIRC the problem could only be reproduced with PREEMPT_RT. Pieter, can > you confirm? It can only be reproduced with PREEMPT_RT. And the test kernel is configured with irq threading, I haven't tried it without irq threading. Pieter