Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756753AbWK1VgX (ORCPT ); Tue, 28 Nov 2006 16:36:23 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756867AbWK1VgX (ORCPT ); Tue, 28 Nov 2006 16:36:23 -0500 Received: from smtp1.Stanford.EDU ([171.67.22.28]:55715 "EHLO smtp1.stanford.edu") by vger.kernel.org with ESMTP id S1756753AbWK1VgW (ORCPT ); Tue, 28 Nov 2006 16:36:22 -0500 Subject: Re: 2.6.19-rc6-rt7: Kernel BUG at kernel/rtmutex.c:672 From: Fernando Lopez-Lezcano To: Ingo Molnar Cc: nando@ccrma.Stanford.EDU, "Linux-Kernel," In-Reply-To: <20061128200611.GB25364@elte.hu> References: <1164737474.15887.10.camel@cmn3.stanford.edu> <20061128200611.GB25364@elte.hu> Content-Type: text/plain Date: Tue, 28 Nov 2006 13:36:19 -0800 Message-Id: <1164749780.15887.56.camel@cmn3.stanford.edu> Mime-Version: 1.0 X-Mailer: Evolution 2.2.3 (2.2.3-4.fc4) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 952 Lines: 24 On Tue, 2006-11-28 at 21:06 +0100, Ingo Molnar wrote: > * Fernando Lopez-Lezcano wrote: > > > (a normal non-root user was left logged in and was running jackd with > > realtime privileges, irqs' priority reordered with the rtirq script - > > I was getting, and still are under -rt8, lots of audio xruns but > > that's for another thread). > > do you get those xruns even with maxcpus=1? I.e. is it an SMP-only > regression - or is UP affected too? [if it's UP then it would be simpler > to trace that xrun] It appears to be smp related, I just booted with maxcpus=1 and I'm seeing a lot less in terms of xruns (three so far in the range 0.029 to 0.041 ms). -- Fernando - 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/