From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264997AbUHMBIV (ORCPT ); Thu, 12 Aug 2004 21:08:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S268920AbUHMBIV (ORCPT ); Thu, 12 Aug 2004 21:08:21 -0400 Received: from mail.gmx.de ([213.165.64.20]:5861 "HELO mail.gmx.net") by vger.kernel.org with SMTP id S264997AbUHMBIT (ORCPT ); Thu, 12 Aug 2004 21:08:19 -0400 X-Authenticated: #4399952 Date: Fri, 13 Aug 2004 03:18:34 +0200 From: Florian Schmidt To: Lee Revell Cc: Ingo Molnar , linux-kernel , Felipe Alfaro Solana , jackit-devel , Paul Davis Subject: Re: [patch] voluntary-preempt-2.6.8-rc3-O5 Message-Id: <20040813031834.3b45aee5@mango.fruits.de> In-Reply-To: <1092358530.1304.63.camel@mindpipe> References: <20040809104649.GA13299@elte.hu> <20040810132654.GA28915@elte.hu> <1092174959.5061.6.camel@mindpipe> <20040811073149.GA4312@elte.hu> <20040811074256.GA5298@elte.hu> <1092210765.1650.3.camel@mindpipe> <20040811090639.GA8354@elte.hu> <20040811141649.447f112f@mango.fruits.de> <20040811124342.GA17017@elte.hu> <1092268536.1090.7.camel@mindpipe> <20040812072127.GA20386@elte.hu> <1092347654.11134.10.camel@mindpipe> <1092355488.1304.52.camel@mindpipe> <1092356877.1304.58.camel@mindpipe> <20040813025546.1372fbc6@mango.fruits.de> <1092358530.1304.63.camel@mindpipe> X-Mailer: Sylpheed-Claws 0.9.12 (GTK+ 1.2.10; i386-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 12 Aug 2004 20:55:30 -0400 Lee Revell wrote: > Even if it is not a long non-preemptible section, mlockall-test is > still doing *something* that causes an xrun in jackd. Maybe > interrupts are being disabled for a long time. Whatever it is, it > cannot possibly be a jackd bug, because mlockall by an unrelated, > normal-priority process causes an xrun in the SCHED_FIFO jackd > process. Hmm, yes, that makes sense. I wonder: does mlockall have any influence on IPC? Flo -- Palimm Palimm! http://affenbande.org/~tapas/