From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751161AbVILETX (ORCPT ); Mon, 12 Sep 2005 00:19:23 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751162AbVILETX (ORCPT ); Mon, 12 Sep 2005 00:19:23 -0400 Received: from viper.oldcity.dca.net ([216.158.38.4]:11678 "HELO viper.oldcity.dca.net") by vger.kernel.org with SMTP id S1751161AbVILETW (ORCPT ); Mon, 12 Sep 2005 00:19:22 -0400 Subject: Re: [linux-audio-user] is RT-Preempt functional on x86-64? From: Lee Revell To: A list for linux audio users Cc: linux-kernel , Ingo Molnar In-Reply-To: <20050912035616.GA6558@replic.net> References: <200509111923.51200.marcospcmusica@yahoo.com.ar> <1126478302.5077.67.camel@mindpipe> <20050911232124.GB21416@replic.net> <1126488073.5619.5.camel@mindpipe> <20050912035616.GA6558@replic.net> Content-Type: text/plain Date: Mon, 12 Sep 2005 00:19:19 -0400 Message-Id: <1126498760.5619.13.camel@mindpipe> Mime-Version: 1.0 X-Mailer: Evolution 2.4.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 2005-09-12 at 03:56 +0000, carmen wrote: > > When was the last time you tried it? It should work on amd64 and PPC. > > You might need to disable high res timers. > > ive tried a few times most recently patch-2.6.13-rt4 - its never worked..have messed around with timer resolutions and 'generic x86-64' vs 'amd64' settings as well. it reboots right after grub loads the kernel, so fast that you cant even read what it says (if anything). > > thats with 'Complete Preemption (Real-Time)' . the 'Preemptible Kernel (Low-Latency Desktop)' option fails to compile: > > In file included from arch/x86_64/kernel/mce.c:17: > include/linux/fs.h: In function `lock_super': > include/linux/fs.h:855: warning: implicit declaration of function `down' > include/linux/fs.h: In function `unlock_super': > include/linux/fs.h:861: warning: implicit declaration of function `up' > arch/x86_64/kernel/mce.c: In function `mce_read': > arch/x86_64/kernel/mce.c:387: warning: type defaults to `int' in declaration of `DECLARE_MUTEX' > arch/x86_64/kernel/mce.c:387: warning: parameter names (without types) in function declaration > arch/x86_64/kernel/mce.c:396: error: `mce_read_sem' undeclared (first use in this function) > arch/x86_64/kernel/mce.c:396: error: (Each undeclared identifier is reported only once > arch/x86_64/kernel/mce.c:396: error: for each function it appears in.) > make[1]: *** [arch/x86_64/kernel/mce.o] Error 1 > make: *** [arch/x86_64/kernel] Error 2 Please provide your kernel .config. Lee