Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964903AbWEURZP (ORCPT ); Sun, 21 May 2006 13:25:15 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964904AbWEURZP (ORCPT ); Sun, 21 May 2006 13:25:15 -0400 Received: from ms-smtp-02.nyroc.rr.com ([24.24.2.56]:24007 "EHLO ms-smtp-02.nyroc.rr.com") by vger.kernel.org with ESMTP id S964903AbWEURZN (ORCPT ); Sun, 21 May 2006 13:25:13 -0400 Date: Sun, 21 May 2006 13:24:51 -0400 (EDT) From: Steven Rostedt X-X-Sender: rostedt@gandalf.stny.rr.com To: Mark Knecht cc: Linux Kernel Mailing List , Ingo Molnar , Clark Williams , Robert Crocombe Subject: Re: 2.6.16-rt22/23 kernels hanging after registering IO schedulers In-Reply-To: <5bdc1c8b0605191022l7114707fjd6b3cdcfe68b97c7@mail.gmail.com> Message-ID: References: <5bdc1c8b0605191022l7114707fjd6b3cdcfe68b97c7@mail.gmail.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2746 Lines: 71 On Fri, 19 May 2006, Mark Knecht wrote: > Hi Ingo and others, > It's been quite awhile since I wrote anything here. I have been > using the 2.6.15-rt kernels for audio work on my AMD64 machine, but I > haven't written much music lately so the work load has been very low. > Actually I've found that for light work the standard Gentoo 2.6.16 > kernel without -rt patches has been good enough for my real-time needs > of late so thanks to all the kernel developers for those more results > also. > > Working quite nicely on my system are: > > 2.6.15-rt18 Well this is good to hear. > 2.6.16-gentoo-r2 > > Some Gentoo oriented folks created a new 'pro-audio' overlay which > allows Gentoo users to build both applications and -rt kernels using > normal portage methods. Here's the link: > > http://proaudio.tuxfamily.org/wiki/index.php?title=Main_Page Also interesting to know. > > Since the newest -rt kernels are part of the overlay I thought I'd > give building and booting one a try. At the time the version in the > overlay was 2.6.16-rt22 so I tried that. Unfortunately the boot > process hangs immediately after some messages about registering IO > schedulers. > > My method to build 2.6.16-rt22 was to emerge the source from the > pro-audio overlay, copy the 2.6.15-rt18 .config file, run make > oldconfig, make menuconfig, make && make modules_install, and then > copy the kernel source to /boot. > > My method to build 2.6.16-rt23 was to download linux-2.6.16, unzip > and untar, patch it with the -rt23 patch from your site, then again > use the 2.6.15-rt18 .config file as in the previous paragraph. Same > results. > > I did try changing the default IO Scheduler, as well as leaving a > few out. I still hang at the same place. > > My guess is that it's the step immediately after registering these > schedulers that's hanging but I no longer have a second computer so I > cannot do the console thing with the serial cable. Sorry. > > Again, no serious problems for me since both 2.6.15-rt18 & > 2.6.16-gentoo-r2 are working great, but I thought I should at least > report this to see if there is some known thing I need to change or, > if not, make sure you are aware of the problem. > > Here's some very basic info about the hardware > OK, there's been other reports of problems with booting AMD64 with the latest -rt kernels. I just got home from Germany, and will start testing on my machine tomorrow. I'll let you know what I find then. -- Steve - 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/