From owner-freebsd-current@FreeBSD.ORG Mon Dec 8 13:57:15 2003 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from green.bikeshed.org (freefall.freebsd.org [216.136.204.21]) by hub.freebsd.org (Postfix) with ESMTP id 7F99916A4CE; Mon, 8 Dec 2003 13:57:15 -0800 (PST) Received: from green.bikeshed.org (green@localhost [127.0.0.1]) by green.bikeshed.org (8.12.10/8.12.9) with ESMTP id hB8LvEnU016656; Mon, 8 Dec 2003 16:57:14 -0500 (EST) (envelope-from green@green.bikeshed.org) Received: from localhost (green@localhost)hB8LvEY2016653; Mon, 8 Dec 2003 16:57:14 -0500 (EST) Message-Id: <200312082157.hB8LvEY2016653@green.bikeshed.org> X-Mailer: exmh version 2.6.3 04/04/2003 with nmh-1.0.4 To: John Baldwin In-Reply-To: Message from John Baldwin From: "Brian F. Feldman" Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Mon, 08 Dec 2003 16:57:14 -0500 Sender: green@green.bikeshed.org cc: freebsd-current@FreeBSD.org cc: Igor Sysoev Subject: Re: A page fault in subr_turnstile.c:propogate_priority() X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 08 Dec 2003 21:57:15 -0000 John Baldwin wrote: > > On 06-Dec-2003 Brian F. Feldman wrote: > > John Baldwin wrote: > >> > >> On 03-Dec-2003 Igor Sysoev wrote: > >> > On Wed, 3 Dec 2003, John Baldwin wrote: > >> > > >> >> > With a patch from http://www.FreeBSD.org/~jhb/patches/turnstile.patch > >> >> > I can not even rebuild kernel. Can I add MPASS to sources from > >> >> > 2003.11.28.00.00.00 ? > >> >> > >> >> Ok, I've just updated turnstile.patch again. I was testing a bogus > >> >> condition in my earlier patch. :/ This patch has survived for a while > >> >> now on my test machine that was panic'ing with the earlier patch, so > >> >> try giving this patch a try against stock CVS sources and see if it > >> >> clears up all your panics. Thanks. > >> > > >> > I added MPASS to sources from 2003.11.28.00.00.00 and since then the system > >> > made 3 builds of the world. I think it would panic tomorrow or so. I'll > >> > get crash dump and then try your new patch. Can I apply the new patch > >> > to sources from 2003.11.28.00.00.00 or I need to cvsup to more recent data ? > >> > >> New patch should probably work fine with those sources. If you still > >> get panics, you can try removing the extra MPASS(), and applying > >> turnstile2.patch. It adds some debugging printf's that would be > >> very helpful in tracking down the bug. Thanks. > > > > I think this may have totally fixed the insta-reboots (no core dump) that > > I've been suffering from! > > Which patch fixed things, just turnstile.patch by itself? Neeeeeevermind. It hasn't made that problem any worse or better. My SMP is just very hoseable right now and I need to bring a serial console (laptop) home so I can try to get ddb if I can't get crash dumps. -- Brian Fundakowski Feldman \'[ FreeBSD ]''''''''''\ <> green@FreeBSD.org \ The Power to Serve! \ Opinions expressed are my own. \,,,,,,,,,,,,,,,,,,,,,,\