Date: Mon, 08 Dec 2003 16:57:14 -0500 From: "Brian F. Feldman" <green@FreeBSD.org> To: John Baldwin <jhb@FreeBSD.org> Cc: Igor Sysoev <is@rambler-co.ru> Subject: Re: A page fault in subr_turnstile.c:propogate_priority() Message-ID: <200312082157.hB8LvEY2016653@green.bikeshed.org> In-Reply-To: Message from John Baldwin <jhb@FreeBSD.org> <XFMail.20031208164356.jhb@FreeBSD.org>
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John Baldwin <jhb@FreeBSD.org> wrote: > > On 06-Dec-2003 Brian F. Feldman wrote: > > John Baldwin <jhb@FreeBSD.org> 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. \,,,,,,,,,,,,,,,,,,,,,,\
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