From owner-freebsd-current Mon Mar 6 14:59:14 2000 Delivered-To: freebsd-current@freebsd.org Received: from relativity.student.utwente.nl (wit389306.student.utwente.nl [130.89.234.166]) by hub.freebsd.org (Postfix) with ESMTP id 3121337BB83 for ; Mon, 6 Mar 2000 14:59:12 -0800 (PST) (envelope-from djb@wit389306.student.utwente.nl) Received: by relativity.student.utwente.nl (Postfix, from userid 1000) id CDB2C5D7D; Mon, 6 Mar 2000 23:59:21 +0100 (CET) Date: Mon, 6 Mar 2000 23:59:21 +0100 From: Dave Boers To: Peter Jeremy Cc: Dave Boers , Arun Sharma , freebsd-current@FreeBSD.ORG Subject: Re: current lockups Message-ID: <20000306235921.A27904@relativity.student.utwente.nl> Reply-To: djb@relativity.student.utwente.nl References: <20000304235010.B10778@sharmas.dhs.org> <20000306202718.A26973@relativity.student.utwente.nl> <00Mar7.094555est.115210@border.alcanet.com.au> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 1.0.1i In-Reply-To: <00Mar7.094555est.115210@border.alcanet.com.au>; from peter.jeremy@alcatel.com.au on Tue, Mar 07, 2000 at 09:45:55AM +1100 Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG It is rumoured that Peter Jeremy had the courage to say: > Note that ntpd will use rtprio if the Posix P1003.1b extensions aren't > enabled in the kernel. (These were enabled by default in GENERIC on > i386 in mid-January). If you have the new ntpd (rather than xntpd) > and are running a kernel without options P1003_1B, > _KPOSIX_PRIORITY_SCHEDULING and _KPOSIX_VERSION=199309L, you could > potentially get a lockup due to a priority inversion. (Though I > think the probability is very small). I don't use ntpd (I use ntpdate) and I do have those options enabled in my kernel (all three of them). IIRC they are needed to get either cdrdao or cdrecord to work. Seems that everything points to UDMA66 so far... Regards, Dave Boers. -- Dave Boers < djb @ relativity . student . utwente . nl > Don't let your schooling interfere with your education. (Mark Twain) To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message