From owner-freebsd-current Mon Mar 6 15:11:57 2000 Delivered-To: freebsd-current@freebsd.org Received: from norn.ca.eu.org (cr965240-b.abtsfd1.bc.wave.home.com [24.113.19.137]) by hub.freebsd.org (Postfix) with ESMTP id A1BCA37BBA3 for ; Mon, 6 Mar 2000 15:11:55 -0800 (PST) (envelope-from cpiazza@norn.ca.eu.org) Received: by norn.ca.eu.org (Postfix, from userid 1000) id F00FB199D; Mon, 6 Mar 2000 15:11:54 -0800 (PST) Date: Mon, 6 Mar 2000 15:11:54 -0800 From: Chris Piazza To: Dave Boers Cc: Peter Jeremy , Arun Sharma , freebsd-current@FreeBSD.ORG Subject: Re: current lockups Message-ID: <20000306151154.A21350@norn.ca.eu.org> References: <20000304235010.B10778@sharmas.dhs.org> <20000306202718.A26973@relativity.student.utwente.nl> <00Mar7.094555est.115210@border.alcanet.com.au> <20000306235921.A27904@relativity.student.utwente.nl> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 1.0.1i In-Reply-To: <20000306235921.A27904@relativity.student.utwente.nl>; from djb@wit389306.student.utwente.nl on Mon, Mar 06, 2000 at 11:59:21PM +0100 X-Operating-System: FreeBSD 4.0-CURRENT i386 Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Mon, Mar 06, 2000 at 11:59:21PM +0100, Dave Boers wrote: > 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... ...maybe in certain combinations. I have a BP6 with dual celerons (466's @ 504) and have had no problems whatsoever. FreeBSD 4.0-CURRENT #4: Sun Mar 5 12:20:41 PST 2000 cpiazza@norn.ca.eu.org:/usr/src/sys/compile/NORN Timecounter "i8254" frequency 1193182 Hz CPU: Pentium II/Pentium II Xeon/Celeron (503.92-MHz 686-class CPU) Origin = "GenuineIntel" Id = 0x665 Stepping = 5 Features=0x183fbff real memory = 268369920 (262080K bytes) avail memory = 256987136 (250964K bytes) Programming 24 pins in IOAPIC #0 IOAPIC #0 intpin 2 -> irq 0 FreeBSD/SMP: Multiprocessor motherboard cpu0 (BSP): apic id: 0, version: 0x00040011, at 0xfee00000 cpu1 (AP): apic id: 1, version: 0x00040011, at 0xfee00000 io0 (APIC): apic id: 2, version: 0x00170011, at 0xfec00000 .... ad0: 9765MB [19841/16/63] at ata0-master using UDMA33 ad4: 12949MB [28064/15/63] at ata2-master using UDMA66 acd0: CDROM at ata1-slave using PIO4 ad0 is a DOS drive, ad4 is what I have FreeBSD on. -Chris -- cpiazza@jaxon.net cpiazza@FreeBSD.org Abbotsford, BC, Canada To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message