From owner-freebsd-smp Wed Mar 29 8:54:46 2000 Delivered-To: freebsd-smp@freebsd.org Received: from sharmas.dhs.org (c62443-a.frmt1.sfba.home.com [24.0.69.165]) by hub.freebsd.org (Postfix) with ESMTP id E152F37B6BF for ; Wed, 29 Mar 2000 08:54:43 -0800 (PST) (envelope-from adsharma@sharmas.dhs.org) Received: (from adsharma@localhost) by sharmas.dhs.org (8.9.3/8.9.3) id IAA22036; Wed, 29 Mar 2000 08:54:45 -0800 Date: Wed, 29 Mar 2000 08:54:45 -0800 From: Arun Sharma Message-Id: <200003291654.IAA22036@sharmas.dhs.org> To: dillon@apollo.backplane.com Cc: freebsd-smp@freebsd.org Subject: Re: SMP and vn In-Reply-To: <200003291604.IAA63016@apollo.backplane.com> References: <20000327183911.18682.qmail@web124.yahoomail.com> <20000329132919.A10781@relativity.student.utwente.nl> <200003291604.IAA63016@apollo.backplane.com> Reply-To: adsharma@sharmas.dhs.org Sender: owner-freebsd-smp@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org > :Anyway, the system hangs don't seem to be related to heavy memory usage. > :(Even people with Asus dual pentium boards get smp related system hangs.) > :Also, my Abit BP6 board was just fine (uptimes of 20+ days or so ;- between > :-current updates) up and until last christmas or so. > : > :So, I'm not inclined to thinking it's a hardware problem at all. > : > : Regards, > : > : Dave. > > I suspect you are getting a panic, but due to X running you can't > see it. The goal should be to get to a DDB prompt on the console > to be able to see the panic and 'trace' and 'ps', and then to > (if possible) get a kernel core by typing 'panic' from the DDB prompt. > > What you want to do is compile the DDB kernel config option into the > kernel, then switch out of the X session (typically with ctl-alt-F1 or > F2) before you leave for the day. If it crunches while you are > accessing it remotely, when you come in the next day you should see a > DDB prompt and a panic message and be able to 'trace', 'ps', and then > 'panic' the system. I've had freezes when not running X and it didn't drop into DDB on the console. Will adding more asserts in suspected places help ? -Arun To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-smp" in the body of the message