From owner-freebsd-stable Fri May 17 4:54:56 2002 Delivered-To: freebsd-stable@freebsd.org Received: from blackhelicopters.org (geburah.blackhelicopters.org [209.69.178.18]) by hub.freebsd.org (Postfix) with ESMTP id D03A937B401 for ; Fri, 17 May 2002 04:54:51 -0700 (PDT) Received: (from mwlucas@localhost) by blackhelicopters.org (8.11.6/8.11.6) id g4HBsXs98668; Fri, 17 May 2002 07:54:33 -0400 (EDT) (envelope-from mwlucas) Date: Fri, 17 May 2002 07:54:33 -0400 From: Michael Lucas To: "Marc G. Fournier" Cc: Doug White , freebsd-stable@FreeBSD.ORG Subject: Re: Fatal trap 12: page fault while in kernel mode Message-ID: <20020517075433.B98560@blackhelicopters.org> References: <20020516122643.H52717-100000@resnet.uoregon.edu> <20020516205757.W6260-100000@mail1.hub.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <20020516205757.W6260-100000@mail1.hub.org>; from scrappy@hub.org on Thu, May 16, 2002 at 09:03:25PM -0300 Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Thu, May 16, 2002 at 09:03:25PM -0300, Marc G. Fournier wrote: > On Thu, 16 May 2002, Doug White wrote: > > Yes, we call it "a null pointer dereference in kernel." You want to grab > > the crashdump and backtrace it to see where the bad data sprouted from. > > Crashdump? If you can tell me how to get one out of a 4gig server, I'll > gladly get one for you ... its not the first time she's crashed, nor do I > expect it to be the last ;( ... > Any way of using that for the crash dump? Its a remote server, so I can't > use DDB on this :( Actually, yes you can use DDB on it, just not directly. :-) options DDB, DDB_UNATTENDED (Of course, you might know reasons why DDB_UNATTENDED won't work in your case, but as a general rule it's pretty reliable.) Pardon the self-promotion, but here's how I dealt with crashing remote servers. Maybe it'll help. http://www.onlamp.com/pub/a/bsd/2002/03/21/Big_Scary_Daemons.html http://www.onlamp.com/pub/a/bsd/2002/04/04/Big_Scary_Daemons.html ==ml -- Michael Lucas mwlucas@FreeBSD.org, mwlucas@BlackHelicopters.org http://www.oreillynet.com/pub/q/Big_Scary_Daemons Absolute BSD: http://www.nostarch.com/abs_bsd.htm To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message