From owner-freebsd-hackers Fri Feb 8 19:39:19 2002 Delivered-To: freebsd-hackers@freebsd.org Received: from gull.prod.itd.earthlink.net (gull.mail.pas.earthlink.net [207.217.120.84]) by hub.freebsd.org (Postfix) with ESMTP id 7D24237B417 for ; Fri, 8 Feb 2002 19:39:16 -0800 (PST) Received: from pool0053.cvx21-bradley.dialup.earthlink.net ([209.179.192.53] helo=mindspring.com) by gull.prod.itd.earthlink.net with esmtp (Exim 3.33 #1) id 16ZOLu-0002vi-00; Fri, 08 Feb 2002 19:39:05 -0800 Message-ID: <3C6497EA.73CDEC64@mindspring.com> Date: Fri, 08 Feb 2002 19:30:50 -0800 From: Terry Lambert X-Mailer: Mozilla 4.7 [en]C-CCK-MCD {Sony} (Win98; U) X-Accept-Language: en MIME-Version: 1.0 To: Bill Kish Cc: hackers Subject: Re: Debugging double page fault References: <3C6478BE.BE6F5A70@coyotepoint.com> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG Bill Kish wrote: > I've recently started seeing "double fault" panics on a formerly FreeBSD > 2.2.8 based system (It's running 2.2.8 as a somewhat embedded OS, so please > don't flame me about being back rev!) [ ... ] > My rough understanding is that double faults are usually the result of > running out of stack, and that the underlying cause of the panic can probably > be uncovered if I can find the previous stack . > > Can anyone point me towards some hints for debugging this sort of crash. Any > advice greatly appreciated. It's very old. This makes me think that it used to work, and now it doesn't. What did you change just before it stopped working? If nothing, then it's likely a hardware problem. -- Terry To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message