From owner-freebsd-stable Tue Nov 30 11:44:41 1999 Delivered-To: freebsd-stable@freebsd.org Received: from bingnet2.cc.binghamton.edu (bingnet2.cc.binghamton.edu [128.226.1.18]) by hub.freebsd.org (Postfix) with ESMTP id AE0E215A1D for ; Tue, 30 Nov 1999 11:44:22 -0800 (PST) (envelope-from zzhang@cs.binghamton.edu) Received: from sol.cs.binghamton.edu (cs1-gw.cs.binghamton.edu [128.226.171.72]) by bingnet2.cc.binghamton.edu (8.9.3/8.9.3) with SMTP id OAA23043; Tue, 30 Nov 1999 14:44:16 -0500 (EST) Date: Tue, 30 Nov 1999 13:31:23 -0500 (EST) From: Zhihui Zhang To: David Gilbert Cc: freebsd-stable@FreeBSD.ORG Subject: Re: stack up or stack down. In-Reply-To: <14404.5187.497998.940864@trooper.velocet.net> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Tue, 30 Nov 1999, David Gilbert wrote: > I'm trying to track down where vinum is trashing the kernel stack. It > has been suggested that the only way to attack this it to rummage > around the stack for a valid frame. To that end, does the kernel > stack build up (from low to high addresses) or down (high to low > addresses) in FreeBSD? > This is a question determined by the Intel hardware, not by FreeBSD. So it should grow downwards (to lower addresses). Wait, it may depend on how an OS like FreeBSD sets the stack segment attributes... I'd like to know the answer. -Zhihui To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message