From owner-freebsd-hackers Fri Dec 21 10:18:32 2001 Delivered-To: freebsd-hackers@freebsd.org Received: from salmon.maths.tcd.ie (salmon.maths.tcd.ie [134.226.81.11]) by hub.freebsd.org (Postfix) with SMTP id 81B9237B41E for ; Fri, 21 Dec 2001 10:18:06 -0800 (PST) Received: from walton.maths.tcd.ie by salmon.maths.tcd.ie with SMTP id ; 21 Dec 2001 18:18:05 +0000 (GMT) Date: Fri, 21 Dec 2001 18:18:04 +0000 From: David Malone To: Michael Scheidell Cc: freebsd-hackers@freebsd.org, peter@wemm.org Subject: Re: userland program panics freebsd 4.3 Message-ID: <20011221181804.A40540@walton.maths.tcd.ie> References: <20011221174007.D551C38CC@overcee.netplex.com.au> <200112211751.fBLHpcr02576@scanner.secnap.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <200112211751.fBLHpcr02576@scanner.secnap.net>; from scheidell@secnap.net on Fri, Dec 21, 2001 at 12:51:38PM -0500 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 On Fri, Dec 21, 2001 at 12:51:38PM -0500, Michael Scheidell wrote: > > My gut reaction tells me that this is either a kernel stack overflow or out > > of KVM. The kernel stack overflow problem was "fixed" in 4.4-STABLE some > > time back (change UPAGES from 2 to 3 in the kernel) so that the kernel stack > > changes from 4.5K to 8.5K. > > Ok, 'fixed', thats good, makes me want to try the 4.4 kernel, or could I > tune 4.3 kernel to a 8.5k stack? This one is easy - edit /usr/src/sys/i386/include/param.h and change UPAGES from 2 to 3 (or even 5 if you like). I got Bruce to add an errata about this... David. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message