From owner-freebsd-hackers Thu Mar 11 10:32:16 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from implode.root.com (root.com [209.102.106.178]) by hub.freebsd.org (Postfix) with ESMTP id C3EDD14DCD for ; Thu, 11 Mar 1999 10:32:11 -0800 (PST) (envelope-from root@implode.root.com) Received: from implode.root.com (localhost [127.0.0.1]) by implode.root.com (8.8.8/8.8.5) with ESMTP id KAA08792; Thu, 11 Mar 1999 10:30:50 -0800 (PST) Message-Id: <199903111830.KAA08792@implode.root.com> To: Matthew Dillon Cc: Greg Rowe , freebsd-hackers@FreeBSD.ORG Subject: Re: SMP Woes In-reply-to: Your message of "Thu, 11 Mar 1999 09:58:55 PST." <199903111758.JAA66670@apollo.backplane.com> From: David Greenman Reply-To: dg@root.com Date: Thu, 11 Mar 1999 10:30:50 -0800 Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG >:Bingo !!! The system is a 1 gig of memory, 4 cpu's. Maxusers down to 64 solved >:the Fatal Trap problem. I'll try moving the number up in stages and see where >:it breaks. I had been using 256 and a couple times 512 in testing. Thanks. >: >:Greg > > Uh huh! > > David, hackers, Gentlemen! This is the third person to hit this problem. > It is especially nasty because the failure condition is not always > something easily traceable. I, for one, would personally like to see the > problem fixed and damn the BSDI compatibility. At the very least, we > have to panic when the kernel's page table is overrun! I've increased the KVA space to 1GB, which should be sufficient for most high-end applications while keeping happy the people who want large process address spaces (>2GB). I also fixed another problem that prevented machines with >=2GB of RAM from booting. -DG David Greenman Co-founder/Principal Architect, The FreeBSD Project To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message