From owner-freebsd-hackers Wed Dec 4 15:16: 2 2002 Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id B30F537B401 for ; Wed, 4 Dec 2002 15:16:01 -0800 (PST) Received: from popelschnipser.de (ultrakoreggd.org [217.160.78.206]) by mx1.FreeBSD.org (Postfix) with SMTP id 078DB43EB2 for ; Wed, 4 Dec 2002 15:15:59 -0800 (PST) (envelope-from marc@informatik.uni-bremen.de) Received: (qmail 24752 invoked by uid 1048); 4 Dec 2002 23:15:57 -0000 Received: from marc@informatik.uni-bremen.de by p10089345 by uid 1045 with qmail-scanner-1.15 (clamscan: 0.54. spamassassin: 2.42. Clear:. Processed in 0.264309 secs); 04 Dec 2002 23:15:57 -0000 Received: from unknown (HELO ?192.168.100.100?) (217.82.117.82) by ultrakoreggd.org with SMTP; 4 Dec 2002 23:15:56 -0000 Date: Thu, 05 Dec 2002 00:15:55 +0100 From: Marc Recht To: Terry Lambert , Varshavchick Alexander Cc: freebsd-questions@FreeBSD.ORG, freebsd-hackers@FreeBSD.ORG Subject: Re: maxusers and random system freezes Message-ID: <270960000.1039043755@leeloo.intern.geht.de> In-Reply-To: <3DEE4539.238D0F6B@mindspring.com> References: <3DEE4539.238D0F6B@mindspring.com> X-Mailer: Mulberry/3.0.0b9 (Linux/x86) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline 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 > With these settings, and that much physical RAM, you should set > your KVA space to 3G (the default is 2G); have you? > > Most likely, you are running out of KVA space for mappings. Every now and this I hear people saying (mostly you :)) that some problems are KVA related or that the KVA must be increased. This makes me a bit curious, since I've never seen problems like that on Linux. It sounds for me, the not kernel hacker, a bit like something which should be set at boot time (or via sysctl). Have you got some pointers which explain FreeBSD's KVA ? Regards, Marc "Premature optimization is the root of all evil." -- Donald E. Knuth To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message