From owner-freebsd-questions Wed Jul 31 05:45:22 1996 Return-Path: owner-questions Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id FAA26973 for questions-outgoing; Wed, 31 Jul 1996 05:45:22 -0700 (PDT) Received: from garion.hq.ferg.com (pm1-18.wmbg.widomaker.com [204.17.220.118]) by freefall.freebsd.org (8.7.5/8.7.3) with SMTP id FAA26966 for ; Wed, 31 Jul 1996 05:45:17 -0700 (PDT) Received: from localhost.hq.ferg.com (localhost.hq.ferg.com [127.0.0.1]) by garion.hq.ferg.com (8.6.12/8.6.12) with SMTP id IAA24980; Wed, 31 Jul 1996 08:44:32 -0400 Message-Id: <199607311244.IAA24980@garion.hq.ferg.com> X-Authentication-Warning: garion.hq.ferg.com: Host localhost.hq.ferg.com didn't use HELO protocol X-Mailer: exmh version 1.6.7 5/3/96 From: Branson Matheson To: Juri Tsibrovski cc: dg@Root.COM, questions@FreeBSD.ORG Subject: Re: Considering FreeBSD In-reply-to: Your message of "Wed, 31 Jul 1996 16:24:07 +0400." <2.2.32.19960731122407.00b12a5c@myth.sw.ru> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Wed, 31 Jul 1996 08:44:31 -0400 Sender: owner-questions@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk -------- Juri Tsibrovski uttered with conviction: >At 00:06 29.07.96 -0700, David Greenman wrote: >>>On Fri, 26 Jul 1996, Paul J. Mech wrote: >>> >>>> 0) When Linux runs out of virtual memory, it crashes. What is FreeBSD's >>>> behavior under these conditions? >>> >>>FreeBSD will start killing processes until the memory problem is resolved. >>>This usually means the program that is trying to start, and working >>>backward. Occaisionally the VM system gets too busy and kills init, but >>>that is very rare. >> >> FreeBSD will never kill init or any process whose process id is less than >>48. In the extremely unlikely event that the process consuming all the memory >>has a pid less than 48, the system will hang. This is extremely unlikely >>because when the pids wrap at 32767, then wrap back to 100, so usually only >>processes that were started at system startup time will have pids < 100. Just FYI.. the wraparound for FreeBSD is 30000 and is defined by PID_MAX in /sys/sys/proc.h. -branson -- ============================================================================= Branson Matheson | Ferguson Enterprises | If Pete and Repeat were System Administrator | W: (804) 874-7795 | sittin on a fence and Pete Unix, Perl, WWW | branson@widomaker.com | fell off, who is left?