From owner-freebsd-hackers Tue Mar 25 19:21:20 1997 Return-Path: Received: (from root@localhost) by freefall.freebsd.org (8.8.5/8.8.5) id TAA10028 for hackers-outgoing; Tue, 25 Mar 1997 19:21:20 -0800 (PST) Received: from genesis.atrad.adelaide.edu.au (genesis.atrad.adelaide.edu.au [129.127.96.120]) by freefall.freebsd.org (8.8.5/8.8.5) with ESMTP id TAA10022 for ; Tue, 25 Mar 1997 19:21:14 -0800 (PST) Received: (from msmith@localhost) by genesis.atrad.adelaide.edu.au (8.8.5/8.7.3) id NAA24228; Wed, 26 Mar 1997 13:51:06 +1030 (CST) From: Michael Smith Message-Id: <199703260321.NAA24228@genesis.atrad.adelaide.edu.au> Subject: Re: Anyone else seen this? In-Reply-To: <33388927.41C67EA6@servtech.com> from Shawn Carey at "Mar 25, 97 09:25:43 pm" To: smc@servtech.com (Shawn Carey) Date: Wed, 26 Mar 1997 13:51:06 +1030 (CST) Cc: freebsd-hackers@FreeBSD.ORG X-Mailer: ELM [version 2.4ME+ PL28 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-hackers@FreeBSD.ORG X-Loop: FreeBSD.org Precedence: bulk Shawn Carey stands accused of saying: > > Now that we are running 2.2-RELEASE, this anomaly appears to be > something more serious than I originally thought, as gdb now stops the > program with the message "Process killed due to text file modification", > and sure enough, the file's date is changing but a diff between an idle > copy and the "modified" executable is nil. Furthermore, I have recently > discovered that if I link the program with -static, the problem goes > away. This looks very much like a problem that has been reported many times before, where one or more pages from a process' text are written back to the file. The pages aren't actually changed, but the file's timestamp is obviously updated. > says he has seen similar occurences, and John Dyson, who seems to have a > full plate at the moment. That he does. If someone wanted to learn a little about the FreeBSD VM, this would be an excellent and worthwhile bug to squash. > -Shawn Carey -- ]] Mike Smith, Software Engineer msmith@gsoft.com.au [[ ]] Genesis Software genesis@gsoft.com.au [[ ]] High-speed data acquisition and (GSM mobile) 0411-222-496 [[ ]] realtime instrument control. (ph) +61-8-8267-3493 [[ ]] Unix hardware collector. "Where are your PEZ?" The Tick [[