From owner-freebsd-current Mon Jan 26 18:02:50 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id SAA14056 for current-outgoing; Mon, 26 Jan 1998 18:02:50 -0800 (PST) (envelope-from owner-freebsd-current@FreeBSD.ORG) Received: from dyson.iquest.net (dyson.iquest.net [198.70.144.127]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id SAA14049 for ; Mon, 26 Jan 1998 18:02:48 -0800 (PST) (envelope-from toor@dyson.iquest.net) Received: (from root@localhost) by dyson.iquest.net (8.8.8/8.8.8) id VAA25018; Mon, 26 Jan 1998 21:02:42 -0500 (EST) (envelope-from toor) Message-Id: <199801270202.VAA25018@dyson.iquest.net> Subject: Re: Problems with NFS in -current In-Reply-To: from Tom Bartol at "Jan 26, 98 04:31:48 pm" To: bartol@salk.edu Date: Mon, 26 Jan 1998 21:02:42 -0500 (EST) Cc: freebsd-current@FreeBSD.ORG From: "John S. Dyson" Reply-To: dyson@FreeBSD.ORG X-Mailer: ELM [version 2.4ME+ PL32 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk Tom Bartol said: > > Hi all, > > -- I just ran a script which redirected it's standard out and standard > error to a log file (i.e. blah >& logfile ) and did a tail -f on the log > file where logfile was on an NFS-mounted filesystem. All looked fine so I > quit from the tail process and then did the tail -f again a moment later > but this time the file look corrupted at the end. I then did a cat on the > file and it was indeed corrupted at the end of the file (full of ^@ > characters inserted in the file during the time I was viewing the file > with tail, but good data for the time when I was not viewing the file). I > can replicate the problem reliably on NFS filesystems but the problem does > not occur on local filesystems. > Thanks for the feedback. I'll see what else is wrong :-). Mmap and friends are still problematical on NFS, but they are definitely fixable. ... Wierd but funny stuff removed > > Is this the feedback on -current you were looking for, John? > yes, actually thanks for prompt feedback, while I still understand the code :-). -- John | Never try to teach a pig to sing, dyson@freebsd.org | it just makes you look stupid, jdyson@nc.com | and it irritates the pig.