From owner-freebsd-questions@FreeBSD.ORG Fri Feb 18 02:28:17 2005 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 7C60916A4CE for ; Fri, 18 Feb 2005 02:28:17 +0000 (GMT) Received: from smtp104.rog.mail.re2.yahoo.com (smtp104.rog.mail.re2.yahoo.com [206.190.36.82]) by mx1.FreeBSD.org (Postfix) with SMTP id BDDB343D41 for ; Fri, 18 Feb 2005 02:28:16 +0000 (GMT) (envelope-from Mike.Jeays@rogers.com) Received: from unknown (HELO ?192.168.2.100?) (mjeays2551@24.114.152.139 with plain) by smtp104.rog.mail.re2.yahoo.com with SMTP; 18 Feb 2005 02:28:15 -0000 From: Mike Jeays To: Peter Risdon In-Reply-To: References: Content-Type: text/plain Message-Id: <1108693694.708.14.camel@chaucer.jeays.ca> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 Date: Thu, 17 Feb 2005 21:28:14 -0500 Content-Transfer-Encoding: 7bit cc: "freebsd-questions@freebsd.org" Subject: Re: NFS hangs on 5.3-RELEASE-p5 X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 18 Feb 2005 02:28:17 -0000 On Thu, 2005-02-17 at 07:09, Robert Watson wrote: > On Thu, 17 Feb 2005, Peter Risdon wrote: > > > On Tue, 2005-02-15 at 14:23 +0200, Simonas Kareiva wrote: > > > > [...] > > > > > > The problem is, that the nfs server hangs after running for a while, > > > like, 20 minutes. Any file operations (at the nfs mount points and > > > below) hang on the ftp server too, making it inaccessible. > > > > I'm having the same problem here, also with 5.3 but in my case with > > rsync. Oddly, the hang often happens at exactly the same point in a file > > hierarchy and I initially suspected a problem with some specific files, > > then with certain file types (it always seemed to hang when copying > > pdfs). But it now seems to be more general than that. In fact, even > > periods of inactivity can cause the nfs mount on the client to time out. > > If you do a "ps axl | grep nfsd", what wait channel is shown for the nfsd > that's wedged? If you compile your kernel with "options DDB", "options > KDB", and "options BREAK_TO_DEBUGGER", wait for the problem to occur, > break into the debugger using ctrl-alt-escape or a serial break on serial > console, "trace pid" the process, and type "continue" to get out of the > debugger, could you send me the output of the stack trace for the nfsd > process? > > Robert N M Watson > > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org" Try the following incantation in /etc/fstab. faraday:/usr /faraday nfs rw,-r=1024,noauto 0 0 There is a reference in the Handbook, section 23.3.5 For me, this completely cured a similar problem.