Date: Thu, 17 Feb 2005 21:28:14 -0500 From: Mike Jeays <Mike.Jeays@rogers.com> To: Peter Risdon <peter@circlesquared.com> Cc: "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org> Subject: Re: NFS hangs on 5.3-RELEASE-p5 Message-ID: <1108693694.708.14.camel@chaucer.jeays.ca> In-Reply-To: <Pine.NEB.3.96L.1050217120755.38170E-100000@fledge.watson.org> References: <Pine.NEB.3.96L.1050217120755.38170E-100000@fledge.watson.org>
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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.
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