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Date:      Sun, 18 Jan 2004 00:19:10 -0800
From:      Kris Kennaway <kris@obsecurity.org>
To:        Danny Braniss <danny@cs.huji.ac.il>
Cc:        hackers@freebsd.org
Subject:   Re: network constipation?
Message-ID:  <20040118081910.GA84236@xor.obsecurity.org>
In-Reply-To: <E1Ai7dh-0002r4-SL@cs.huji.ac.il>
References:  <E1Ai7dh-0002r4-SL@cs.huji.ac.il>

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On Sun, Jan 18, 2004 at 09:46:33AM +0200, Danny Braniss wrote:
> hi,
> 	i have 2 amd64s (one dual opteron, one athlon64), which behave=20
> identicaly. Im trying to compile /usr/ports/x11-fonts, ports & obj are
> nfs mounted (on the the same server).=20
> 	so things go nicely, but after a while gzip hangs, and later
> i get 'nfs server dev:/r+d: not responding', this happens on both
> hosts, (i just tried it on both to see if the error was in the driver,
> since they have different cards).
> 	it's almost obvious that i've hit on a deadlock, where can i look
> for some hint?

First step when you encounter strange kernel problems is to turn on
the debugging options: INVARIANTS, INVARIANTS_SUPPORT, WITNESS etc.

Kris


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