From owner-freebsd-questions@FreeBSD.ORG Tue Sep 16 15:51:24 2008 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 68C8D1065674 for ; Tue, 16 Sep 2008 15:51:24 +0000 (UTC) (envelope-from laladelausanne@gmail.com) Received: from yw-out-2324.google.com (yw-out-2324.google.com [74.125.46.30]) by mx1.freebsd.org (Postfix) with ESMTP id 210128FC19 for ; Tue, 16 Sep 2008 15:51:24 +0000 (UTC) (envelope-from laladelausanne@gmail.com) Received: by yw-out-2324.google.com with SMTP id 9so827661ywe.13 for ; Tue, 16 Sep 2008 08:51:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:from:to :in-reply-to:content-type:content-transfer-encoding:mime-version :subject:date:references:x-mailer; bh=gpvWxwN1CLRcl5DGqF7zuazC0JdsPtTaVY/lpkyp5J8=; b=ZpOFUiimKpSHuQxAjObfHA9XDFZnJ66kwiTx4zagoGDGXIlHYz/W6TfGrFHfDwPnSZ FwQ4ARGD+hj8079ZUZgFw65YcqtsMV6GJZSVBDfeFtzy4bn1mVkKIY4/DBGMvkCP5V5v iOObJtsfDltS3ghiQ9l+AtrGFkiG76DyqliaA= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:from:to:in-reply-to:content-type :content-transfer-encoding:mime-version:subject:date:references :x-mailer; b=jYcJ/9WVT2/YmtGYmh3mYjoxTPXwpDegFmVtJia5c2NP0yHPorWBD7hNdfIhqjlJnC jPE6xkzUMktGC8Id1PwN5F0YWVeiRTZ1WV8SJqkirswleQP31I2eQKXK2xL2RG9sQ0Lp h9a1zjdWoAmv4+MnnLh0gZ7lkh9YP49SN+feY= Received: by 10.86.1.1 with SMTP id 1mr881038fga.61.1221580282095; Tue, 16 Sep 2008 08:51:22 -0700 (PDT) Received: from nslpc5.epfl.ch ( [128.178.149.20]) by mx.google.com with ESMTPS id e20sm16864767fga.1.2008.09.16.08.51.21 (version=TLSv1/SSLv3 cipher=RC4-MD5); Tue, 16 Sep 2008 08:51:21 -0700 (PDT) Message-Id: From: =?UTF-8?Q?Nikola_Kne=C5=BEevi=C4=87?= To: freebsd-questions@freebsd.org In-Reply-To: Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (Apple Message framework v929.2) Date: Tue, 16 Sep 2008 17:51:19 +0200 References: X-Mailer: Apple Mail (2.929.2) Subject: Re: Strange hang with dummynet X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 16 Sep 2008 15:51:24 -0000 On 16 Sep 2008, at 14:38 , Nikola Kne?evi? wrote: > I'm running FreeBSD 7.1-PRERELEASE with custom kernel on my box, and > when I did: > kldload dummynet && kldload ipfw > the machine just "hanged" - I couldn't access it over ssh, and > current sessions were blocked. > This happens also with GENERIC. I didn't touch anything related to > ipfw or dummynet's configuration (that I know). > Any thoughts? How can I debug this? To reply to myself, for future reference :) dummynet loads ipfw, which has the default rule of drop all. Thus machines shows as inaccessible/unresponsive. Cheers, Nikola