From mboxrd@z Thu Jan 1 00:00:00 1970 From: Krzysztof Halasa Subject: Re: 2.6.18-rc5 with GRE, iptables and Speedtouch ADSL, PPP over ATM Date: Sun, 03 Sep 2006 00:59:24 +0200 Message-ID: References: <20060902214839.GA27295@electric-eye.fr.zoreil.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org Return-path: Received: from khc.piap.pl ([195.187.100.11]:62357 "EHLO khc.piap.pl") by vger.kernel.org with ESMTP id S1751681AbWIBW70 (ORCPT ); Sat, 2 Sep 2006 18:59:26 -0400 To: Francois Romieu In-Reply-To: <20060902214839.GA27295@electric-eye.fr.zoreil.com> (Francois Romieu's message of "Sat, 2 Sep 2006 23:48:40 +0200") Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org Francois Romieu writes: > dev_activate takes BH disabling locks only. How could a softirq happen > on the same cpu and trigger a deadlock ? That's BTW "possible circular locking dependency" and there is only one CPU (no HT, single core - an old mobile Celeron P3). I have to admit this machine has a history of mysterious hangs (black screen of death), though I think they are related to LAN and maybe disk activity, not GRE/PPP/ATM/ADSL (RAM tests ok, the hardware is rather common - i440BX etc. but who knows). -- Krzysztof Halasa -- VGER BF report: S 0.999877