From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932120AbVLTVVM (ORCPT ); Tue, 20 Dec 2005 16:21:12 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932122AbVLTVVL (ORCPT ); Tue, 20 Dec 2005 16:21:11 -0500 Received: from gate.crashing.org ([63.228.1.57]:27533 "EHLO gate.crashing.org") by vger.kernel.org with ESMTP id S932121AbVLTVVK (ORCPT ); Tue, 20 Dec 2005 16:21:10 -0500 Subject: Re: sungem hangs in atomic if netconsole enabled but no carrier From: Benjamin Herrenschmidt To: Johannes Berg Cc: linux-kernel@vger.kernel.org, "David S. Miller" , Eric Lemoine In-Reply-To: <1135080538.3937.3.camel@localhost> References: <1135080538.3937.3.camel@localhost> Content-Type: text/plain Date: Wed, 21 Dec 2005 08:18:40 +1100 Message-Id: <1135113521.10035.107.camel@gaston> Mime-Version: 1.0 X-Mailer: Evolution 2.2.3 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > Turns out that if I remove the netconsole=... option to my kernel, all > works fine and the system no longer hangs. Obviously not plugging in a > network cable is pretty useless when netconsole is turned on, but I > think it should not hang the system completely. So far I haven't been > able to figure out where it actually hangs and don't even know how to do > so -- I'm open for suggestions on how to find out why/where it hangs or > even fixes. Hrm... I've heard various reports about problems with netconsole... I've never tried it myself so far though. One thing I remember to beware of is if sungem does a printk while holding its lock... Ben.