From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754897Ab0AUSS5 (ORCPT ); Thu, 21 Jan 2010 13:18:57 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754816Ab0AUSS5 (ORCPT ); Thu, 21 Jan 2010 13:18:57 -0500 Received: from mail-iw0-f196.google.com ([209.85.223.196]:46882 "EHLO mail-iw0-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754673Ab0AUSS4 convert rfc822-to-8bit (ORCPT ); Thu, 21 Jan 2010 13:18:56 -0500 MIME-Version: 1.0 In-Reply-To: <20100121002801.GA9738@gamma.logic.tuwien.ac.at> References: <1263920481.4838.32.camel@rchatre-DESK> <1263923990.28066.3.camel@johannes.local> <20100120003603.GB21011@gamma.logic.tuwien.ac.at> <20100115152215.GC2541@gamma.logic.tuwien.ac.at> <1263576588.2751.455.camel@rc-desk> <20100119054715.GA10780@gamma.logic.tuwien.ac.at> <1263981160.9171.5.camel@johannes.local> <1263979965.10275.2.camel@debian> <20100121002801.GA9738@gamma.logic.tuwien.ac.at> Date: Thu, 21 Jan 2010 10:18:54 -0800 Message-ID: Subject: Re: [ipw3945-devel] hang on 2.6.33-rc4 From: John Ranson To: Norbert Preining Cc: Zhu Yi , Johannes Berg , "Chatre, Reinette" , "linux-kernel@vger.kernel.org" , "ipw3945-devel@lists.sourceforge.net" Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Do you have a point and shoot camera that can shoot video? I've used one in the past to capture debug info that scrolls by too quickly. John On Wed, Jan 20, 2010 at 4:28 PM, Norbert Preining wrote: > Dear all, > > On Mi, 20 Jan 2010, Zhu Yi wrote: >> Looks like this this is the BUG_ON in skb_pull. Please try if this patch >> help? BTW, are you using swiotlb? > > On Mi, 20 Jan 2010, Johannes Berg wrote: >> > # CONFIG_FRAME_POINTER is not set >> >> The stacktrace would be a lot more useful with it set, yes. Other than >> that, I don't know. If there's a way to make your display resolution >> higher that might be useful so more info fits on the screen, or maybe >> trimming the stack trace depth (though I don't know if that's possible, >> I do know it is on powerpc because I added it there but not sure on x86) >> >> All assuming you can reproduce this issue, of course. > > > @Zhu: the patch didn't help. I patched it into the kernel plus activated > CONFIG_FRAME_POINTER which led to the same hang (not surprisingly, the > patch does only debug more ;-) > > This time unfortunately I there was too much output to actually capture it. > > @Johannes: 100% reproducible. Everytime I boot into 33-rc4 and ssh into > any remote place it goes boom. 100%. > > Maybe another tidbig might help: With 2.6.32.3 it happens that I have > hickups with WLAN: > [  996.514491] iwlagn 0000:06:00.0: iwl_tx_agg_start on ra = 00:24:c4:ab:bb:42 tid = 0 > and the connections needs 10-20secs (hard to guess) until it is > back alive. > > Best wishes > > Norbert > ------------------------------------------------------------------------ > Norbert Preining            preining@{jaist.ac.jp, logic.at, debian.org} > JAIST, Japan            TU Wien, Austria           Debian TeX Task Force > DSA: 0x09C5B094   fp: 14DF 2E6C 0307 BE6D AD76  A9C0 D2BF 4AA3 09C5 B094 > ------------------------------------------------------------------------ > AITH (n.) > The single bristle that sticks out sideways on a cheap paintbrush. >                        --- Douglas Adams, The Meaning of Liff > > ------------------------------------------------------------------------------ > Throughout its 18-year history, RSA Conference consistently attracts the > world's best and brightest in the field, creating opportunities for Conference > attendees to learn about information security's most important issues through > interactions with peers, luminaries and emerging and established companies. > http://p.sf.net/sfu/rsaconf-dev2dev > _______________________________________________ > Ipw3945-devel mailing list > Ipw3945-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/ipw3945-devel >