Return-path: Received: from cpsmtpm-eml103.kpnxchange.com ([195.121.3.7]:58453 "EHLO CPSMTPM-EML103.kpnxchange.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753815AbZLIV5y (ORCPT ); Wed, 9 Dec 2009 16:57:54 -0500 Message-ID: <4B201D67.8000607@gmail.com> Date: Wed, 09 Dec 2009 22:57:59 +0100 From: Gertjan van Wingerde MIME-Version: 1.0 To: Alan Stern CC: Ivo van Doorn , linux-wireless@vger.kernel.org, Kernel development list Subject: Re: REGRESSION for RT2561/RT61 in 2.6.32 References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-wireless-owner@vger.kernel.org List-ID: On 12/09/09 15:41, Alan Stern wrote: > On Tue, 8 Dec 2009, Gertjan van Wingerde wrote: > >> Hmm, the stack overrun seems to be generated as part of the >> Alt-SysRq-* handling, not of any rt61pci handling. >> >> I noticed in the Alt-SysRq-T output that powersaving is enabled. We've >> seen some strange behaviour on this, so could you disable that with: >> >> iwconfig wlan0 power off >> >> or run a kernel in which CONFIG_CFG80211_DEFAULT_PS is disabled. >> >> Maybe that will fix the problem we are seeing? > > It did indeed! Thank you very much. If you need a testbed to figure > out what's wrong with the power-saving code, just ask. > Great! Thanks for testing and confirming. I'll disable powersaving for rt2x00 for now. And then to find the bugs in there before enabling it again :-( --- Gertjan.