Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752112AbZLIOlF (ORCPT ); Wed, 9 Dec 2009 09:41:05 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751336AbZLIOlE (ORCPT ); Wed, 9 Dec 2009 09:41:04 -0500 Received: from iolanthe.rowland.org ([192.131.102.54]:39420 "HELO iolanthe.rowland.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1750926AbZLIOlD (ORCPT ); Wed, 9 Dec 2009 09:41:03 -0500 Date: Wed, 9 Dec 2009 09:41:07 -0500 (EST) From: Alan Stern X-X-Sender: stern@iolanthe.rowland.org To: Gertjan van Wingerde cc: Ivo van Doorn , , Kernel development list Subject: Re: REGRESSION for RT2561/RT61 in 2.6.32 In-Reply-To: <14add3d10912080648w5610d533h2cf08a9d79fa48c1@mail.gmail.com> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 848 Lines: 24 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. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/