From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753669AbYITVW7 (ORCPT ); Sat, 20 Sep 2008 17:22:59 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751651AbYITVWu (ORCPT ); Sat, 20 Sep 2008 17:22:50 -0400 Received: from ey-out-2122.google.com ([74.125.78.25]:7545 "EHLO ey-out-2122.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751641AbYITVWs (ORCPT ); Sat, 20 Sep 2008 17:22:48 -0400 Message-ID: Date: Sat, 20 Sep 2008 14:22:46 -0700 From: "Steven Noonan" To: "Luis R. Rodriguez" Subject: Re: [ath9k-devel] ath9k: massive unexplained latency in 2.6.27 (rc5, rc6, probably others) Cc: "Johannes Berg" , linux-wireless , LKML , "Senthilkumar Balasubramanian" , "ath9k-devel@lists.ath9k.org" , "Luis Rodriguez" , "Ingo Molnar" In-Reply-To: <43e72e890809201403w2c4511fdv2fe26bbcf49ccdd7@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20080919235305.GD11665@tesla> <43e72e890809191813n95579f5h83e92b0ba1f95a44@mail.gmail.com> <43e72e890809201357y1413a151r85aad7cc16440cf4@mail.gmail.com> <1221944338.3023.8.camel@johannes.berg> <43e72e890809201403w2c4511fdv2fe26bbcf49ccdd7@mail.gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, Sep 20, 2008 at 2:03 PM, Luis R. Rodriguez wrote: > > OK so yeah you have an interrupt storm, this is evident. Indeedy. > > Do you think there is a way you can try to trigger the interrupt storm > so it happens < than after 7 hours or however long its taking you? If > so then it'd be good to get your debug out using the interrupt debug. > If that's not useful then we can enable all debug stuff (file will be > huge). It's apparently 7 idle hours and ~1-2 hours when I'm actively browsing the web. I don't know what in particular triggers it, so I guess I'd just need to enable debug logging and then start running through all my webcomics, or perhaps perusing Wikipedia. > Try turning on the microwave, turn on all your bluetooth devices, use > your 2.4 GHz wireless phone, use your xbox 360 controllers and ps3 > controllers all at once :D Heh. I don't have an Xbox 360 or PS3 (sad, I know). Do have several 2.4GHz phones. ;)