Return-path: Received: from ey-out-2122.google.com ([74.125.78.24]:5168 "EHLO ey-out-2122.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751651AbYITVWs (ORCPT ); Sat, 20 Sep 2008 17:22:48 -0400 Received: by ey-out-2122.google.com with SMTP id 6so281400eyi.37 for ; Sat, 20 Sep 2008 14:22:46 -0700 (PDT) Message-ID: (sfid-20080920_232252_784435_578CABDC) 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 References: <20080919235305.GD11665@tesla> <43e72e890809191813n95579f5h83e92b0ba1f95a44@mail.gmail.com> <43e72e890809201357y1413a151r85aad7cc16440cf4@mail.gmail.com> <1221944338.3023.8.camel@johannes.berg> <43e72e890809201403w2c4511fdv2fe26bbcf49ccdd7@mail.gmail.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: 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. ;)