Return-path: Received: from nf-out-0910.google.com ([64.233.182.190]:50778 "EHLO nf-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754356AbYIRTXN (ORCPT ); Thu, 18 Sep 2008 15:23:13 -0400 Received: by nf-out-0910.google.com with SMTP id d3so29581nfc.21 for ; Thu, 18 Sep 2008 12:23:11 -0700 (PDT) Message-ID: (sfid-20080918_212318_100315_56EF1056) Date: Thu, 18 Sep 2008 12:23:11 -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: LKML , "Ingo Molnar" , linux-wireless , "ath9k-devel@lists.ath9k.org" In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 References: <43e72e890809181134ybbec8fdxcb2a466aa17fe390@mail.gmail.com> <43e72e890809181142n7738cd99g522e6688e68d11ce@mail.gmail.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: On Thu, Sep 18, 2008 at 12:00 PM, Steven Noonan wrote: > On Thu, Sep 18, 2008 at 11:42 AM, Luis R. Rodriguez > wrote: >> On Thu, Sep 18, 2008 at 11:34 AM, Luis R. Rodriguez >>> irqpoll is a monster of evil and that should make your system crawl to >>> its knees. I would advise instead we work with you fixing the the >>> missed interrupts issue upon rmmod. >> >> Also, please provide the output of >> >> cat /proc/interrupts > > Note that the problem necessitating use of irqpoll in the first place > seems to only happen under certain conditions. I am unsure what these > conditions are. Before 'ath9k: connectivity is lost after Group > rekeying is done', I had used rmmod/modprobe as my solution to the > issue, which triggered the IRQ issue. I wonder if this is related: alcarin ~ # dmesg | grep GPE [ 0.166806] ACPI: EC: GPE = 0x17, I/O: command/status = 0x66, data = 0x62 [ 685.409077] ACPI: EC: GPE storm detected, disabling EC GPE