Return-path: Received: from mail-gx0-f16.google.com ([209.85.217.16]:40755 "EHLO mail-gx0-f16.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755864AbYIRUSl (ORCPT ); Thu, 18 Sep 2008 16:18:41 -0400 Received: by gxk9 with SMTP id 9so31813188gxk.13 for ; Thu, 18 Sep 2008 13:18:39 -0700 (PDT) Message-ID: (sfid-20080918_221844_746562_703AE536) Date: Thu, 18 Sep 2008 13:18:39 -0700 From: "Justin Mattock" To: "Steven Noonan" Subject: Re: [ath9k-devel] ath9k: massive unexplained latency in 2.6.27 (rc5, rc6, probably others) Cc: "Luis R. Rodriguez" , 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 12:23 PM, Steven Noonan wrote: > 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 > -- > 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/ > FWIW, you might want to try this pach in this thread: http://www.gossamer-threads.com/lists/linux/kernel/966076 I was receiving a disable irq #23 this patch"knock on wood", seems to help with this issue. -- Justin P. Mattock