Return-path: Received: from mail-wg0-f44.google.com ([74.125.82.44]:47116 "EHLO mail-wg0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755430Ab2ECTEv convert rfc822-to-8bit (ORCPT ); Thu, 3 May 2012 15:04:51 -0400 Received: by wgbdr13 with SMTP id dr13so2042915wgb.1 for ; Thu, 03 May 2012 12:04:49 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <20120503065351.GB2307@ritirata.org> References: <20120430145803.GE2630@ritirata.org> <20120430170337.GA2560@tuxdriver.com> <4595B4D22AB93C4FABBA84AAD5AA37FD143115@ORSMSX103.amr.corp.intel.com> <20120501183415.GG4316@ritirata.org> <20120501205616.GA2563@ritirata.org> <4595B4D22AB93C4FABBA84AAD5AA37FD14438A@ORSMSX103.amr.corp.intel.com> <20120502153914.GA9285@tuxdriver.com> <20120502162100.GA2528@ritirata.org> <20120503065351.GB2307@ritirata.org> Date: Thu, 3 May 2012 22:04:49 +0300 Message-ID: (sfid-20120503_210454_257155_E57E0D2C) Subject: Re: iwlwifi warn_slowpath with 3.* From: Emmanuel Grumbach To: Antonio Quartulli Cc: "John W. Linville" , "Venkataraman, Meenakshi" , "linux-wireless@vger.kernel.org" Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-wireless-owner@vger.kernel.org List-ID: Please enable CONFIG_FRAME_POINTERS Emmanuel Grumbach egrumbach@gmail.com On Thu, May 3, 2012 at 9:53 AM, Antonio Quartulli wrote: > On Wed, May 02, 2012 at 06:21:02PM +0200, Antonio Quartulli wrote: >> On Wed, May 02, 2012 at 11:39:14AM -0400, John W. Linville wrote: >> > On Wed, May 02, 2012 at 10:08:46AM +0300, Emmanuel Grumbach wrote: >> > > On Wed, May 2, 2012 at 12:19 AM, Venkataraman, Meenakshi >> > > wrote: >> > > > Hi Antonio, >> > > > >> > > >>> it seems so. It happens at least once at boot time. >> > > >>> I will try wireless-testing and see what happens. Then I will apply your patch. >> > > >> >> > > >>The problem is there either with wireless-testing and with >> > > >>wireless-testing+your_patch. >> > > >> >> > > >>If it can somehow help, I also got several stack trace regarding intel_iova >> > > >>functions. But then the I got kernel panic and I was not able to copy the >> > > >>messages. >> > > > >> > > > [MV] Depending on how you set it up, perhaps the stack trace was saved in one of the syslog files in /var/log/... >> > > > >> > > > Thanks! >> > > > Meenakshi >> > > > >> > > >> > > Can you please re-run with debug=1 and send the whole log ? >> > > This will give a better indication on when the issue occurs. >> > >> > Does this help? >> > >> > ? ? https://bugzilla.redhat.com/show_bug.cgi?id=815998#c18 >> >> I applied patch in comment 17 on linux-3.3.4. IT didn't help but this time I got >> the WARNING even with debug=1. Log is attached. >> > > > Is there any particular kernel debugging option I could enable to make the log > more verbose? > > > Cheers, > > > > -- > Antonio Quartulli > > ..each of us alone is worth nothing.. > Ernesto "Che" Guevara