From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from latitanza.investici.org ([82.94.249.234]:33572 "EHLO latitanza.investici.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754586Ab2ECUJA (ORCPT ); Thu, 3 May 2012 16:09:00 -0400 Date: Thu, 3 May 2012 22:09:49 +0200 From: Antonio Quartulli To: Emmanuel Grumbach Cc: "John W. Linville" , "Venkataraman, Meenakshi" , "linux-wireless@vger.kernel.org" Subject: Re: iwlwifi warn_slowpath with 3.* Message-ID: <20120503200948.GC11326@ritirata.org> (sfid-20120503_220904_658174_6D205B57) References: <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> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="69pVuxX8awAiJ7fD" In-Reply-To: Sender: linux-wireless-owner@vger.kernel.org List-ID: --69pVuxX8awAiJ7fD Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, May 03, 2012 at 10:55:12PM +0300, Emmanuel Grumbach wrote: > Hi >=20 > can you please apply the patch attached against wireless-testing ? which patch? If you refer to the patch attached to the bugreport, it doesn't apply on wireless-testing. Cheers, >=20 > You will have quite a lot of prints, so you will probably need to send > /var/log/syslog or messages >=20 >=20 > Thanks >=20 > Emmanuel Grumbach > egrumbach@gmail.com >=20 >=20 > On Thu, May 3, 2012 at 10:04 PM, Emmanuel Grumbach = wrote: > > 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 regardin= g intel_iova > >>> > > >>functions. But then the I got kernel panic and I was not able t= o copy the > >>> > > >>messages. > >>> > > > > >>> > > > [MV] Depending on how you set it up, perhaps the stack trace wa= s saved in one of the syslog files in /var/log/... > >>> > > > > >>> > > > Thanks! > >>> > > > Meenakshi > >>> > > > > >>> > > > >>> > > Can you please re-run with debug=3D1 and send the whole log ? > >>> > > This will give a better indication on when the issue occurs. > >>> > > >>> > Does this help? > >>> > > >>> > =C2=A0 =C2=A0 https://bugzilla.redhat.com/show_bug.cgi?id=3D815998#= 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=3D1. 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 --=20 Antonio Quartulli =2E.each of us alone is worth nothing.. Ernesto "Che" Guevara --69pVuxX8awAiJ7fD Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (GNU/Linux) iQEcBAEBAgAGBQJPouYMAAoJEFMQTLzJFOZFyVcH/jFtXAAJuTdZDR5Bo5rQiN+y XdrHdoemWG0ifI7485Mvd+0W/y4tXhXI5MYGmg3kXp/yy8l16ona81q1bNTKSXnR YyZj0EuSpDohxBx8TqfCP4w46j5EcYyJaOM+WAPRLEFOgLA8pdhNjCevINk+UYiK MN6kWRtzqZYIHebOFQn6d3gUDy8zv6+8CLfNJ6VgDt6TdYE3Hy4fM1aRnC7VHFNe OMEiTpLzdRH7x34GGtNsjAFh5RwNM2KMX9poZTz8eYTUPy678JjCWUXpEXZW6V6r uaVUeVMw8+bIDFzZYusjOTR8xvBXuFQioWxaftrbZa/0qAYQOfCF+KCzP8TouDE= =lSzc -----END PGP SIGNATURE----- --69pVuxX8awAiJ7fD--