Return-path: Received: from latitanza.investici.org ([82.94.249.234]:20152 "EHLO latitanza.investici.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752612Ab3IEOYN (ORCPT ); Thu, 5 Sep 2013 10:24:13 -0400 Date: Thu, 5 Sep 2013 16:21:22 +0200 From: Antonio Quartulli To: Oleksij Rempel Cc: ath9k-devel , linux-wireless@vger.kernel.org Subject: Re: WARNING with ath9k_htc on TL-WN721N Message-ID: <20130905142122.GE1570@ritirata.org> (sfid-20130905_162417_203347_FB06A98E) References: <20130905100914.GA1570@ritirata.org> <52285C02.8050205@rempel-privat.de> <20130905103204.GB1570@ritirata.org> <52289033.8080205@rempel-privat.de> <52289080.80604@rempel-privat.de> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="ZJcv+A0YCCLh2VIg" In-Reply-To: <52289080.80604@rempel-privat.de> Sender: linux-wireless-owner@vger.kernel.org List-ID: --ZJcv+A0YCCLh2VIg Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Sep 05, 2013 at 04:09:04PM +0200, Oleksij Rempel wrote: > Forgot attachment. >=20 >=20 > Am 05.09.2013 16:07, schrieb Oleksij Rempel: > > Hi, > > > > thank you. > > > > please do some tests for me. > > > > 1. run wireless adapter without other devices on this bus. > > > >> Bus 002 Device 003: ID 0cf3:9271 Atheros Communications, Inc. AR9271 > >> 802.11n > >> Bus 002 Device 011: ID 03f0:8607 Hewlett-Packard Optical Mobile Mouse > >> Bus 002 Device 005: ID 0403:6001 Future Technology Devices > >> International, Ltd > >> FT232 USB-Serial (UART) IC > >> Bus 002 Device 006: ID 413c:8187 Dell Computer Corp. DW375 Bluetooth > >> Module > > > > probably Bluetooth can't be removed, so disable it by software. > > > > 2. if this warning disappear, plug them back and rung kernel with > > attached patch. I wont to see if this warning related to channel scan. > > > > 3. try latest wireless-next kernel > > https://git.kernel.org/cgit/linux/kernel/git/linville/wireless-next.git/ > > > > there are some patches which will affect usb communication, this will be > > visible on your hardware, in good or bad way. Will see how it performs > > in your situation. > > > > I assume this warning is related to usb bandwidth. Since we use BULK > > transfer, we will get only rest of it. If other devices use ISO or > > Interrupt, They well have priority. Ok Oleksij, I'll try to do these tests soonish. You think the problem is triggered by a scan operation? If so, I'll try to reproduce it by scanning. Till now I had no clue about t= he cause. Cheers, --=20 Antonio Quartulli =2E.each of us alone is worth nothing.. Ernesto "Che" Guevara --ZJcv+A0YCCLh2VIg Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.20 (GNU/Linux) iQIcBAEBCAAGBQJSKJNiAAoJEADl0hg6qKeOLuIQAMZJEpkmn3+YDQH4AFn4eONB +f8lPRJuKTqi0cPvz91fVng6DwrmlEJAH0SZrc+gQtXaF0QoFMBZtWUHs8oshAW9 oVUde57ozLLaUE86i7ivVFiMEAttGId+3kBQolzuIF7vdJnuV6Xr0iPPAHWdDixN adfmuPQ+N4AW+SODjaXBTODA1UYNp8rgssmrCJEy/RorKTDdnBwMhWq2Rsye9iF0 tSpSBWe0Oh+AzN8tATLLZEcdYnXHEv73Z9y33uGd5BP7nD4/4msBevdTxABLt50Y RNb+ZETLU+6NBpaXQwre1/SSHQZsWovlpBwsFgQDYPPmdSPlsRETqLrGTA5jKu4h 215yvR8nBVbMulEaSfxV0rB3vnHslorVK0covTOR+Ab8IXrPTW6B53g+78xqdaiE JhTSAkN/unna4V1z6heHzBGtwmriEjoqJJQ3k/Uxcj+jzzETrbbmL/MDuAjIebJD BXphH/4Gtr6RhHIy6f1gM7hzdH71KTWdOldF6FmHnhiFQYphJeOk0EZrRhUYRV0V HdIHmQVs/0OXvOqERt+TjicO4ikJrOpwT4wY8P1AcIIXm/GYuJzYc+uuuhldGTCm 5B4R6otjBabKLy6WrvIzUM5DUMo/fZtkdCdNLkyHfE9SEllelbJ6cHfQoxq6pzab rgOF8wnKlMPXen4tGU59 =bHDR -----END PGP SIGNATURE----- --ZJcv+A0YCCLh2VIg--