Return-path: Received: from mout.gmx.net ([212.227.15.18]:56478 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753490AbbGPLyJ (ORCPT ); Thu, 16 Jul 2015 07:54:09 -0400 Message-ID: <55A79B5C.7010501@rempel-privat.de> (sfid-20150716_135414_510009_8C31F82D) Date: Thu, 16 Jul 2015 13:54:04 +0200 From: Oleksij Rempel MIME-Version: 1.0 To: rolf.anderegg@weiss.ch, "linux-wireless@vger.kernel.org" Subject: Re: ath9k_htc: virtual interfaces, AP connection drop & kernel warning References: <559D41B3.4050604@weiss.ch> <559F9AF8.5000208@rempel-privat.de> <55A3A672.1060502@weiss.ch> In-Reply-To: <55A3A672.1060502@weiss.ch> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="jemb7E2e6nwxhQHAK08a3PpkUo9NiSrxQ" Sender: linux-wireless-owner@vger.kernel.org List-ID: This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --jemb7E2e6nwxhQHAK08a3PpkUo9NiSrxQ Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Am 13.07.2015 um 13:52 schrieb Rolf Anderegg: >=20 >> First of all, you are using ancient kernel and firmware. Please update= >> it. Firmware should be at leas 1.4 and kernel probably 4.1 or later. i= 'm >> not sure which include patch with support of RMW command introduced by= >> new FW. >> >> Then you can try to disable LED blinking which is stealing your usb >> bandwidth. >=20 > Thanks for your suggestions. > You say ancient, I was thinking longterm stable. For various reasons I > require a RT patched kernel, alas this is not yet available for 4.1 > kernels. Aside from that I have updated the kernel and firmware as you > propose. Also I have set ath9k_htc's blink=3D0. The kernel warnings are= no > longer occuring, however the AP's connection (which requires several > attempts) is still dropped after a few seconds. > I suspect that there are bandwidth/speed issues when dealing with USB > adapters, but that does not inherently mean that the connection is pron= e > to drop, right? Doesn't that mean that I am leaking packages somewhere > along the way? What else could I be looking for? The packages can drop if you will do channel scan. STA mode need some seconds to complete channel scan. It means AP will be all the time unavailable. > Regards, > Rolf Anderegg >=20 --=20 Regards, Oleksij --jemb7E2e6nwxhQHAK08a3PpkUo9NiSrxQ Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iF4EAREIAAYFAlWnm1wACgkQHwImuRkmbWlWBgD+Knd5Rce+SoISXkXxXjwA7ZMb AvWrnLl3a+nWxrrl+vUA/iw0IWxzHHzOI3GkF+C8slp9wQR0uyxigXR9j+KjDZaC =vtdN -----END PGP SIGNATURE----- --jemb7E2e6nwxhQHAK08a3PpkUo9NiSrxQ--