Return-path: Received: from mail-fx0-f168.google.com ([209.85.220.168]:33333 "EHLO mail-fx0-f168.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753626AbZEZMnQ (ORCPT ); Tue, 26 May 2009 08:43:16 -0400 Subject: Re: [2.6.27-rc7 vs 2.6.29 Regresion] Wifi Network Slownes rt2500pci From: Alejandro Riveira =?ISO-8859-1?Q?Fern=E1ndez?= Reply-To: alejandro.riveira@gmail.com To: Ivo van Doorn Cc: linux-wireless , linux-kernel , linville@tuxdriver.com, Greg KH , "Rafael J. Wysocki" In-Reply-To: <200905261235.36658.IvDoorn@gmail.com> References: <1243247687.5322.8.camel@varda> <200905261058.01039.IvDoorn@gmail.com> <1243333072.4888.2.camel@varda> <200905261235.36658.IvDoorn@gmail.com> Content-Type: multipart/signed; micalg="pgp-sha1"; protocol="application/pgp-signature"; boundary="=-/EJ12HYXwbdaS93zvj3V" Date: Tue, 26 May 2009 14:43:11 +0200 Message-Id: <1243341791.7607.4.camel@varda> Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: --=-/EJ12HYXwbdaS93zvj3V Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable El mar, 26-05-2009 a las 12:35 +0200, Ivo van Doorn escribi=C3=B3: > > What causes the regression then? >=20 > No idea. Apparently the invalid bitmask is accepted by the device under > certain conditions. Which would be very odd.... But since dozens > of people reported this problem for 2.6.27 as well, it probably depends > heavily on the actual chipset revision or configuration. >=20 > > Anyway For the script to work what config options do I need? debugfs? > > Anything else ? >=20 > CONFIG_DEBUGFS > CONFIG_MAC80211_DEBUGFS > CONFIG_RT2X00_LIB_DEBUGFS >=20 > And thats it, make sure debugfs is mounted and just run the script. > The script will detect mount location and rt2x00 interface. That's what I get[1] with the good kernel but I think the script failed because I got a very short output $ sudo bash rt2x00_regdump.sh | xclip kernel: 2.6.29.4-00258-ga2c0a36 driver: rt2500pci version: 2.2.3 compiled: May 26 2009 13:05:03 dev_flags: 0x00000a2f rt chip: 0201 rf chip: 0003 revision:00000004 csr length: 93 eeprom length: 256 bbp length: 64 rf length: 5 And nothing more... >=20 > Ivo Alejandro [1] Had to install gawk mawk does not have --posix.=20 --=-/EJ12HYXwbdaS93zvj3V Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Esto es una parte de mensaje firmado digitalmente -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) iQIcBAABAgAGBQJKG+PaAAoJEDO4iEReSTB2rF4P/2kYIa6k+zRB7VHNFA894EF7 ml0NC8kQZS6ze2Umjy/FCH9S7d68izmTHMzU5K7A65tPXBhp33uZ0Su7yi+lHOho ftU5DTX+1+TiibbTwCcIICgyb0NzRfD4DG/ZIZbK0dd1wf3/xqGYL/VVoY98lGui eJl1+q09UWCNAnIYwoLY9D3kudKD0ttW5JVVEippbgQN40iocDPosssMRpu9ODMt +Q/vN9K3TXmnP82uu4S83A0jSJnlby+QrAnG2YNPxWrC8Pz9ieKJbD1Ah/00BG3l FrVbbHtErUfnpWYxIdnB4T0AtkJIpuKZfIgX9I3yYjfO2qqnnwdJTpBKzGsESlFw uD2LMVy0pKqrz/Lx437QKO/Y1tsS4sys+9e3Khay0FEafYz31Zj6LMgulCM7xonU 77TC9TuLaMp37yedBsN6A6mNSe239MGo/k8dgHvNpZxdc7/DiYXGSuEHybnZHYa1 xJcaA0UMBhGlth6GfemKQ1a2Vf+3xLWjr0Lu3CpyedRzgLItEAwEp7M3Jgel7RN7 Jr86wvxQXFJYls1WNHEWWRv/5MfRzBRn6XvPZUsn1Fet4DVduHdvN5G6BwdaCnLE xvuyyJHeoTGAp1oIofQcKkabAZD3dcDqBWT7+0Pp+3NCpzd/ersfPC9vm/RPliET DwtRYas9msE+SKlUjMp8 =2saU -----END PGP SIGNATURE----- --=-/EJ12HYXwbdaS93zvj3V--