Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756538Ab1BJPSN (ORCPT ); Thu, 10 Feb 2011 10:18:13 -0500 Received: from mga11.intel.com ([192.55.52.93]:21361 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752371Ab1BJPSL (ORCPT ); Thu, 10 Feb 2011 10:18:11 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.60,451,1291622400"; d="scan'208";a="656406909" Subject: Re: [regression][2.6.38-rcX][net][iwlagn] WiFi signal after period of time tanks causing contant drops From: wwguy To: Andrew Morton Cc: Shawn Starr , "linux-kernel@vger.kernel.org" , "linux-wireless@vger.kernel.org" In-Reply-To: <20110209231526.cce3e7b7.akpm@linux-foundation.org> References: <613373.34172.qm@smtp106.rog.mail.re2.yahoo.com> <20110209231526.cce3e7b7.akpm@linux-foundation.org> Content-Type: text/plain; charset="UTF-8" Date: Thu, 10 Feb 2011 07:16:24 -0800 Message-ID: <1297350984.20613.68.camel@wwguy-ubuntu> Mime-Version: 1.0 X-Mailer: Evolution 2.28.3 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1735 Lines: 46 On Wed, 2011-02-09 at 23:15 -0800, Andrew Morton wrote: > (cc linux-wireless) > > On Sun, 06 Feb 2011 22:54 -0500 Shawn Starr wrote: > > > > > Using a Intel Corporation PRO/Wireless 5100 AGN [Shiloh] card after rebooting > > and a period of of seveal hours signal begins to drop to low levels: > > > > > > wlan0 IEEE 802.11abgn ESSID:"XXXXXXXX" > > Mode:Managed Frequency:2.462 GHz Access Point: AA:BB:CC:DD:EE:FF > > Bit Rate=11 Mb/s Tx-Power=15 dBm > > Retry long limit:7 RTS thr:off Fragment thr:off > > Power Management:off > > Link Quality=12/70 Signal level=-98 dBm > > Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 > > Tx excessive retries:0 Invalid misc:35 Missed beacon:0 > > > > ... > > > > Link Quality=12/70 Signal level=-98 dBm > > Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 > > Tx excessive retries:0 Invalid misc:40 Missed beacon:0 > > > > I start seeing lots of Invalid misc errors and connection drops. If I reboot, > > then signal will be back to normal for a period of time again. > > > > My official kernel is from Fedora rawhide (2.6.38-0.rc3.git4.1.fc15.x86_64) > > > > Anyone else notice poor link/signal levels? > > > > .37 showed no such issues. did not see anything special from the log, is any environment or condition changed? what AP you are using? Thanks Wey -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/