From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bernie Innocenti Subject: Re: ath9k: DMA failed to stop in 10 ms AR_CR=0x00000024 AR_DIAG_SW=0x00000020 Date: Fri, 25 Dec 2009 08:38:39 -0800 Message-ID: <1261759119.7700.3.camel@giskard> References: <9c8bade79e471eb0576625586eef7d31.squirrel@vimassive.net> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org To: andy@vimassive.net Return-path: Received: from trinity.develer.com ([83.149.158.210]:55828 "EHLO trinity.develer.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753252AbZLYQit (ORCPT ); Fri, 25 Dec 2009 11:38:49 -0500 In-Reply-To: <9c8bade79e471eb0576625586eef7d31.squirrel@vimassive.net> Sender: netdev-owner@vger.kernel.org List-ID: On Fri, 2009-12-25 at 10:52 -0500, Andy Gussie wrote: > I am having this same issue with a ACER 5517-5086 labtop computer. It > seems like when I start downloading files (high network utilization) > the network connection drops and network manager keeps requesting > reconnection password. > has any one been able to figure out what is causing this issue? Is > there a fix? I installed an updated ath9k driver from compat-wireless-2.6.32-rc7, and the problem disappeared. Now I've been running for a few weeks without any issue. The fix, whatever it is, does not seem to have made it to the official 2.6.32 or the Fedora kernel. > Dmesg > ath9k: DMA failed to stop in 10 ms AR_CR=0x00000024 > AR_DIAG_SW=0x00000020 > > lspci -vnn > > 02:00.0 Network controller [0280]: Atheros Communications Inc. AR9285 > Wireless Network Adapter (PCI-Express) [168c:002b] (rev 01) > Subsystem: Foxconn International, Inc. Device [105b:e016] > Flags: bus master, fast devsel, latency 0, IRQ 16 > Memory at 91100000 (64-bit, non-prefetchable) [size=64K] > Capabilities: > Kernel driver in use: ath9k > Kernel modules: ath9k > > ubuntu 9.10 > > uname -a > Linux sheba 2.6.31-16-generic #53-Ubuntu SMP Tue Dec 8 04:01:29 UTC 2009 i686 GNU/Linux -- // Bernie Innocenti - http://codewiz.org/ \X/ Sugar Labs - http://sugarlabs.org/