Return-path: Received: from mail-qy0-f174.google.com ([209.85.221.174]:38403 "EHLO mail-qy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754268AbZJ1OrV convert rfc822-to-8bit (ORCPT ); Wed, 28 Oct 2009 10:47:21 -0400 Received: by qyk4 with SMTP id 4so509466qyk.33 for ; Wed, 28 Oct 2009 07:47:25 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <1256676190.4237.27.camel@johannes.local> References: <86201b3f0910271340t51aa6c0bgff43e6e7211a0dee@mail.gmail.com> <1256676190.4237.27.camel@johannes.local> Date: Wed, 28 Oct 2009 10:47:25 -0400 Message-ID: <86201b3f0910280747q557a6153oec929e8235459c8f@mail.gmail.com> Subject: Re: iwlist wlan0 scan disrupts communications From: Charles Gordon To: linux-wireless@vger.kernel.org Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Tue, Oct 27, 2009 at 4:43 PM, Johannes Berg wrote: > On Tue, 2009-10-27 at 16:40 -0400, Charles Gordon wrote: >> Hi, >> >> I am using version 2.6.28 of the kernel and version 0.9.11-nogit of >> iw. ?Communications are disrupted and the device stops responding to >> ping when I use the command "iwlist wlan0 scan". ?Communications are >> restored when the command completes. ?Is this behavior expected? ?Has >> it been fixed in a later release? > > Yes and yes, but I don't remember whether it's better in 2.6.31 or only > will be in 32. > > johannes > Thanks for the information. After doing some more testing I found that the association to the AP is sometimes lost and that mac80211 does not recover automatically. You have to type the command "wpa_cli reassociate" to trigger the stack to reassociate with the AP. Is this one of the things that is, or will be, fixed in later releases?