From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from cpsmtpm-eml104.kpnxchange.com ([195.121.3.8]:56007 "EHLO CPSMTPM-EML104.kpnxchange.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752873Ab0CXTJr (ORCPT ); Wed, 24 Mar 2010 15:09:47 -0400 Message-ID: <4BAA6379.2000203@gmail.com> Date: Wed, 24 Mar 2010 20:09:45 +0100 From: Gertjan van Wingerde MIME-Version: 1.0 To: Ben Hutchings , Dawid CC: 567212@bugs.debian.org, linux-wireless@vger.kernel.org Subject: Re: Bug#567212: rt73usb with 2.6.32-trunk kernel References: <4B60D3DD.60802@tlen.pl> <1264721331.373.555.camel@localhost> <4B62D7C9.9050904@tlen.pl> <1267375207.2282.23.camel@localhost> In-Reply-To: <1267375207.2282.23.camel@localhost> Content-Type: text/plain; charset=UTF-8 Sender: linux-wireless-owner@vger.kernel.org List-ID: On 02/28/10 17:40, Ben Hutchings wrote: > Dawid wrote: >> I use Edimax EW-7318USg usb wifi adapter with rt73 chipset - i use >> default rt73usb driver that is built in kernel and standard firmware >> from non-free repository package: firmware-ralink (0.22) - on new >> 2.6.32 trunk kernel, connection is very unstable - i can connect to my >> access point but i get disconnected periodicly in about 6 to 10 seconds >> and get connected again afer about 4 seconds. This process repeats >> itself continously. I use WPAPSK autentication TKIP encryption in >> managed mode - with wpa_supplicant - encryption works but i guess >> becouse of such frequent disconnetions dhclient can't get IP and i can't >> connect to internet. >> >> On previous 2.6.30 kernel and same configuration, everything works fine >> and connection is stable. >> >> scanning with iwlist works on both kernels but on 2.6.32-trunk takes 2 >> times longer. > > Dawid wrote: >> I attached kern.log to this e-mail. Last logs in this file were made on >> 2.6.32-trunk kernel to make wlan0 entries from this kernel, clearly seen >> at the end of the file. >> >> >>> >>> Were you using the rt73usb driver (from Debian kernel packages) or the >>> rt73 driver (from rt73-source or from Ralink)? >>> >>> >> I'm using standard rt73usb driver from Debian kernel packages on both >> kernels 2.6.30 and 2.6.32 - and as i wrote before, described problem >> exist only in 2.6.32 . Now i'm forced to use 2.6.30 becouse on this >> kernel internet connection is possible. > > I'm forwarding this to the linux-wireless list in the hope that someone > there will be able to investigate this. > We recently discovered that rt73usb may be affected with powersaving issues. Is it possible to check the stability of the connection with powersaving disabled? Just execute a iwconfig wlan0 power off before associating. --- Gertjan.