Return-path: Received: from lucidpixels.com ([75.144.35.66]:49685 "EHLO lucidpixels.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932114Ab1DMQBe (ORCPT ); Wed, 13 Apr 2011 12:01:34 -0400 Date: Wed, 13 Apr 2011 12:01:33 -0400 (EDT) From: Justin Piszcz To: Ivo Van Doorn cc: linux-usb@vger.kernel.org, linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: 2.6.38: rt2800usb: high latency (1000ms)? In-Reply-To: Message-ID: References: MIME-Version: 1.0 Content-Type: MULTIPART/MIXED; BOUNDARY="655872-245785011-1302710493=:2954" Sender: linux-wireless-owner@vger.kernel.org List-ID: This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. --655872-245785011-1302710493=:2954 Content-Type: TEXT/PLAIN; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE On Wed, 13 Apr 2011, Ivo Van Doorn wrote: > Hi, > >> I recall using this driver in staging and it crashing my machine, now th= ats >> its no longer in staging, I thought I'd give it another try.. =A0Using t= he > > The rt2800usb was not in staging but has been inside the main kernel > tree for quite > some time already, the alternative rt2870sta was in staging and will > be removed very soon. > >> following wireless usb adapter, I'm seeing very high latency when using >> the device in Linux, (with Windows, there are no problems). =A0Using Deb= ian >> Testing + wpa_supplicant, using the following USB adapter: > > Can you try disabling powersaving? > iwconfig wlan0 power off > > Ivo > Hi, Wow! That was it, now its interactive again. 64 bytes from wireless-host (192.168.1.2): icmp_req=3D1 ttl=3D64 time=3D0.5= 81 ms 64 bytes from wireless-host (192.168.1.2): icmp_req=3D2 ttl=3D64 time=3D0.6= 47 ms 64 bytes from wireless-host (192.168.1.2): icmp_req=3D3 ttl=3D64 time=3D0.5= 69 ms 64 bytes from wireless-host (192.168.1.2): icmp_req=3D4 ttl=3D64 time=3D0.6= 86 ms 64 bytes from wireless-host (192.168.1.2): icmp_req=3D5 ttl=3D64 time=3D0.6= 74 ms 64 bytes from wireless-host (192.168.1.2): icmp_req=3D6 ttl=3D64 time=3D1.1= 8 ms 64 bytes from wireless-host (192.168.1.2): icmp_req=3D7 ttl=3D64 time=3D1.7= 7 ms 64 bytes from wireless-host (192.168.1.2): icmp_req=3D8 ttl=3D64 time=3D0.6= 54 ms Thanks, so its recommend to keep this off then, can that be set as the=20 driver default? Justin. --655872-245785011-1302710493=:2954--