Return-path: Received: from mail.sysgo.com ([195.145.229.155]:39876 "EHLO mail.sysgo.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752285Ab0KAKKX (ORCPT ); Mon, 1 Nov 2010 06:10:23 -0400 Date: Mon, 1 Nov 2010 11:10:12 +0100 From: Pavel Machek To: kernel list , chunkeey@googlemail.com, linux-wireless@vger.kernel.org Subject: Re: carl9170 disconnects under load Message-ID: <20101101101012.GB3391@pma.sysgo.com> References: <20101026104811.GA11357@pma.sysgo.com> <20101101093140.GA2766@pma.sysgo.com> <20101101094649.GA3391@pma.sysgo.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20101101094649.GA3391@pma.sysgo.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: On Mon 2010-11-01 10:46:49, Pavel Machek wrote: > Hi! > > > > I'm testing driver from -wireless testing, cca 2.6.26-rc7. > > > > > > It seems to work (up to 802.11n speeds -- I've seen iwconfig claiming > > > 121 MB/sec), but disconnects rather quickly when under load: > > > > > > telnet 192.168.1.3 chargen > /dev/null > > > > > > The machine is powerpc mpc5200b board, with OHCI driver -- it is not > > > capable of USB2.0 speeds. > > > > So I tried with different AP, one not capable of 802.11n speeds. It > > fails in different way :-(. But this one is with my backport to > > 2.6.34... > > But it fails with wireless-testing tree, too :-(. > > Linux mpc5200b 2.6.36-rc8-wl-pma-48197-gdcae733-dirty #43 Tue Oct 26 > 12:06:21 CEST 2010 ppc It works "better" if I force AP to 1Mbps.... (Note that I have USB1.1 host only). Pavel Registered led device: carl9170-phy1::assoc usb 1-1: Atheros AR9170 is registered as 'phy1' ieee80211 phy1: device now idle ieee80211 phy1: device no longer idle - scanning wlan0: authenticate with 00:11:95:05:30:d7 (try 1) wlan0: authenticated ieee80211 phy1: device now idle ieee80211 phy1: device no longer idle - working wlan0: associate with 00:11:95:05:30:d7 (try 1) wlan0: RX AssocResp from 00:11:95:05:30:d7 (capab=0x421 status=0 aid=1) wlan0: associated ieee80211 phy1: Allocated STA 00:11:95:05:30:d7 ieee80211 phy1: Inserted STA 00:11:95:05:30:d7 ieee80211 phy1: FW: MAC RESET ieee80211 phy1: FW: MAC RESET ieee80211 phy1: FW: MAC RESET ieee80211 phy1: FW: MAC RESET ieee80211 phy1: FW: MAC RESET ieee80211 phy1: FW: MAC RESET ieee80211 phy1: FW: MAC RESET ieee80211 phy1: FW: MAC RESET ieee80211 phy1: FW: MAC RESET ieee80211 phy1: FW: MAC RESET ieee80211 phy1: FW: MAC RESET ieee80211 phy1: FW: MAC RESET ieee80211 phy1: FW: MAC RESET ieee80211 phy1: FW: MAC RESET -/bin/sh-3.00#