Return-path: Received: from mail.sysgo.com ([195.145.229.155]:50452 "EHLO mail.sysgo.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751602Ab0KAJq6 (ORCPT ); Mon, 1 Nov 2010 05:46:58 -0400 Date: Mon, 1 Nov 2010 10:46:49 +0100 From: Pavel Machek To: kernel list , chunkeey@googlemail.com, linux-wireless@vger.kernel.org Subject: Re: carl9170 disconnects under load Message-ID: <20101101094649.GA3391@pma.sysgo.com> References: <20101026104811.GA11357@pma.sysgo.com> <20101101093140.GA2766@pma.sysgo.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20101101093140.GA2766@pma.sysgo.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: 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 Pavel PHY: f0003000:00 - Link is Up - 100/Full warning: `named' uses 32-bit capabilities (legacy support in use) process `named' is using obsolete setsockopt SO_BSDCOMPAT ieee80211 phy0: device now idle ieee80211 phy0: device no longer idle - scanning wlan0: authenticate with 00:11:95:05:30:d7 (try 1) wlan0: authenticated ieee80211 phy0: device now idle ieee80211 phy0: 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 phy0: Allocated STA 00:11:95:05:30:d7 ieee80211 phy0: Inserted STA 00:11:95:05:30:d7 usb 1-1: restart device (4) usb 1-1: firmware upload failed (-110). usb 1-1: Failed to restart device (-110). ieee80211 phy0: writing reg 0x1c36f0 (val 0x5000) failed (-5) wlan0: deauthenticating from 00:11:95:05:30:d7 by local choice (reason=3) ieee80211 phy0: Removed STA 00:11:95:05:30:d7 ieee80211 phy0: Destroyed STA 00:11:95:05:30:d7 ieee80211 phy0: device now idle cfg80211: Calling CRDA to update world regulatory domain usb 1-1: reset full speed USB device using of:ppc-of-ohci and address 2 -/bin/sh-3.00# usb 1-1: device descriptor read/64, error -110