Return-path: Received: from atrey.karlin.mff.cuni.cz ([195.113.31.123]:47951 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754478AbXJaAw3 (ORCPT ); Tue, 30 Oct 2007 20:52:29 -0400 Date: Wed, 31 Oct 2007 01:52:40 +0100 From: Pavel Machek To: linux-wireless@vger.kernel.org, kernel list , ipw3945-devel@lists.sourceforge.net, yi.zhu@intel.com Subject: iwl3945 in 2.6.24-rc1 dies under load Message-ID: <20071031005202.GA1534@elf.ucw.cz> (sfid-20071031_005235_835366_C307F9CD) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-wireless-owner@vger.kernel.org List-ID: Hi! ...does not seem to work too well :-(. It connects with the AP (good!), and survives some "normal" use, but it died at first big tcpspray (baaaad!). Oct 31 01:03:57 amd log1n[1411]: ROOT LOGIN on `tty6' Oct 31 01:05:06 amd kernel: iwl3945: Intel(R) PRO/Wireless 3945ABG/BG Network Connection driver for Linux, 1.1.17kds Oct 31 01:05:06 amd kernel: iwl3945: Copyright(c) 2003-2007 Intel Corporation Oct 31 01:05:06 amd kernel: PCI: Setting latency timer of device 0000:03:00.0 to 64 Oct 31 01:05:06 amd kernel: iwl3945: Detected Intel PRO/Wireless 3945ABG Network Connection Oct 31 01:05:07 amd kernel: iwl3945: Tunable channels: 11 802.11bg, 13 802.11a channels Oct 31 01:05:07 amd kernel: phy4: Selected rate control algorithm 'simple' Oct 31 01:06:05 amd kernel: wlan0: Initial auth_alg=0 Oct 31 01:06:05 amd kernel: wlan0: authenticate with AP 00:11:2f:0e:95:a0 Oct 31 01:06:05 amd kernel: wlan0: RX authentication from 00:11:2f:0e:95:a0 (alg=0 transaction=2 status=0) Oct 31 01:06:05 amd kernel: wlan0: authenticated Oct 31 01:06:05 amd kernel: wlan0: associate with AP 00:11:2f:0e:95:a0 Oct 31 01:06:05 amd kernel: wlan0: RX AssocResp from 00:11:2f:0e:95:a0 (capab=0x401 status=0 aid=1) Oct 31 01:06:05 amd kernel: wlan0: associated Oct 31 01:06:05 amd kernel: wlan0: switched to short barker preamble (BSSID=00:11:2f:0e:95:a0) Oct 31 01:06:05 amd kernel: iwl3945: iwl-3945-rs not selected as rate control algo! Oct 31 01:23:52 amd kernel: wlan0: RX deauthentication from 00:11:2f:0e:95:a0 (reason=4) Oct 31 01:23:52 amd kernel: wlan0: deauthenticated Oct 31 01:23:53 amd kernel: wlan0: authenticate with AP 00:11:2f:0e:95:a0 Oct 31 01:23:53 amd kernel: wlan0: RX authentication from 00:11:2f:0e:95:a0 (alg=0 transaction=2 status=0) Oct 31 01:23:53 amd kernel: wlan0: authenticated Oct 31 01:23:53 amd kernel: wlan0: associate with AP 00:11:2f:0e:95:a0 Oct 31 01:23:53 amd kernel: wlan0: RX ReassocResp from 00:11:2f:0e:95:a0 (capab=0x401 status=0 aid=1) Oct 31 01:23:53 amd kernel: wlan0: associated Oct 31 01:23:53 amd kernel: wlan0: switched to short barker preamble (BSSID=00:11:2f:0e:95:a0) Oct 31 01:23:53 amd kernel: iwl3945: iwl-3945-rs not selected as rate control algo! Oct 31 01:23:53 amd kernel: wlan0: CTS protection enabled (BSSID=00:11:2f:0e:95:a0) Oct 31 01:23:53 amd kernel: wlan0: switched to long barker preamble (BSSID=00:11:2f:0e:95:a0) Oct 31 01:35:44 amd -- MARK -- Oct 31 01:38:16 amd kernel: iwl3945: Microcode SW error detected. Restarting 0x82000008. Oct 31 01:38:16 amd kernel: iwl3945: Error Reply type 0x00000005 cmd REPLY_TX (0x1C) seq 0x0267 ser 0x0000004B Oct 31 01:38:18 amd kernel: iwl3945: Can't stop Rx DMA. ...unfortunately, microcode sources are not available so Intel should fix this, right? (Actually, it recovered after 3 minutes): Oct 31 01:41:15 amd kernel: wlan0: RX deauthentication from 00:11:2f:0e:95:a0 (reason=4) Oct 31 01:41:15 amd kernel: wlan0: deauthenticated Oct 31 01:41:16 amd kernel: wlan0: authenticate with AP 00:11:2f:0e:95:a0 Oct 31 01:41:16 amd kernel: wlan0: RX authentication from 00:11:2f:0e:95:a0 (alg=0 transaction=2 status=0) Oct 31 01:41:16 amd kernel: wlan0: authenticated Oct 31 01:41:16 amd kernel: wlan0: associate with AP 00:11:2f:0e:95:a0 Oct 31 01:41:16 amd kernel: wlan0: RX ReassocResp from 00:11:2f:0e:95:a0 (capab=0x401 status=0 aid=1) Oct 31 01:41:16 amd kernel: wlan0: associated Oct 31 01:41:16 amd kernel: wlan0: CTS protection enabled (BSSID=00:11:2f:0e:95:a0) Oct 31 01:41:16 amd kernel: iwl3945: iwl-3945-rs not selected as rate control algo! Oct 31 01:41:16 amd kernel: wlan0: switched to short barker preamble (BSSID=00:11:2f:0e:95:a0) Hmm, and it is pretty reproducible, with: tcpspray -n 1 -b 10000000 10.0.0.2 Oct 31 01:42:56 amd kernel: iwl3945: Microcode SW error detected. Restarting 0x82000008. Oct 31 01:42:56 amd kernel: iwl3945: Error Reply type 0x00000005 cmd REPLY_TX (0x1C) seq 0x02C7 ser 0x0000004B Oct 31 01:42:58 amd kernel: iwl3945: Can't stop Rx DMA. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html