Return-path: Received: from atrey.karlin.mff.cuni.cz ([195.113.31.123]:37354 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754164AbXJaLFS (ORCPT ); Wed, 31 Oct 2007 07:05:18 -0400 Date: Wed, 31 Oct 2007 12:05:11 +0100 From: Pavel Machek To: Zhu Yi Cc: linux-wireless@vger.kernel.org, kernel list , ipw3945-devel@lists.sourceforge.net Subject: Re: iwl3945 in 2.6.24-rc1 dies under load Message-ID: <20071031110511.GA2194@elf.ucw.cz> (sfid-20071031_110523_965063_F50CF136) References: <20071031005202.GA1534@elf.ucw.cz> <1193792098.9704.16.camel@debian.sh.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <1193792098.9704.16.camel@debian.sh.intel.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: On Wed 2007-10-31 08:54:58, Zhu Yi wrote: > > On Wed, 2007-10-31 at 01:52 +0100, Pavel Machek wrote: > > 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. > > Please attach the dmesg with module param debug=0x43fff (make sure > CONFIG_IWLWIFI_DEBUG is selected). This will dump the firmware event log > for debug. I addded debug=0x43fff to command line, and it produces _incredible_ ammount of syslog noise... and the error goes away, probably due to changed timing :-(. I can now reliably transfer huge files: root@amd:/data/l/linux/drivers/net/wireless/iwlwifi# tcpspray -n 1 -b 10000000 hobit Transmitted 10000000 bytes in 12.388257 seconds (788.297 kbytes/s) root@amd:/data/l/linux/drivers/net/wireless/iwlwifi# tcpspray -n 1 -b 100000000 hobit Transmitted 100000000 bytes in 123.807061 seconds (788.778 kbytes/s) root@amd:/data/l/linux/drivers/net/wireless/iwlwifi# tcpspray -n 1 -b 1000000000 hobit Transmitted 1000000000 bytes in 1265.784625 seconds (771.508 kbytes/s) root@amd:/data/l/linux/drivers/net/wireless/iwlwifi# rmmod/insmod w/o debug=, and ...huh... problem is _still_ away?! Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html