Return-path: Received: from mail-ob0-f173.google.com ([209.85.214.173]:32778 "EHLO mail-ob0-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752202Ab3EGFQQ convert rfc822-to-8bit (ORCPT ); Tue, 7 May 2013 01:16:16 -0400 Received: by mail-ob0-f173.google.com with SMTP id 6so143373oba.32 for ; Mon, 06 May 2013 22:16:15 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <201305051742.58822.chunkeey@googlemail.com> References: <201305051742.58822.chunkeey@googlemail.com> Date: Tue, 7 May 2013 07:16:15 +0200 Message-ID: (sfid-20130507_071620_079960_9E38076C) Subject: Re: Carl9170 is working very slow (linux 3.6.9 and WN111(v2)) From: =?UTF-8?Q?Rub=C3=A9n_Porras?= To: linux-wireless@vger.kernel.org Content-Type: text/plain; charset=UTF-8 Sender: linux-wireless-owner@vger.kernel.org List-ID: Hi Christian, thank you for the patch, I tried it and it works fine. No, I am not running OpenWRT, it is just a normal Desktop with an USB wireless connection. Kind Regards. 2013/5/5 Christian Lamparter : > Hello Rubén, > > On Sunday, May 05, 2013 03:20:30 PM Rubén Porras wrote: >> the module carl9170 is working very slow in linux version 3.6.9 with the >> dongle WN111(v2), although I am able to transmit/receive information for a >> while using it, eventually the transmission hangs and it is not possible to >> send any data, and I must reset the connection (ifdown wlan0 and ifup >> wlan0). Several warnings follows which are available in the kernel >> messages, which probably help to track the problem. If it helps to track >> the problem I can test any patches you send me. >> >> PD: From the post https://forum.openwrt.org/viewtopic.php?id=43243 I >> suppose that I am not the only one having the problem. >> >> [ 25.543551] ------------[ cut here ]------------ >> [ 25.543570] WARNING: at drivers/net/wireless/ath/carl9170/tx.c:992 >> carl9170_op_tx+0x1f0/0x72f [carl9170]() > > Ah, this sounds familiar. The good news is that the interoperability > problem between minstrel_ht and carl9170 was discovered and > fixed back in February already [the mainline is not affected]. > > If you know how to apply patches and compile drivers, then you can > easily fix it yourself by applying the following patch: > "carl9170: fix frame drop and WARN due to minstrel_ht change" > > > and compile the new carl9170 module. > > Regards, > Christian > > BTW: I assume you are also running some version of openwrt. Is this > correct? Can you tell me which one? Since if this affects a stable > release, we should notify the OpenWRT folks, so they can take action.