Return-path: Received: from mail-vx0-f174.google.com ([209.85.220.174]:41706 "EHLO mail-vx0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750795Ab2CGFf3 convert rfc822-to-8bit (ORCPT ); Wed, 7 Mar 2012 00:35:29 -0500 Received: by vcqp1 with SMTP id p1so5133594vcq.19 for ; Tue, 06 Mar 2012 21:35:29 -0800 (PST) MIME-Version: 1.0 In-Reply-To: <4F569512.4000109@gmail.com> References: <4F569512.4000109@gmail.com> Date: Wed, 7 Mar 2012 11:05:29 +0530 Message-ID: (sfid-20120307_063533_203355_B37F86C6) Subject: Re: Slow wifi connection AR9287 with ath9k 3.x kernel From: Mohammed Shafi To: kuba Cc: linux-wireless@vger.kernel.org Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Wed, Mar 7, 2012 at 4:22 AM, kuba wrote: > Hello, hi, > > I have submitted bug on Kernel bug tracker and provide info, but it seems > that no one there is interested in this topic. I discovered that since > 2.6.38 kernel version there is bug in ath9k driver (using AR9287 chipset). > I've posted some additional info at this adress: > https://bugzilla.kernel.org/show_bug.cgi?id=42352 please provide as much info as possible, in which mode you are operating, how noisy is the environment, distance between STA and AP. anything specific etc. i just tried compat-wireless-2012-02-04, distance between STA and AP at least 5ms, a bit of noisy environment, channel 6 HT40 plus, AES ping RTT is good only. i may be missing something > > The last working version is 2.6.37.6. if we are very clear about the working one and non-working doing the following things will make our work very easier lets say 2.6.37.6 is working fine and 2.6.38 is broken for you we can work with our wireless-testing tree kernel git clone git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-testing.git then please do git tag *git log --pretty=oneline v2.6.37-rc6..v2.6.38 | grep AR9287 07422063d43612762d53fac8b6df213c96f4b1f6 ath9k_hw: Fix calibration for AR9287 devices f7ec8fb4d6f8f3ecb8b11e9e46ece95aa66139cc ath9k_hw: Fix eeprom offset for AR9287 devices (PCI/USB) *even with 3.3-rc5 we got less commits 6321eb0977b011ac61dfca36e7c69b2c4325b104 ath9k_hw: Fix number of GPIO pins for AR9287/9300 a7be039d347743c289b7280d5de82abf7bbdf1d8 ath9k: Fix eifs/usec timeout for AR9287 v1.3+ 49c99520f3b15300156830904f9ffcf51cb1160e ath9k_hw: Add dump_eeprom support for AR9287 087b6ff682ff62c49c9a36ddfd24fc781367b1d1 ath9k_hw: fix MAC clock rate for AR9287 v1.3+ 1df85ecec36ad5da3f0165760704310d6c03f65f ath9k: Fix AR9287 calibration 2d05a0c2b4ac614cb5e0eba75d39a37205d129e8 ath9k_hw: Remove unused code in AR9287 eeprom 81544026e4cecb85a8b727d5f64cb3c8a8cb64a3 ath9k_hw: Fix throughput drops in HT40 mode for AR9287 chips 6d64ab7f9240e3201fde3fd16ce4227bd795d2ab ath9k_htc: Fix LED pin for AR9287 HTC device 07422063d43612762d53fac8b6df213c96f4b1f6 ath9k_hw: Fix calibration for AR9287 devices f7ec8fb4d6f8f3ecb8b11e9e46ece95aa66139cc ath9k_hw: Fix eeprom offset for AR9287 devices (PCI/USB) *git log --pretty=oneline v2.6.37-rc6..v2.6.38 | grep ath9k_hw *git log --pretty=oneline v2.6.37-rc6..v2.6.38 | grep ath9k > I can provide more data if anyone is interested. > Cheers, > Kuba > -- > To unsubscribe from this list: send the line "unsubscribe linux-wireless" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at ?http://vger.kernel.org/majordomo-info.html -- thanks, shafi