Return-path: Received: from mx.logic.tuwien.ac.at ([128.130.175.19]:54748 "EHLO mx.logic.tuwien.ac.at" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754621Ab2GYDHj (ORCPT ); Tue, 24 Jul 2012 23:07:39 -0400 Date: Wed, 25 Jul 2012 12:07:31 +0900 From: Norbert Preining To: Johannes Berg Cc: "Venkataraman, Meenakshi" , "Lin, Hsien KuoX" , "ilw@linux.intel.com" , "linux-wireless@vger.kernel.org" , "linux-kernel@vger.kernel.org" , Emmanuel Grumbach Subject: Re: [Ilw] Re: 3.4-rc2, ilwagn still most of the time completely unusable Message-ID: <20120725030731.GB8504@gamma.logic.tuwien.ac.at> (sfid-20120725_050755_848740_064162CE) References: <20120413014047.GB25681@gamma.logic.tuwien.ac.at> <20120330011734.GH6277@gamma.logic.tuwien.ac.at> <20120411023747.GA10126@gamma.logic.tuwien.ac.at> <4595B4D22AB93C4FABBA84AAD5AA37FD11DE3C@ORSMSX103.amr.corp.intel.com> <20120412000202.GA15286@gamma.logic.tuwien.ac.at> <20120628072512.GF31944@gamma.logic.tuwien.ac.at> <1340869868.4491.4.camel@jlt3.sipsolutions.net> <20120628081607.GG31944@gamma.logic.tuwien.ac.at> <20120712081457.GA32465@gamma.logic.tuwien.ac.at> <1342109807.4531.38.camel@jlt3.sipsolutions.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <1342109807.4531.38.camel@jlt3.sipsolutions.net> Sender: linux-wireless-owner@vger.kernel.org List-ID: Hi Johannes, Sorry for the late reply, I was travelling around the world ... I have now tested the =2 and =4 settings at home, with the following outcome: On Do, 12 Jul 2012, Johannes Berg wrote: > With the latest, I've extended 11n_disable to have more bits. > > 11n_disable=1 will disable HT completely > 11n_disable=2 will disable TX aggregation > 11n_disable=4 will disable RX aggregation 11n_disabled=2: lots of messages Open BA session requested for 00:0a:79:eb:56:10 tid 0 BA request denied - HW unavailable for tid 0 and Rx BA session stop requested for 00:0a:79:eb:56:10 tid 0 inititator reason: 0 Rx A-MPDU request on tid 0 result 0 Connection is stable for quite some time, but after 1-2 hours I got a bad hang, grinding to a halt. pings to kernel.org gives 26% packet loss, but the rest of the packets are fast 130ms (Isn't that a strange thing - 25+% packet loss and all others are fast?) I assume the packaet loss is related to the above messages. 11n_disabled=4: lots of messages Rx A-MPDU request on tid 0 result -22 and at some point ping timeouts of 80+ secs (!) and then total hang (as far as I remember) Best wishes Norbert ------------------------------------------------------------------------ Norbert Preining preining@{jaist.ac.jp, logic.at, debian.org} JAIST, Japan TeX Live & Debian Developer DSA: 0x09C5B094 fp: 14DF 2E6C 0307 BE6D AD76 A9C0 D2BF 4AA3 09C5 B094 ------------------------------------------------------------------------ PERRANZABULOE (n.) One of those spray things used to wet ironing with. --- Douglas Adams, The Meaning of Liff