Received: by 2002:a25:8b91:0:0:0:0:0 with SMTP id j17csp4508153ybl; Mon, 9 Dec 2019 12:00:07 -0800 (PST) X-Google-Smtp-Source: APXvYqwJf+hHuRslKg0QZKlYQ7BotUGPJ4UfmrXO+Al9dkFo2R4o8t9hZnINS8+weAJukPZ9eg8H X-Received: by 2002:a9d:4d01:: with SMTP id n1mr515171otf.245.1575921607413; Mon, 09 Dec 2019 12:00:07 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1575921607; cv=none; d=google.com; s=arc-20160816; b=ybXWVmtprdhDXj/+snexOSKr1ynoWxXTuwDreObnRDVOldRoyUbD9eSqwZIYDbcz4C 9/0Pm73bxSlYM4cyLzjmIivoNcpTDgjMbU4PtHUVvGbmyOX/VsUCrPb9pjujGBUklQ5r 1Z/n/CLechst9VAGbp71AXh0Z9wBJlWPTBlYQ1ifsvR6liECXyk/2Ud3Qt2lI9GUIEYC cgBpgXm4lPpSnZc1eL99QXPHsiuKyhx+jXhxHrhS4Lkp+dn3xvlQ0+hBEBUCKIlRn5aX i1b0HGxL3Non9UI3LXQyOxEp4KpHAn1lrPGdLo45rziFdw8UD2rmr/sHWh63BYma+0Rp 0VQA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :user-agent:references:in-reply-to:date:cc:to:from:subject :message-id; bh=NfLm7lk0L3ZJ5wW10euL/EhtaowfDZzHC5uXhoQKZBk=; b=AoohqKISP1REWQMnBgXDnsmu4VeJ5+KXr1Cx0GgseTr2qwznGf0UE0pvyd9+T61URE kE718c1qefyBkgwyYyNRtRuglMHGpkdQtf5hlg0vHvQxGLb5LS4py3ZzUhAqZzp3t09s kOg4kI/bHQOw5FMbsewrc2HKfKfk0qV/fR/idjgTEN6TFIXdnoAjGyYjnDr0J27KmaBu nzf2L5sRIsYA65sJLjymY4HN7ZRgE72uKbTl4G7tZTgoxqhiThTXSEPSjLR0EAKdQus+ 3xLZYGvbUNgLkencGeoEwPRqM8LcG30QeLgid9S6K/O/tH1E0qlzBzCwFPOjgwRuYBRG jU+A== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-wireless-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-wireless-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id q126si565764oia.8.2019.12.09.11.59.55; Mon, 09 Dec 2019 12:00:07 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-wireless-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-wireless-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-wireless-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726881AbfLIT6F (ORCPT + 99 others); Mon, 9 Dec 2019 14:58:05 -0500 Received: from s3.sipsolutions.net ([144.76.43.62]:37464 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726230AbfLIT6E (ORCPT ); Mon, 9 Dec 2019 14:58:04 -0500 Received: by sipsolutions.net with esmtpsa (TLS1.3:ECDHE_SECP256R1__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.92.3) (envelope-from ) id 1iePAO-00GTzU-N5; Mon, 09 Dec 2019 20:58:00 +0100 Message-ID: <41ae2775522899faca88a4bfbd08139bc7bf4d0e.camel@sipsolutions.net> Subject: Re: debugging TXQs being empty From: Johannes Berg To: Ben Greear , Kan Yan Cc: Toke =?ISO-8859-1?Q?H=F8iland-J=F8rgensen?= , linux-wireless Date: Mon, 09 Dec 2019 20:57:58 +0100 In-Reply-To: <1dbae50c-28f3-228b-bbb5-710648f2eb2d@candelatech.com> References: <9b89b3b294295063aec045b9e863a44ad20b8782.camel@sipsolutions.net> <9bcbab4b562669b96198c632f476b1b74956ca09.camel@sipsolutions.net> <336996e4-d9fe-bf3a-72fb-6919bd0adcbf@candelatech.com> <98682dcf98525b9b7db16c30f85628d5a2725eb9.camel@sipsolutions.net> <9cf0c2edcfa3ade4b53263b718b0dabf3d39e9f5.camel@sipsolutions.net> <1dbae50c-28f3-228b-bbb5-710648f2eb2d@candelatech.com> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.34.2 (3.34.2-1.fc31) MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org On Mon, 2019-12-09 at 11:55 -0800, Ben Greear wrote: > > Please let us know what you actually see and expect and if what mode > you are using (VHT, HE, 160Mhz, 2x2 vs 1x1, etc). Yeah, but I need to figure out first if I'm allowed to say the numbers, sorry :) Mostly interested in HE 160 MHz, 2x2, i.e. the max our NIC will do. > Conductive test is not actually isolation from your environment (cables leak, especially > SMA pigtails, as do radio cards and so forth, and they leak both in and out), so > you will need a real shield chamber if you want to have repeatable > testing. And, make sure you have 30db of attenuation or so inserted > if you are doing cabled setup, otherwise signal is too hot for the chips. I'm usually using 22dB attenuation, but yes :) johannes