From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp76.ord1c.emailsrvr.com (smtp76.ord1c.emailsrvr.com [108.166.43.76]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id A695E3B29E for ; Fri, 18 Sep 2020 16:58:34 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=g001.emailsrvr.com; s=20190322-9u7zjiwi; t=1600462714; bh=pyRhYl5BoAwb0NPUo/e7pXmlle65/b9R1fNrfFUSzlM=; h=From:Subject:Date:To:From; b=nppSGPFCVTYVK/dnN+5cZnnB2N5/xp7FVZJTnLnc/h5J8le0DgrrNSfdQ9YHiFF2p NUn0y1IDEiykCQh5kvfj/H/m0YCEuNUK+48asbmb5b66X5RM2QAr9q4YxcQjBwQYrl U03BMtg887iIoz4Xs6g6L3SWHyFFTJX/R7Dvggzg= X-Auth-ID: jf@jonathanfoulkes.com Received: by smtp10.relay.ord1c.emailsrvr.com (Authenticated sender: jf-AT-jonathanfoulkes.com) with ESMTPSA id AF395401D3; Fri, 18 Sep 2020 16:58:33 -0400 (EDT) From: Jonathan Foulkes Message-Id: <5E9A4F5D-AADC-41FF-943E-1B3E3D866878@jonathanfoulkes.com> Content-Type: multipart/alternative; boundary="Apple-Mail=_9BA5D175-C2DC-4467-BE21-4FD14D21BAC8" Mime-Version: 1.0 (Mac OS X Mail 13.4 \(3608.120.23.2.1\)) Date: Fri, 18 Sep 2020 16:58:32 -0400 In-Reply-To: Cc: Make-Wifi-fast To: Dave Taht References: X-Mailer: Apple Mail (2.3608.120.23.2.1) X-Classification-ID: be5143eb-830b-49f0-a252-8aefe27eedfd-1-1 X-Mailman-Approved-At: Sat, 19 Sep 2020 06:42:57 -0400 Subject: Re: [Make-wifi-fast] Make - fast - wifi project plan review from 2014.... X-BeenThere: make-wifi-fast@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 18 Sep 2020 20:58:34 -0000 --Apple-Mail=_9BA5D175-C2DC-4467-BE21-4FD14D21BAC8 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 Dave, You are not the only one noticing widespread wifi issues, and = I=E2=80=99m beginning to think something is amiss in the core 80211 or = related code, as ever since 18.06 (and up to recently released 19.07.4) = I=E2=80=99m observing issues with sensitivity to congestion, drastic = decreases in throughput at distance, and on MT76, very frequent = =E2=80=98drops=E2=80=99 of network connectivity, yet stations remain = enrolled and show good signal levels. Sometimes if comes back in 10 = seconds, other times minutes. And often, a restart is the only answer. LEDE 17.x had very good Wifi on the Archer C7, then 18.x and 19.x are = nowhere near as good, especially on 2.4. Current 5.x Master looks better on Mt76, but still see some issues. A shame, as when the units are operating, and one is reasonably within = range of 5Ghz, the throughput and low-latencies are quite good. Are there any guides on how to gather relevant stats to help document = these issues so the devs can zero in on the problems? Cheers, Jonathan > On Sep 18, 2020, at 12:05 PM, Dave Taht wrote: >=20 > I have been observing pretty bad behavior with a lot of 802.11ac > access points around,=20 --Apple-Mail=_9BA5D175-C2DC-4467-BE21-4FD14D21BAC8 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8 Dave,= You are not the only one noticing widespread wifi issues, and I=E2=80=99m= beginning to think something is amiss in the core 80211 or related = code, as ever since 18.06 (and up to recently released 19.07.4) I=E2=80=99= m observing issues with sensitivity to congestion, drastic decreases in = throughput at distance, and on MT76, very frequent =E2=80=98drops=E2=80=99= of network connectivity, yet stations remain enrolled and show good = signal levels. Sometimes if comes back in 10 seconds, other times = minutes. And often, a restart is the only answer.

LEDE 17.x had very good Wifi on the = Archer C7, then 18.x and 19.x are nowhere near as good, especially on = 2.4.

Current = 5.x Master looks better on Mt76, but still see some issues.

A shame, as when the = units are operating, and one is reasonably within range of 5Ghz, the = throughput and low-latencies are quite good.

Are there any guides on how to gather = relevant stats to help document these issues so the devs can zero in on = the problems?

Cheers,

Jonathan

On Sep 18, 2020, at 12:05 PM, = Dave Taht <dave.taht@gmail.com> wrote:

I have been observing pretty bad = behavior with a lot of 802.11ac
access points around, 

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