From owner-freebsd-net@freebsd.org Fri Jun 26 19:53:07 2020 Return-Path: Delivered-To: freebsd-net@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id A17FA35E6E4 for ; Fri, 26 Jun 2020 19:53:07 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mail-qv1-xf2b.google.com (mail-qv1-xf2b.google.com [IPv6:2607:f8b0:4864:20::f2b]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 49tncL4mHRz3XvC for ; Fri, 26 Jun 2020 19:53:06 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: by mail-qv1-xf2b.google.com with SMTP id g11so5042185qvs.2 for ; Fri, 26 Jun 2020 12:53:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=urPSOjtUZV5dP5mg4NrHFBr6gNDXyuqBy0RJZXEkpso=; b=r4Md9Mmx04wLv2f1BZTtp08aPhq04SQxqlhQOVn703TCENQGcU7R3SD7ViMIesG4tc K+sdnHjO+EGa2RFi9KvdlHTI2Rxb02NkTL1hvv3LrmGOEhlMvLOo1urEhCge26BzI/j7 cc21SeS6/nguYic7E2iQ+y1CyeDvaQn6iULSwQQHnB2o7H84L4hlOt6rnPPm2cJ/zLr5 Ooi65lLzH88OuTM693l1h1w3UJIbLvnduIoOpATsbmEb1fXvH3iY34H/860WFlKMEzJ/ SSa7nNY9E3dizdgeJYfECrG8srccJMScJO9Q3EUll+8hzW4PDS/l8r6VryUUj1AXoxrQ oi6Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=urPSOjtUZV5dP5mg4NrHFBr6gNDXyuqBy0RJZXEkpso=; b=qsENUROJTUIw3XtFlHA5lIwZwK43VNqbvm+YV4gHpZJBgfwKSfoKtelPskKmvXihBT qaiEDob8B/dpRhsnqHtrQkWunNaAoRIxqb8nA+bOO8JxwHrbgIMYWIbLNFdjk55D0Irn gvJlFjMgpBF7DvipsMVS+r1J3rjFEtzhYwcbOnWPExqDI6lzDLh8S+SgCaSfi7lrJhTA 2Q77gkd42CtOiXUu6y6dz01eN6GL2kslf6hrz2UWZ/JOGbgTQp8jJzfXlvwFiC5PTfaR assTCBV0vo3ZR1ZkubXMsq6AJfCI6qYNcJQErgcLrNk16jH765dG6sChaeaZPuuXGK6B g4IA== X-Gm-Message-State: AOAM53257mSLnWXiKECkQ851nNgMjNBuczvpFW66t+sLZaEfAgf1G8ft hPxoqSuz0T5Mpwcu5ktXtPbyyhaDLuUOn692nZ3JuA== X-Google-Smtp-Source: ABdhPJxcxhZyl+SKYhB48gDPc2a8WTRqLzzuJQeKNAULdL7iRGtKzV1aKCOITYLgku6tNoeoMUVjWGMIJoMjEN59Ej8= X-Received: by 2002:a0c:e1c3:: with SMTP id v3mr3708483qvl.209.1593201185675; Fri, 26 Jun 2020 12:53:05 -0700 (PDT) MIME-Version: 1.0 References: <07f4e7f5-095e-e89e-2c55-d283ca62149c@druid.net> In-Reply-To: From: Adrian Chadd Date: Fri, 26 Jun 2020 12:52:52 -0700 Message-ID: Subject: Re: WiFi hotspot keeps dropping To: "D'Arcy Cain" Cc: FreeBSD Net X-Rspamd-Queue-Id: 49tncL4mHRz3XvC X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=r4Md9Mmx; dmarc=pass (policy=none) header.from=gmail.com; spf=pass (mx1.freebsd.org: domain of adrianchadd@gmail.com designates 2607:f8b0:4864:20::f2b as permitted sender) smtp.mailfrom=adrianchadd@gmail.com X-Spamd-Result: default: False [-2.72 / 15.00]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.01)[-1.005]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; FROM_HAS_DN(0.00)[]; DWL_DNSWL_NONE(0.00)[gmail.com:dkim]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36:c]; FREEMAIL_FROM(0.00)[gmail.com]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-net@freebsd.org]; NEURAL_HAM_LONG(-1.04)[-1.035]; URI_COUNT_ODD(1.00)[1]; TO_MATCH_ENVRCPT_SOME(0.00)[]; TO_DN_ALL(0.00)[]; DKIM_TRACE(0.00)[gmail.com:+]; RCPT_COUNT_TWO(0.00)[2]; DMARC_POLICY_ALLOW(-0.50)[gmail.com,none]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::f2b:from]; NEURAL_HAM_SHORT(-0.68)[-0.681]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+,1:+,2:~]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; TAGGED_FROM(0.00)[]; RCVD_TLS_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2] Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.33 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 26 Jun 2020 19:53:07 -0000 OH wow, I only JUST saw this, sorry! On Sun, 21 Jun 2020 at 03:40, D'Arcy Cain wrote: > On 2020-06-19 12:14, Adrian Chadd wrote: > > [snip] Also, did you plug in something USB-3 related recently? :-) > > > > USB-3 / USB-C's signaling frequency interferes with 2.4GHz :-) > > No. The only USB-C I have is my phone which I have never plugged into the > computer. > > Here's another data point. It seems that I don't necessarily have to > restart hostapd. If I do "ifconfig wlan0 scan" it comes back as well. > > Ok, when it next happens, do this: sysctl dev.ath.0.forcebstuck=1 .. that forces a stuck beacon event, which resets the NIC. I wonder if the problem is the NIC is now deaf. I fixed some issues in FreeBSD-HEAD around noise floor calibration failures which led to NIC deafness, but you won't even SEE that debugging unless you've compiled a custom kernel with the above options. Please let me know if you need any help compiling up a custom kernel. -adrian -- > D'Arcy J.M. Cain | Democracy is three wolves > http://www.druid.net/darcy/ | and a sheep voting on > +1 416 788 2246 (DoD#0082) (eNTP) | what's for dinner. > IM: darcy@VybeNetworks.com, VoIP: sip:darcy@druid.net > >