From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from tuna.sandelman.ca (tuna.sandelman.ca [IPv6:2607:f0b0:f:3:216:3eff:fe7c:d1f3]) (using TLSv1.2 with cipher ADH-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id 21F743B29E for ; Tue, 5 Jan 2021 11:10:21 -0500 (EST) Received: from localhost (localhost [127.0.0.1]) by tuna.sandelman.ca (Postfix) with ESMTP id CD1CD3898B; Tue, 5 Jan 2021 11:11:22 -0500 (EST) Received: from tuna.sandelman.ca ([127.0.0.1]) by localhost (localhost [127.0.0.1]) (amavisd-new, port 10024) with LMTP id JoKCARtsugu5; Tue, 5 Jan 2021 11:11:21 -0500 (EST) Received: from sandelman.ca (obiwan.sandelman.ca [IPv6:2607:f0b0:f:2::247]) by tuna.sandelman.ca (Postfix) with ESMTP id E8AD038984; Tue, 5 Jan 2021 11:11:20 -0500 (EST) Received: from localhost (localhost [IPv6:::1]) by sandelman.ca (Postfix) with ESMTP id 5DFCA152; Tue, 5 Jan 2021 11:10:18 -0500 (EST) From: Michael Richardson To: Stephen Hemminger cc: Bloat@lists.bufferbloat.net In-Reply-To: <20210104205501.52a0ed46@hermes.local> References: <20210104205501.52a0ed46@hermes.local> X-Mailer: MH-E 8.6+git; nmh 1.7+dev; GNU Emacs 26.1 X-Face: $\n1pF)h^`}$H>Hk{L"x@)JS7<%Az}5RyS@k9X%29-lHB$Ti.V>2bi.~ehC0; <'$9xN5Ub# z!G,p`nR&p7Fz@^UXIn156S8.~^@MJ*mMsD7=QFeq%AL4m Date: Tue, 05 Jan 2021 11:10:18 -0500 Message-ID: <29119.1609863018@localhost> Subject: Re: [Bloat] Openwrt stability? X-BeenThere: bloat@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: General list for discussing Bufferbloat List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 05 Jan 2021 16:10:21 -0000 Stephen Hemminger wrote: > Any idea how to debug this? Is there a way to get serial console? It depends upon your device, but in most cases, open the case, find the pins, attach USB/TTL interface. Some newish devices (Turris MOX, for instance), annoyingly need 1.8V TTL interfaces, which are harder to find and more expensive. ($20 vs $3) -- ] Never tell me the odds! | ipv6 mesh networks [ ] Michael Richardson, Sandelman Software Works | IoT architect [ ] mcr@sandelman.ca http://www.sandelman.ca/ | ruby on rails [