From nobody Thu May 5 16:21:20 2022 X-Original-To: freebsd-net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 93AEB1AC3463 for ; Thu, 5 May 2022 16:21:30 +0000 (UTC) (envelope-from fbsd@www.zefox.net) Received: from www.zefox.net (www.zefox.net [50.1.20.27]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "www.zefox.com", Issuer "www.zefox.com" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4KvJqF4hR9z3rng for ; Thu, 5 May 2022 16:21:29 +0000 (UTC) (envelope-from fbsd@www.zefox.net) Received: from www.zefox.net (localhost [127.0.0.1]) by www.zefox.net (8.16.1/8.15.2) with ESMTPS id 245GLMTY030599 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NO); Thu, 5 May 2022 09:21:22 -0700 (PDT) (envelope-from fbsd@www.zefox.net) Received: (from fbsd@localhost) by www.zefox.net (8.16.1/8.15.2/Submit) id 245GLLhZ030598; Thu, 5 May 2022 09:21:21 -0700 (PDT) (envelope-from fbsd) Date: Thu, 5 May 2022 09:21:20 -0700 From: bob prohaska To: Hans Petter Selasky Cc: Bakul Shah , freebsd-net@freebsd.org Subject: Re: 60+% ping packet loss on Pi3 under -current and stable-13 Message-ID: <20220505162120.GA30539@www.zefox.net> References: <20220501232757.GA15446@www.zefox.net> <2F4599BF-EEDA-4D08-AB6E-7AA9F410B2C5@yahoo.com> <20220502011312.GA15807@www.zefox.net> <6f57cd1d-e1d4-5ca4-e301-2633c1d4c1fa@selasky.org> <20220502155334.GA17962@www.zefox.net> <0d131ec7-3c83-9470-7052-6a80af1bb574@selasky.org> <20220503022310.GA19378@www.zefox.net> <20220504154125.GA26674@www.zefox.net> List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220504154125.GA26674@www.zefox.net> X-Rspamd-Queue-Id: 4KvJqF4hR9z3rng X-Spamd-Bar: / Authentication-Results: mx1.freebsd.org; dkim=none; dmarc=none; spf=none (mx1.freebsd.org: domain of fbsd@www.zefox.net has no SPF policy when checking 50.1.20.27) smtp.mailfrom=fbsd@www.zefox.net X-Spamd-Result: default: False [-0.97 / 15.00]; RCVD_TLS_ALL(0.00)[]; ARC_NA(0.00)[]; WWW_DOT_DOMAIN(0.50)[]; MID_RHS_MATCH_FROM(0.00)[]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; TO_DN_SOME(0.00)[]; NEURAL_HAM_LONG(-0.87)[-0.875]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.00)[zefox.net]; AUTH_NA(1.00)[]; TO_MATCH_ENVRCPT_SOME(0.00)[]; NEURAL_HAM_SHORT(-1.00)[-1.000]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; MLMMJ_DEST(0.00)[freebsd-net]; R_SPF_NA(0.00)[no SPF record]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:7065, ipnet:50.1.16.0/20, country:US]; RCVD_COUNT_TWO(0.00)[2]; MID_RHS_WWW(0.50)[] X-ThisMailContainsUnwantedMimeParts: N The -current Pi3 that's having ping trouble behaves sligtly differently compared to the stable-13 example. A one-hop (no NAT) ping looks like: [test host is rebooting] ping: sendto: Host is down ping: sendto: Host is down ping: sendto: Host is down ping: sendto: Host is down 64 bytes from 50.1.20.28: icmp_seq=35 ttl=64 time=52.568 ms [ue0 just came up] 64 bytes from 50.1.20.28: icmp_seq=49 ttl=64 time=4.663 ms 64 bytes from 50.1.20.28: icmp_seq=51 ttl=64 time=1.044 ms [ntp set time] [I started outbound ping. Should have waited a bit longer.] 64 bytes from 50.1.20.28: icmp_seq=53 ttl=64 time=0.929 ms 64 bytes from 50.1.20.28: icmp_seq=55 ttl=64 time=0.902 ms 64 bytes from 50.1.20.28: icmp_seq=80 ttl=64 time=1.140 ms 64 bytes from 50.1.20.28: icmp_seq=81 ttl=64 time=1.064 ms 64 bytes from 50.1.20.28: icmp_seq=88 ttl=64 time=1.070 ms 64 bytes from 50.1.20.28: icmp_seq=108 ttl=64 time=0.967 ms 64 bytes from 50.1.20.28: icmp_seq=109 ttl=64 time=0.911 ms 64 bytes from 50.1.20.28: icmp_seq=110 ttl=64 time=0.913 ms ^C --- www.zefox.org ping statistics --- 112 packets transmitted, 11 packets received, 90.2% packet loss round-trip min/avg/max/stddev = 0.902/6.016/52.568/14.759 ms [no explicit errors on console] Uname -a on the test host reports FreeBSD 14.0-CURRENT #58 main-n255160-9a3583bfbd1: Wed May 4 21:47:21 PDT 2022 bob@www.zefox.org:/usr/obj/usr/src/arm64.aarch64/sys/GENERIC Am I correct in thinking that "main-n255160" is a sort of serial number that can be used to compare branch revisions by age? Thanks for reading, bob prohaska