From owner-freebsd-current@freebsd.org Sun Nov 29 16:16:27 2020 Return-Path: Delivered-To: freebsd-current@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 C11254A6CAC for ; Sun, 29 Nov 2020 16:16:27 +0000 (UTC) (envelope-from david@catwhisker.org) Received: from mailman.nyi.freebsd.org (unknown [127.0.1.3]) by mx1.freebsd.org (Postfix) with ESMTP id 4CkYQM3Dr8z4qJR for ; Sun, 29 Nov 2020 16:16:27 +0000 (UTC) (envelope-from david@catwhisker.org) Received: by mailman.nyi.freebsd.org (Postfix) id 5EA6D4A69CB; Sun, 29 Nov 2020 16:16:27 +0000 (UTC) Delivered-To: current@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 5E34A4A69CA for ; Sun, 29 Nov 2020 16:16:27 +0000 (UTC) (envelope-from david@catwhisker.org) Received: from mx.catwhisker.org (mx.catwhisker.org [107.204.234.170]) (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 did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4CkYQL50sSz4qNq for ; Sun, 29 Nov 2020 16:16:24 +0000 (UTC) (envelope-from david@catwhisker.org) Received: from albert.catwhisker.org (localhost [127.0.0.1]) by albert.catwhisker.org (8.16.1/8.15.2) with ESMTP id 0ATGGMIM003418; Sun, 29 Nov 2020 16:16:22 GMT (envelope-from david@albert.catwhisker.org) Received: (from david@localhost) by albert.catwhisker.org (8.16.1/8.16.1/Submit) id 0ATGGM9J003417; Sun, 29 Nov 2020 08:16:22 -0800 (PST) (envelope-from david) Date: Sun, 29 Nov 2020 08:16:22 -0800 From: David Wolfskill To: Ryan Stone Cc: FreeBSD Current Subject: Re: Laptop exhibits erratic responsiveness Message-ID: Mail-Followup-To: David Wolfskill , Ryan Stone , FreeBSD Current References: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="+uyi7bWh+G9OHbRd" Content-Disposition: inline In-Reply-To: X-Rspamd-Queue-Id: 4CkYQL50sSz4qNq X-Spamd-Bar: ---- X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[] X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 29 Nov 2020 16:16:27 -0000 --+uyi7bWh+G9OHbRd Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Nov 29, 2020 at 11:04:46AM -0500, Ryan Stone wrote: > On Sun, Nov 29, 2020 at 9:12 AM David Wolfskill wr= ote: > > OK, and demonstrated some long RTTs about every 11 packets or so, but we > > see thing come to a screeching halt with: > > > > ... > > 64 bytes from 172.16.8.13: icmp_seq=3D534 ttl=3D63 time=3D0.664 ms > > lockstat: dtrace_status(): Abort due to systemic unresponsiveness > > 64 bytes from 172.16.8.13: icmp_seq=3D535 ttl=3D63 time=3D9404.383 ms > > > > and we get no lockstat output. :-/ >=20 > I believe that if you run lockstat with the additional "-x > destructive" option, it will disable the responsiveness test (the > option does sound scary but it will not have any other potentially > destructive effect) Thanks; the laptop is presently running head @r368143, building head @r367410 (which is gthe last point before the issues were observed, I think), so I have fired that up. Peace, david --=20 David H. Wolfskill david@catwhisker.org "Make America Great Again," he said -- and THIS is what he did??!? See http://www.catwhisker.org/~david/publickey.gpg for my public key. --+uyi7bWh+G9OHbRd Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQGTBAEBCgB9FiEE4owz2QxMJyaxAefyQLJg+bY2PckFAl/DyVZfFIAAAAAALgAo aXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5maWZ0aGhvcnNlbWFuLm5ldEUy OEMzM0Q5MEM0QzI3MjZCMTAxRTdGMjQwQjI2MEY5QjYzNjNEQzkACgkQQLJg+bY2 Pcl7HQf+IQXzy1RV22VaF1MXSjLAFyq8HgEsC5QvCDedIOzzSatCU7Pkp4IOtaQw PsZ6cJ4pSVLEF2+KbZ50g0W6t96fo0kKvUryZRsiTZsGmFBFd+y5c7asUeLdmJK1 o1BOkH5qQ//gxpoo8eV4XCZFChGdWF+Ki9fWUjxUzdYYvuhC9IJWTOB1AsEE2Q/8 VY84KB/GaUuT5QbD3bFN5UyuHy0h/63aCjZJgmeCcWYlsu1XXqTYOggjjhaGZ5Kv 0iIfa26ZOYlvHKDo3X3Pd05MDPgR5ekAbLBaWKSOfFoQ5vQOZeunmVKha1kTm2xM tOd+l0RRs3ATAgeZQ6GwxC1Aygr/aw== =yq4K -----END PGP SIGNATURE----- --+uyi7bWh+G9OHbRd--