From owner-freebsd-stable@freebsd.org Thu Oct 6 08:55:28 2016 Return-Path: Delivered-To: freebsd-stable@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 22725BD3609 for ; Thu, 6 Oct 2016 08:55:28 +0000 (UTC) (envelope-from peter@rulingia.com) Received: from vps.rulingia.com (vps.rulingia.com [103.243.244.15]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mail.rulingia.com", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id C5BD0E28 for ; Thu, 6 Oct 2016 08:55:26 +0000 (UTC) (envelope-from peter@rulingia.com) Received: from server.rulingia.com (ppp59-167-167-3.static.internode.on.net [59.167.167.3]) by vps.rulingia.com (8.15.2/8.15.2) with ESMTPS id u968tGg6075561 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 6 Oct 2016 19:55:21 +1100 (AEDT) (envelope-from peter@rulingia.com) X-Bogosity: Ham, spamicity=0.000000 Received: from server.rulingia.com (localhost.rulingia.com [127.0.0.1]) by server.rulingia.com (8.15.2/8.15.2) with ESMTPS id u968t9M9081966 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Thu, 6 Oct 2016 19:55:09 +1100 (AEDT) (envelope-from peter@server.rulingia.com) Received: (from peter@localhost) by server.rulingia.com (8.15.2/8.15.2/Submit) id u968t8iC081965; Thu, 6 Oct 2016 19:55:08 +1100 (AEDT) (envelope-from peter) Date: Thu, 6 Oct 2016 19:55:08 +1100 From: Peter Jeremy To: Andy Farkas Cc: freebsd-stable@freebsd.org Subject: Re: Reproducible panic - Going nowhere without my init! Message-ID: <20161006085508.GA81882@server.rulingia.com> References: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="+QahgC5+KEYLbs62" Content-Disposition: inline In-Reply-To: X-PGP-Key: http://www.rulingia.com/keys/peter.pgp User-Agent: Mutt/1.6.1 (2016-04-27) X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 06 Oct 2016 08:55:28 -0000 --+QahgC5+KEYLbs62 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On 2016-Oct-04 11:14:38 +1000, Andy Farkas wrote: >Is it just me or.... > >Step 1: boot >Step 2: login as root >Step 3: type "w" * >Step 4: type "shutdown now; logout" >Step 5: press at the 'Enter full pathname of shell or RETURN for >/bin/sh:' prompt >Step 6: type "reboot" >Step 7: get a Panic: "Going nowhere without my init!" > >* The panic will not happen if you skip step 3. > >The panic will not happen if you type "sync; sync; sync" after step 5. > >The panic will not happen if you wait (an unknown amount of) some time >after step 5. I can reproduce this on the console of my GCE instance but the timing seems important. It doesn't seem to fail if I ssh in or if I pause between any of the commands. =2E.. gce1# w 7:47PM up 38 secs, 1 users, load averages: 0.69, 0.22, 0.08 USER TTY FROM LOGIN@ IDLE = WHAT root u0 - 7:47PM - w gce1# shutdown now;logout Shutdown NOW! shutdown: [pid 1071] Stopping cron. Stopping sshd. Stopping ntpd. Stopping local_unbound. Stopping devd. Writing entropy file:. Writing early boot entropy file:. Terminated =2E Oct 6 19:47:09 pflog0: promiscuous mode disabled Enter full pathname of shell or RETURN for /bin/sh: gce1# reboot Oct 6 19:47:17 init: single user shell terminated. init died (signal 0, exit 0) panic: Going nowhere without my init! Uptime: 55s Changing serial settings was 0/0 now 3/0 Start bios (version 1.7.2-20150226_170051-google) gce1$ uname -a FreeBSD gce1.rulingia.com 11.0-PRERELEASE FreeBSD 11.0-PRERELEASE #83 r3067= 04M: Thu Oct 6 13:22:27 AEDT 2016 root@gce1.rulingia.com:/usr/obj/usr/= src/sys/GCE amd64 I haven't investigated the cause yet. --=20 Peter Jeremy --+QahgC5+KEYLbs62 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQJ8BAEBCgBmBQJX9hFsXxSAAAAAAC4AKGlzc3Vlci1mcHJAbm90YXRpb25zLm9w ZW5wZ3AuZmlmdGhob3JzZW1hbi5uZXRFRUIyOTg2QzMwNjcxRTc0RTY1QzIyN0Ux NkE1OTdBMEU0QTIwQjM0AAoJEBall6Dkogs0XBcP/iu/Ha3/PywdqH2ytbXaCiVY 3kJdmG4T7bKrpWwXtUZ5yWu8mLJyLJdfOne6h0QjNCrbHbD3/Wf7r4jJtoP8YA9u Nn3o3QSflRmTvQ5muvZ75DKYHW7WIJCMQkfdhVOIuqLhZFgDnGi6ibDPk8tuHntz 3Y3woD5xz+GuHP3UQD5R18lCPBFhgsAK3bBlUY9c0ryln//xsCNwC6FBpcisO2y9 3OGjikWop6GPSnQLzfnAxb/i2QLVhimIHUgLlrgQt8VjaDOix29Y22p5NKwNKrgz PCBCOYTMHLSaznX8f5MtA3921FgsO3L5becD2sRAlX4XzVqGwKJrhc3KQtF4j1di kynA0Gzak/dqTcFb3AkEwrOkbHPZpHdqVoEOBPSfXeW4JXhv017P6HyrbIdjZHme OqKYfREaNitO1YtfbBauDimPTT4GoPIKoXk+vO4Q9JupQnXdiIl2kkdhg5jmfqKP HdjPB1rGqzRU/8pm3I8k6NU/9BYGT/hvT+0xy9aA314l2x2lj5cp1KtsII0CwBOY BOhU+sK9ibT/YtTt6/Dz+t5dMZ4conQjoG+woY8aFmhlfyR+4T60BUJl+X6ydnQF 15dvPTXhLB1nvZC9qVgICp9E95Vy1/ld//sk7RjkoazmZXH4MY7yzvzxi07bGc8U dqnp5LM2cw6eYitZQdfC =TImw -----END PGP SIGNATURE----- --+QahgC5+KEYLbs62--