From owner-freebsd-current@freebsd.org Mon Nov 23 14:00:31 2015 Return-Path: Delivered-To: freebsd-current@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 B617EA356D4 for ; Mon, 23 Nov 2015 14:00:31 +0000 (UTC) (envelope-from david@catwhisker.org) Received: from mailman.ysv.freebsd.org (mailman.ysv.freebsd.org [IPv6:2001:1900:2254:206a::50:5]) by mx1.freebsd.org (Postfix) with ESMTP id 9B215124F for ; Mon, 23 Nov 2015 14:00:31 +0000 (UTC) (envelope-from david@catwhisker.org) Received: by mailman.ysv.freebsd.org (Postfix) id 96A99A356D2; Mon, 23 Nov 2015 14:00:31 +0000 (UTC) Delivered-To: current@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 963B3A356D1 for ; Mon, 23 Nov 2015 14:00:31 +0000 (UTC) (envelope-from david@catwhisker.org) Received: from albert.catwhisker.org (mx.catwhisker.org [198.144.209.73]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 42BBB124E for ; Mon, 23 Nov 2015 14:00:30 +0000 (UTC) (envelope-from david@catwhisker.org) Received: from albert.catwhisker.org (localhost [127.0.0.1]) by albert.catwhisker.org (8.15.2/8.15.2) with ESMTP id tANE0TH0015068; Mon, 23 Nov 2015 06:00:29 -0800 (PST) (envelope-from david@albert.catwhisker.org) Received: (from david@localhost) by albert.catwhisker.org (8.15.2/8.15.2/Submit) id tANE0TJv015067; Mon, 23 Nov 2015 06:00:29 -0800 (PST) (envelope-from david) Date: Mon, 23 Nov 2015 06:00:29 -0800 From: David Wolfskill To: Konstantin Belousov Cc: current@freebsd.org Subject: [Resolved]: Panic: GPF in kernel mode in fork_exit() (prior to FS mouont) Message-ID: <20151123140029.GL1119@albert.catwhisker.org> Mail-Followup-To: David Wolfskill , Konstantin Belousov , current@freebsd.org References: <20151123132320.GJ1119@albert.catwhisker.org> <20151123133317.GA58629@kib.kiev.ua> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="NZiXfHLGvOGtDZMn" Content-Disposition: inline In-Reply-To: <20151123133317.GA58629@kib.kiev.ua> User-Agent: Mutt/1.5.24 (2015-08-30) X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.20 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: Mon, 23 Nov 2015 14:00:31 -0000 --NZiXfHLGvOGtDZMn Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Nov 23, 2015 at 03:33:17PM +0200, Konstantin Belousov wrote: > ... > > I'm happy to test possible fixes. >=20 > The source line which paniced is kern_fork.c:1025, according to the kgdb > backtrace. The corresponding fragment is > if (p->p_sysent->sv_schedtail !=3D NULL) > (p->p_sysent->sv_schedtail)(td); > The revision 291171 changed layout of the dereferenced structure > sysentvec. Was your kernel build clean, or did you used -DNO_CLEAN or > similar option ? If yes, remove the kernel build directory and start > from scratch. A plain "make kernel" later (without -DNO_CLEAN) on the build machine, and: FreeBSD freebeast.catwhisker.org 11.0-CURRENT FreeBSD 11.0-CURRENT #1910 r= 291193M/291193:1100090: Mon Nov 23 05:53:43 PST 2015 root@freebeast.cat= whisker.org:/common/S4/obj/usr/src/sys/GENERIC amd64 Thanks! :-) Peace, david --=20 David H. Wolfskill david@catwhisker.org Those who would murder in the name of God or prophet are blasphemous coward= s. See http://www.catwhisker.org/~david/publickey.gpg for my public key. --NZiXfHLGvOGtDZMn Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQJ8BAEBCgBmBQJWUxv9XxSAAAAAAC4AKGlzc3Vlci1mcHJAbm90YXRpb25zLm9w ZW5wZ3AuZmlmdGhob3JzZW1hbi5uZXQ4RThEMDY4QTIxMjc1MDZFRDIzODYzRTc4 QTY3RjlDOERFRjQxOTNCAAoJEIpn+cje9Bk7rgUQAIuwFDBm64qOfy+H1AG52nLf cIhmYYFxKGeZpzHVfOFzVbeBFCUB/4fzFO53VxMnLvKwbli0hVYTj5P5t4HHQYGu pwlDctL6EQVX/QTpm2m+japOehHC+3vqFqFArXfCDc73Lswbbte3EkKGGDvLaJxE o4CVGoUEJaMftmZ1VMWzdxUdqIA9QRTgaA3Dxm/VUsVzWh3AvDivuTwjIPgp4JZK bYhL1tQI12L4McGv70G/ZpAA+Hwc0HYjLFekWQFwcoGvEgxOU1iDfr2dbZXnywAV TG5MAsHi7RyhNMw2JWk9dOn330OhqhJT9LEriT03GOq4VtErB5N0dLajucAv8ktO ZZ+s9GDQvfhZvWYRNAr5zh3ttNL8JYMbnPj2qc5ws45hmwiornNbzQV86JhTJrSd FwYEyy8WewtCDxd7kqd571G/cEBYS4gE86KzUAi9QalrPnjqxXTBrdM0m/rtMq0a ioeDsfol8UDb0Gu+1t1wXda9g5gmUmbP92ibc4ut5A2O65ZD8rQermaF4y2l06h8 vn1lBQecOciMJCNrIEyNnftDvm5kfVsvTfS0vPfocAOZ/iBn8Hdyr7fhBdAqnujA NpPMTn3OL3J6F3dbDt4E1a1iiI6XXdh9wHwNNvBiKleIyC+h2j0FMJ1RU3jSvJcH rEqmAhtbZ7p/cV4gKpWA =fFAh -----END PGP SIGNATURE----- --NZiXfHLGvOGtDZMn--