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Date:      Mon, 23 Nov 2015 06:00:29 -0800
From:      David Wolfskill <david@catwhisker.org>
To:        Konstantin Belousov <kostikbel@gmail.com>
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>
In-Reply-To: <20151123133317.GA58629@kib.kiev.ua>
References:  <20151123132320.GJ1119@albert.catwhisker.org> <20151123133317.GA58629@kib.kiev.ua>

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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.

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