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List:       freebsd-current
Subject:    Re: Panic in ld_ldt() @r292914 (amd64) -- just after launching CPUs
From:       David Wolfskill <david () catwhisker ! org>
Date:       2015-12-30 15:02:40
Message-ID: 20151230150240.GN1222 () albert ! catwhisker ! org
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On Wed, Dec 30, 2015 at 04:25:28PM +0200, Konstantin Belousov wrote:
> On Wed, Dec 30, 2015 at 05:54:07AM -0800, David Wolfskill wrote:
> > Found this on both my build machine and my laptop, each of which just
> > built head @r292914 (while running r292864 during the build) -- e.g.:
> > 
> > FreeBSD g1-252.catwhisker.org 11.0-CURRENT FreeBSD 11.0-CURRENT #287  \
> > r292864M/292864:1100092: Tue Dec 29 05:01:42 PST 2015     \
> > root@g1-252.catwhisker.org:/common/S4/obj/usr/src/sys/CANARY  amd64 
> > Unfortunately, the panic occurs early enough that I can't get a crash
> > dump (I'm don't think the swap device has yet been discovered), and
> > serial console isn't working for my build machine.
> ...
> 
> Try clean build first.  struct proc layout was changed recently, and the
> instruction at ld_ldt would fault if using the wrong offsets.
> ....

OK; thanks -- that works:

FreeBSD freebeast.catwhisker.org 11.0-CURRENT FreeBSD 11.0-CURRENT #1944  \
r292914M/292914:1100092: Wed Dec 30 06:51:53 PST 2015     \
root@freebeast.catwhisker.org:/common/S4/obj/usr/src/sys/GENERIC  amd64

FreeBSD g1-252.catwhisker.org 11.0-CURRENT FreeBSD 11.0-CURRENT #289  \
r292914M/292914:1100092: Wed Dec 30 06:50:13 PST 2015     \
root@g1-252.catwhisker.org:/common/S4/obj/usr/src/sys/CANARY  amd64

Peace,
david
-- 
David H. Wolfskill				david@catwhisker.org
Those who would murder in the name of God or prophet are blasphemous cowards.

See http://www.catwhisker.org/~david/publickey.gpg for my public key.


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