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Date:      Fri, 21 Oct 2005 03:24:49 -0400
From:      Kris Kennaway <kris@obsecurity.org>
To:        Stefan Ehmann <shoesoft@gmx.net>
Cc:        current@freebsd.org
Subject:   Re: PREEMPTION still unusable with 6.0-RC1
Message-ID:  <20051021072448.GA15130@xor.obsecurity.org>
In-Reply-To: <1129879049.771.6.camel@localhost>
References:  <1129879049.771.6.camel@localhost>

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On Fri, Oct 21, 2005 at 09:17:29AM +0200, Stefan Ehmann wrote:
> I recently upgraded my 5.4-RELEASE machine to 6.0-RC1. Runs fine so far
> if I disable PREEMPTION.
>=20
> With PREEMPTION enabled, I still get the same issues as described here:
> http://lists.freebsd.org/pipermail/freebsd-current/2004-September/037949.=
html
>=20
> kernel config:
> http://stud4.tuwien.ac.at/~e0125637/fbsd/kernconf-6.0-RC1
>=20
> /var/log/messages output:
> http://stud4.tuwien.ac.at/~e0125637/fbsd/messages-6.0-RC1
>=20
> Any one else still experiencing these problems or has any idea what
> causes this?

Turn on WITNESS, INVARIANTS and see if they report anything.  Break to
DDB and use the various debugging commands (ps, the various show
commands, ...) to trace things.

> BTW, are 6.0 discussions supposed to go to stable@ once 6.0 is released?

Yes.

Kris

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