Date: Sun, 23 Oct 2005 12:17:32 +0200 From: Stefan Ehmann <shoesoft@gmx.net> To: Kris Kennaway <kris@obsecurity.org> Cc: Gleb Smirnoff <glebius@FreeBSD.org>, current@FreeBSD.org Subject: Re: ipfw uid/gid rules and mpsafenet (Re: PREEMPTION still unusable with 6.0-RC1) Message-ID: <1130062652.1459.9.camel@taxman.pepperland> In-Reply-To: <20051022183316.GA28513@xor.obsecurity.org> References: <1129879049.771.6.camel@localhost> <20051022154537.GL59364@cell.sick.ru> <20051022183316.GA28513@xor.obsecurity.org>
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On Sat, 2005-10-22 at 14:33 -0400, Kris Kennaway wrote: > On Sat, Oct 22, 2005 at 07:45:37PM +0400, Gleb Smirnoff wrote: > > On Fri, Oct 21, 2005 at 09:17:29AM +0200, Stefan Ehmann wrote: > > S> I recently upgraded my 5.4-RELEASE machine to 6.0-RC1. Runs fine so far > > S> if I disable PREEMPTION. > > S> > > S> With PREEMPTION enabled, I still get the same issues as described here: > > S> http://lists.freebsd.org/pipermail/freebsd-current/2004-September/037949.html > > S> > > S> kernel config: > > S> http://stud4.tuwien.ac.at/~e0125637/fbsd/kernconf-6.0-RC1 > > S> > > S> /var/log/messages output: > > S> http://stud4.tuwien.ac.at/~e0125637/fbsd/messages-6.0-RC1 > > S> > > S> Any one else still experiencing these problems or has any idea what > > S> causes this? > > S> > > S> BTW, are 6.0 discussions supposed to go to stable@ once 6.0 is released? > > > > AFAIK, the uid/gid rules in ipfw(8) require debug.mpsafenet=0. So > > your deadlock isn't a surprise. I wonder why this limitation isn't > > documented. > > Yeah, and ipfw(8) should refuse to add them if it's =1, or at least > display a warning. For me it works with - mpsafenet=1 and no preemption - mpsafenet=0 and preemption Maybe the notes that were deleted in /src/sbin/ipfw/ipfw.8 rev 1.160 should be added again? (or documented elsewhere at least) Stefan
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