Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 23 Mar 2007 14:20:29 -0600
From:      Tillman Hodgson <tillman@seekingfire.com>
To:        freebsd-current@freebsd.org
Subject:   Re: Experiencing hangs on SMP box with no console messages given for clues. Details inside.
Message-ID:  <20070323202029.GG1385@seekingfire.com>
In-Reply-To: <20070318192945.GB1264@seekingfire.com>
References:  <20070308204041.GA55240@xor.obsecurity.org> <20070310153206.GF1230@seekingfire.com> <3bbf2fe10703100749h14e9b075wb6d730ed7c9189f8@mail.gmail.com> <20070310161423.GA1256@seekingfire.com> <20070310193946.GA96514@xor.obsecurity.org> <20070311044033.GB1256@seekingfire.com> <20070311062637.GA1256@seekingfire.com> <20070318125635.N62476@maildrop.int.zabbadoz.net> <20070318154536.U20456@fledge.watson.org> <20070318192945.GB1264@seekingfire.com>

next in thread | previous in thread | raw e-mail | index | archive | help
On Sun, Mar 18, 2007 at 01:29:45PM -0600, Tillman Hodgson wrote:
> On Sun, Mar 18, 2007 at 03:50:01PM +0100, Robert Watson wrote:
> > If using uid/gid firewall rules, make sure to read the pertinent man pages 
> > regarding setting debug.mpsafenet=0 in loader.conf to avoid deadlocks.  
> 
> I am using firewall rules, with pf rather than ipfw, but I'm not using
> anything tied to user information.
> 
> > This is only a workaround for the issue, and when debug.mpsafenet is 
> > removed, this workaround will no longer be available.  The 
> > authors/maintainers of the various firewall packages need to correct these 
> > problems or the lock order reversals (and associated deadlocks) will 
> > persist.
> 
> Interesting :-)

Update:
5 days with it in place and no problems.

-T



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20070323202029.GG1385>