Re: Experiencing hangs on SMP box with no console messages given for clues. Details inside.

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