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

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 :-)

-T