On Tue, Jan 16, 2007 at 07:53:51AM -0500, Perry E. Metzger wrote:
> 
> Andrew Doran <ad@netbsd.org> writes:
> > The branch adds one more piece of the puzzle (locking around process state).
> > That it works comparatively well is a product of all of the locks that have
> > been trickling into the system for the last .. well, since 4.4BSD I think.
> 
> BTW, I wonder whether we can modify an x86 emulator into a lock
> debugger.

Yes: http://www.valgrind.org/info/tools.html#helgrind