> I've installed both patches and the problem seems to have disappeared.
> I'll try it on another machine tomorrow, too. Meanwhile: thanks very
> much for the assistance !
While testing more thoroughly, my triggers for zero mutex values after acquiring the lock are going off again. I was using the SVN xenomai development tree, but I've now switched to the (fixed) 2.1-rc2 in order to apply the patches. Is Jan's bugfix included in that one ?