Ingo Weinhold <ingo_weinhold@xxxxxx> wrote: .. > > holder: -1 > > reader count: 1 > > writer count: 2 > > owner count: 0 > > > > waiting threads: 293/w 259/r 320/r > > 258/w 282/r 351/r 277/r 279/r 267/r > > 278/r 366/r > > In principle this looks OK. Someone has the > read-lock and two writers and several readers > are queued. It would be interesting to know > who has the read lock and why the owner doesn't > release it. Is there a way to find out which threads are the current (non-waiting) reader and writers? Anything else that might be of interest? I´ve still got the KDL open. /Jonas.