Hi, On 26 December 2016 at 05:08, Petter Reinholdtsen <p...@hungry.com> wrote: > [Felipe Sateler] >> This suggests there is some wrong thread usage. Andrew, any idea what >> could this be? > > There are several bugs that can trigger this. For example trying to unlock an > non-locked lock. Using 'valgrind --tool=helgrind' make it possible to see > incorrect > lock usage.