{ libunwind causes spurious report Memcheck:Param msync(start) ... obj:/usr/lib64/libunwind.so.* ... fun:_ULx86_64_step ... } { boost unlocks before signalling cond var Helgrind:Misc ... fun:pthread_cond_signal@* fun:maybe_unlock_and_signal_one > ... } { we leak the logger, for performance reasons in on-the-fly init Memcheck:Leak match-leak-kinds: definite fun:_Znwm fun:_ZN2el4base7Storage7getELPPEv ... }