On Sun, 2018-08-05 at 16:48 +0000, Luke Benes wrote: > Noel, > > That fix and subsequent fixes are not enough. Windows debug builds > are still failing. Currently they fail on CppunitTest_services: This is the bt... #0 0x00007faf569074fd in ImplDbgTestSolarMutex() () at /mnt/instdir/program/libvcllo.so #1 0x00007faf56904df9 in vcl::EventPoster::~EventPoster() () at /mnt/instdir/program/libvcllo.so #2 0x00007faf4392b452 in (anonymous namespace)::AutoRecovery::~AutoRecovery() () at /mnt/instdir/program/libfwklo.so #3 0x00007faf4392b589 in (anonymous namespace)::AutoRecovery::~AutoRecovery() () at /mnt/instdir/program/libfwklo.so #4 0x00007faf5d03dfc8 in __run_exit_handlers () at /lib64/libc.so.6 #5 0x00007faf5d03e01a in () at /lib64/libc.so.6 #6 0x00007faf5d023891 in __libc_start_main () at /lib64/libc.so.6 #7 0x000000000040337a in _start () so its clear its the teardown of the AutoRecovery singleton, and its EventPoster object