pthread_detach(): invalid thread ID 0x........
   at 0x........: vgDrd_set_joinable (drd_pthread_intercepts.c:?)
   by 0x........: pthread_detach (drd_pthread_intercepts.c:?)
   by 0x........: main (pth_detached3.c:21)

pthread_detach(): invalid thread ID 0x........
   at 0x........: vgDrd_set_joinable (drd_pthread_intercepts.c:?)
   by 0x........: pthread_detach (drd_pthread_intercepts.c:?)
   by 0x........: main (pth_detached3.c:24)

Finished.

ERROR SUMMARY: 2 errors from 2 contexts (suppressed: 0 from 0)