. Thread 6 (process 6722): #0 0x00007feb78067e81 in nanosleep () from /lib/libpthread.so.0 #1 0x000000000050d3b4 in ?? () #2 0x00007feb780603f7 in start_thread () from /lib/libpthread.so.0 #3 0x00007feb77b4eb7d in epoll_pwait () from /lib/libc.so.6 #4 0x0000000000000000 in ?? () . Thread 5 (process 6727): #0 0x00007feb78064b99 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 #1 0x0000000000512582 in ?? () #2 0x00000000005128b0 in ?? () #3 0x0000000000512676 in ?? () #4 0x0000000000523dfc in ?? () #5 0x000000000052408c in ?? () #6 0x00000000004c84a3 in ?? () #7 0x00000000004c870d in ?? () #8 0x00000000004c8731 in mono_thread_interruption_checkpoint () #9 0x0000000040faf272 in ?? () #10 0x0000000040251ca0 in ?? () #11 0x0000000000898c28 in ?? () #12 0x0000000000000001 in ?? () #13 0x0000000040faf22b in ?? () #14 0x00007feb76029af0 in ?? () #15 0x0000000040251d50 in ?? () #16 0x0000000040251c10 in ?? () #17 0x0000000000000000 in ?? () . Thread 4 (process 6730): #0 0x00007feb78064b99 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 #1 0x0000000000512582 in ?? () #2 0x00000000005128b0 in ?? () #3 0x0000000000512676 in ?? () #4 0x0000000000523dfc in ?? () #5 0x000000000052408c in ?? () #6 0x00000000004c84a3 in ?? () #7 0x00000000004c870d in ?? () #8 0x00000000004c8731 in mono_thread_interruption_checkpoint () #9 0x0000000040faf272 in ?? () #10 0x00000000414aecc0 in ?? () #11 0x00000000004c3b43 in ?? () #12 0x000000004123bf29 in ?? () #13 0x0000000000000000 in ?? () . Thread 3 (process 6731): #0 0x00007feb78064b99 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 #1 0x0000000000512582 in ?? () #2 0x00000000005128b0 in ?? () #3 0x0000000000512676 in ?? () #4 0x0000000000523dfc in ?? () #5 0x000000000052408c in ?? () #6 0x00000000004c84a3 in ?? () #7 0x00000000004c870d in ?? () #8 0x00000000004c8731 in mono_thread_interruption_checkpoint () #9 0x0000000040faf272 in ?? () #10 0x00000000416afcb0 in ?? () #11 0x00000000004c3b43 in ?? () #12 0x000000004123bf29 in ?? () #13 0x0000000000000000 in ?? () . Thread 2 (process 6732): #0 0x00007feb78064b99 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 #1 0x0000000000512582 in ?? () #2 0x00000000005128b0 in ?? () #3 0x0000000000512676 in ?? () #4 0x0000000000523dfc in ?? () #5 0x000000000052408c in ?? () #6 0x00000000004c84a3 in ?? () #7 0x00000000004c870d in ?? () #8 0x00000000004c8731 in mono_thread_interruption_checkpoint () #9 0x0000000040faf272 in ?? () #10 0x0000000040818cb0 in ?? () #11 0x000000000086eb60 in ?? () #12 0x0000000000000000 in ?? () . Thread 1 (process 6721): #0 0x000000004188d020 in ?? () #1 0x00007feb74752055 in ?? () #2 0x0000000000000000 in ?? ()