. Thread 6 (process 5615): #0 0x0fe6dad0 in ?? () from /lib/libpthread.so.0 #1 0x0fe6dabc in ?? () from /lib/libpthread.so.0 . Thread 5 (process 5617): #0 0x0fe69064 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0 #1 0x100cd680 in ?? () #2 0x100cdab8 in ?? () #3 0x100cd858 in ?? () #4 0x100e49a4 in ?? () #5 0x10071d54 in ?? () #6 0x1008d4e8 in ?? () #7 0x100e23e8 in ?? () #8 0x101089f0 in ?? () #9 0x0fe637e4 in start_thread () from /lib/libpthread.so.0 #10 0x0fd09e84 in clone () from /lib/libc.so.6 Backtrace stopped: previous frame inner to this frame (corrupt stack?) . Thread 4 (process 5754): #0 0x0fcf6e80 in __xstat64 () from /lib/libc.so.6 . Thread 3 (process 5755): #0 0x0fe6dad0 in ?? () from /lib/libpthread.so.0 #1 0x0fe6dabc in ?? () from /lib/libpthread.so.0 . Thread 2 (process 5756): #0 0x0fe6dad0 in ?? () from /lib/libpthread.so.0 #1 0x0fe6dabc in ?? () from /lib/libpthread.so.0 . Thread 1 (process 5616): #0 0x100ffbe0 in ?? () #1 0x100ffc38 in ?? () #2 0x100ffc38 in ?? () #3 0x100ffc38 in ?? () #4 0x100ffc38 in ?? () #5 0x100ffc38 in ?? () #6 0x100ffcf0 in ?? () #7 0x100f9c9c in ?? () #8 0x1005bf40 in mono_object_new_alloc_specific () #9 0x1005c078 in mono_object_new_specific () #10 0x1005c0a4 in mono_object_new () #11 0x1008e1c0 in mono_thread_attach () #12 0x10133a4c in mono_jit_thread_attach () #13 0x315fe400 in ?? () #14 #15 0x0fe6dad0 in ?? () from /lib/libpthread.so.0 #16 0x0fe6dabc in ?? () from /lib/libpthread.so.0 #17 0x100c6f44 in ?? () #18 0x0fe637e4 in start_thread () from /lib/libpthread.so.0 #19 0x0fd09e84 in clone () from /lib/libc.so.6 Backtrace stopped: previous frame inner to this frame (corrupt stack?)