. Thread 4 (process 13791): #0 0x00007f80817a3e81 in nanosleep () from /lib/libpthread.so.0 #1 0x000000000050d3b4 in ?? () #2 0x00007f808179c3f7 in start_thread () from /lib/libpthread.so.0 #3 0x00007f808128ab7d in clone () from /lib/libc.so.6 #4 0x0000000000000000 in ?? () . Thread 3 (process 13797): #0 0x00007f80817a0b99 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 0x00000000004a91c0 in ?? () #6 0x00000000004c46da in ?? () #7 0x000000000052220c in ?? () #8 0x000000000053fc57 in ?? () #9 0x00007f808179c3f7 in start_thread () from /lib/libpthread.so.0 #10 0x00007f808128ab7d in clone () from /lib/libc.so.6 #11 0x0000000000000000 in ?? () . Thread 2 (process 13906): #0 0x00007f80817a37fb in accept () from /lib/libpthread.so.0 #1 0x00000000005200d9 in ?? () #2 0x00000000004ccc37 in ?? () #3 0x0000000041877f93 in ?? () #4 0x0000000041e87880 in ?? () #5 0x0000000041e87954 in ?? () #6 0x0000000000d51d20 in ?? () #7 0x000000000086f680 in ?? () #8 0x0000000041e87918 in ?? () #9 0x0000000041877f3b in ?? () #10 0x00007f80822c9be0 in ?? () #11 0x0000000041e87990 in ?? () #12 0x0000000041e87810 in ?? () #13 0x00007f807bffaf50 in ?? () #14 0x00007f807f9b8a10 in ?? () #15 0x00007f807c0a1e40 in ?? () #16 0x0000000041e87930 in ?? () #17 0x0000000041877f1c in ?? () #18 0x0000000041e87990 in ?? () #19 0x0000000041877ca7 in ?? () #20 0x0000000041e879a0 in ?? () #21 0x7bfcb1407bffaf50 in ?? () #22 0x00007f8000007f80 in ?? () #23 0x00007f807c0a1e40 in ?? () #24 0x00007f807c0a1e40 in ?? () #25 0x4069000000000000 in ?? () #26 0x4059000000000000 in ?? () #27 0x408f400000000000 in ?? () #28 0xbb60000000000000 in ?? () #29 0xbea224ea5e3c2a62 in ?? () #30 0x3e12ac3358745c7b in ?? () #31 0x4024000000000000 in ?? () #32 0x3ff4000000000000 in ?? () #33 0x00007f807bfcb140 in ?? () #34 0x0000000000000001 in ?? () #35 0x000000007ec66500 in ?? () #36 0x00007f80822c9be0 in ?? () #37 0x0000000041e87730 in ?? () #38 0x0000000041e87990 in ?? () #39 0x00007f807c0a1ea0 in ?? () #40 0xffffffffffffffff in ?? () #41 0xffffffffffffffff in ?? () #42 0x0000000000000000 in ?? () . Thread 1 (process 13786): #0 0x00007f80811f7634 in vfprintf () from /lib/libc.so.6 #1 0x00007f80811fbd53 in buffered_vfprintf () from /lib/libc.so.6 #2 0x00007f80811f76b0 in vfprintf () from /lib/libc.so.6 #3 0x00007f8081200e88 in fprintf () from /lib/libc.so.6 #4 0x000000000058de3f in ?? () #5 0x000000000058c404 in ?? () #6 0x000000000058c503 in ?? () #7 0x000000000058ded7 in ?? () #8 0x000000000046a070 in ?? () #9 0x000000000056eb60 in ?? () #10 #11 0x00000000004fbe0d in mono_class_from_typeref () #12 0x00000000005081e1 in mono_class_get_full () #13 0x00000000004f2586 in ?? () #14 0x0000000000505a8a in ?? () #15 0x0000000000504359 in mono_class_init () #16 0x00000000005a49f4 in ?? () #17 0x00000000005a4da0 in ?? () #18 0x00000000005a484a in ?? () #19 0x00000000005a503a in mono_reflection_type_from_name () #20 0x00000000005a575e in ?? () #21 0x00000000005a5d42 in ?? () #22 0x00000000005a632c in ?? () #23 0x00000000005a7026 in ?? () #24 0x00000000005a7f65 in mono_reflection_get_custom_attrs_by_type () #25 0x00000000004a2d9f in ?? () #26 0x000000004033edfd in ?? () #27 0x00007fff8a49be90 in ?? () #28 0x00000000005096ba in mono_class_is_assignable_from () Backtrace stopped: previous frame inner to this frame (corrupt stack?)