Stacktrace: at (wrapper managed-to-native) Python.Runtime.Runtime.PyInt_FromLong (intptr) <0x00004> at (wrapper managed-to-native) Python.Runtime.Runtime.PyInt_FromLong (intptr) <0xffffffff> at Python.Runtime.Runtime.PyInt_FromInt32 (int) <0x0002f> at Python.Runtime.Runtime.Initialize () <0x00224> at Python.Runtime.PythonEngine.Initialize () <0x00013> at Python.Runtime.PythonEngine.InitExt () <0x00014> at (wrapper runtime-invoke) System.Object.runtime_invoke_void (object,intptr,intptr,intptr) <0xffffffff> Native stacktrace: /usr/lib/libmono.so.0 [0xb7b0c64b] /usr/lib/libmono.so.0 [0xb7adf0d4] [0xffffe440] [0xb6ec26b9] [0xb6ec2678] [0xb721ec7d] [0xb721e90c] [0xb721e8ad] [0xb721e6de] /usr/lib/libmono.so.0 [0xb7adef6f] /usr/lib/libmono.so.0(mono_runtime_invoke+0x33) [0xb7b7306e] ./clr.so [0xb7cbf9e2] /usr/lib/libmono.so.0 [0xb7bac52b] /usr/lib/libmono.so.0 [0xb7c0086d] /usr/lib/libmono.so.0(GC_start_routine+0x8e) [0xb7c20d56] /lib/tls/i686/cmov/libpthread.so.0 [0xb7efc31b] /lib/tls/i686/cmov/libc.so.6(clone+0x5e) [0xb7e5657e] Debug info from gdb: Using host libthread_db library "/lib/tls/i686/cmov/libthread_db.so.1". [Thread debugging using libthread_db enabled] [New Thread -1210558784 (LWP 9954)] [New Thread -1223574640 (LWP 9957)] [New Thread -1222521968 (LWP 9956)] [New Thread -1222440048 (LWP 9955)] 0xffffe410 in __kernel_vsyscall () 4 Thread -1222440048 (LWP 9955) 0xffffe410 in __kernel_vsyscall () 3 Thread -1222521968 (LWP 9956) 0xffffe410 in __kernel_vsyscall () 2 Thread -1223574640 (LWP 9957) 0xffffe410 in __kernel_vsyscall () 1 Thread -1210558784 (LWP 9954) 0xffffe410 in __kernel_vsyscall () Thread 4 (Thread -1222440048 (LWP 9955)): #0 0xffffe410 in __kernel_vsyscall () #1 0xb7f03986 in ?? () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb7beb367 in ?? () from /usr/lib/libmono.so.0 #3 0xb72303bc in ?? () #4 0x00000000 in ?? () Thread 3 (Thread -1222521968 (LWP 9956)): #0 0xffffe410 in __kernel_vsyscall () #1 0xb7f005c6 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb7bf04aa in ?? () from /usr/lib/libmono.so.0 #3 0xb770a1dc in ?? () #4 0xb770a1c4 in ?? () #5 0xb721c188 in ?? () #6 0x00000000 in ?? () Thread 2 (Thread -1223574640 (LWP 9957)): #0 0xffffe410 in __kernel_vsyscall () #1 0xb7e4f3d1 in select () from /lib/tls/i686/cmov/libc.so.6 #2 0xb7a4f4a0 in IA__g_spawn_sync (working_directory=0x0, argv=0x834fa20, envp=0x0, flags=G_SPAWN_SEARCH_PATH, child_setup=0, user_data=0x0, standard_output=0xb711a978, standard_error=0xb711a974, exit_status=0xb711a970, error=0x0) at gspawn.c:288 #3 0xb7a4f86c in IA__g_spawn_command_line_sync ( command_line=0xb711a990 "gdb --ex 'attach 9954' --ex 'info threads' --ex 'thread apply all bt' --batch", standard_output=0xb711a978, standard_error=0xb711a974, exit_status=0xb711a970, error=0x0) at gspawn.c:656 #4 0xb7b0c732 in ?? () from /usr/lib/libmono.so.0 #5 0xb711a990 in ?? () #6 0xb711a978 in ?? () #7 0xb711a974 in ?? () #8 0xb711a970 in ?? () #9 0x00000000 in ?? () Thread 1 (Thread -1210558784 (LWP 9954)): #0 0xffffe410 in __kernel_vsyscall () #1 0xb7f0084c in pthread_cond_timedwait@@GLIBC_2.3.2 () from /lib/tls/i686/cmov/libpthread.so.0 #2 0xb7bf0527 in ?? () from /usr/lib/libmono.so.0 #3 0xb7ca5c40 in ?? () from /usr/lib/libmono.so.0 #4 0xb7ca5c20 in ?? () from /usr/lib/libmono.so.0 #5 0xbfaca388 in ?? () #6 0xbfaccaf0 in ?? () #7 0x00000000 in ?? () #0 0xffffe410 in __kernel_vsyscall () ================================================================= Got a SIGSEGV while executing native code. This usually indicates a fatal error in the mono runtime or one of the native libraries used by your application. =================================================================