running detection on multiple core using tornado giving segmentation 11 fault

[chetandev]

` Segmentation fault: 11 Stack trace returned 10 entries: [bt] (0) 0 libmxnet.so 0x0000000116ef741f _ . ZN5mxnet15segfault_loggerEi + 63 [bt] (1) 1 libsystem_platform.dylib 0x00007fff6ce4af5a _sigtramp

• 26 [bt] (2) 2 libsystem_malloc.dylib 0x00007fff6cd73cc0 malloc_zone_calloc + 87 [bt] (3) 3 CarbonCore 0x00007fff46798117 _ZL22connectToCoreServicesDv + 258 [ bt] (4) 4 CarbonCore 0x00007fff46797fe4 _ZL9getStatusv + 24 [bt] (5) 5 CarbonCore 0x00007fff46797f62 scCreateSystemServiceVersion + 49 [bt] (6) 6 CarbonCore 0x00007fff46799392
  FileIDTreeGetCachedPort + 2 1 [bt] (7) 7 CarbonCore 0x00007fff467991f2 FSNodeStorageGetAndLockCurrentUniverse + 79 [bt] (8) 8 CarbonCore 0x00007fff46799080 FileIDTreeGetAndLockVolumeEntryForDeviceID + 38 [bt] (9) 9 CarbonCore 0x00007fff46798fdd _ZN7FSMountC2Ej17FSMountNumberTypePiPKj + 75 child 3 (pid 42579) exited with status 255, restarting `