. Thread 5 (LWP 4741): #0 0x00007f140aa40773 in ?? () No symbol table info available. Cannot access memory at address 0x7f13de261b50 . Thread 4 (LWP 4739): #0 0x00007f140aa40773 in ?? () No symbol table info available. Cannot access memory at address 0x7f13e14afb50 . Thread 3 (LWP 4743): #0 0x00007f140aa40773 in ?? () No symbol table info available. Cannot access memory at address 0x7f13dba2bc60 . Thread 2 (LWP 4737): #0 0x00007f140aa45913 in ?? () No symbol table info available. Cannot access memory at address 0x7f13ec992c90 . Thread 1 (LWP 4734): #0 0x00007f140a9a13a5 in ?? () No symbol table info available. Cannot access memory at address 0x7fff3da3de08