.
Thread 4 (LWP 6156):
#0  0xb7771424 in ?? ()
No symbol table info available.
Cannot access memory at address 0xb4bff1b0
.
Thread 3 (LWP 6155):
#0  0xb7771424 in ?? ()
No symbol table info available.
Cannot access memory at address 0xb55d91a0
.
Thread 2 (LWP 6153):
#0  0xb7771424 in ?? ()
No symbol table info available.
Cannot access memory at address 0xb6fd01b0
.
Thread 1 (LWP 6152):
#0  0xb76decba in ?? ()
No symbol table info available.
Cannot access memory at address 0xbf90916c