.
Thread 4 (LWP 7950):
#0  0xf76dec89 in ?? ()
No symbol table info available.
#1  0x00000008 in ?? ()
No symbol table info available.
#2  0xf75d25a0 in ?? () from /tmp/apport_sandbox_QMhKOh/lib/i386-linux-gnu/libc.so.6
No symbol table info available.
#3  0x00000000 in ?? ()
No symbol table info available.
.
Thread 3 (LWP 7962):
#0  0xf76dec89 in ?? ()
No symbol table info available.
#1  0xf750559e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:113
Python Exception <class 'gdb.MemoryError'> Cannot access memory at address 0x5: 
No locals.
.
Thread 2 (LWP 7951):
#0  0xf76dec89 in ?? ()
No symbol table info available.
Cannot access memory at address 0x5