.
Thread 4 (LWP 1858):
#0  0x00f85416 in __kernel_vsyscall ()
No symbol table info available.
#1  0x007f440e in ?? ()
No symbol table info available.
#2  0xffffffff in ?? ()
No symbol table info available.
#3  0x00000001 in ?? ()
No symbol table info available.
#4  0x004c0ff4 in ?? ()
No symbol table info available.
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
.
Thread 3 (LWP 13522):
#0  0x00f85416 in __kernel_vsyscall ()
No symbol table info available.
#1  0x00120e04 in ?? ()
No symbol table info available.
#2  0x00000000 in ?? ()
No symbol table info available.
.
Thread 2 (LWP 1859):
#0  0x00f85416 in __kernel_vsyscall ()
No symbol table info available.
#1  0x007f440e in ?? ()
No symbol table info available.
#2  0xffffffff in ?? ()
No symbol table info available.
#3  0x00000003 in ?? ()
No symbol table info available.
#4  0x004c0ff4 in ?? ()
No symbol table info available.
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
.
Thread 1 (LWP 1763):
#0  0x00f85416 in __kernel_vsyscall ()
No symbol table info available.
#1  0x00000000 in ?? ()
No symbol table info available.