.
Thread 4 (LWP 1798):
#0  0x00ace416 in __kernel_vsyscall ()
No symbol table info available.
#1  0x00d33e04 in ?? ()
No symbol table info available.
#2  0x00000000 in ?? ()
No symbol table info available.
.
Thread 3 (LWP 1745):
#0  0x00ace416 in __kernel_vsyscall ()
No symbol table info available.
#1  0x00f7340e in ?? ()
No symbol table info available.
#2  0xffffffff in ?? ()
No symbol table info available.
#3  0x00000003 in ?? ()
No symbol table info available.
#4  0x00c40ff4 in ?? ()
No symbol table info available.
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
.
Thread 2 (LWP 1744):
#0  0x00ace416 in __kernel_vsyscall ()
No symbol table info available.
#1  0x00f7340e in ?? ()
No symbol table info available.
#2  0x0001d4b9 in ?? ()
No symbol table info available.
#3  0x00000001 in ?? ()
No symbol table info available.
#4  0x00c40ff4 in ?? ()
No symbol table info available.
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
.
Thread 1 (LWP 1742):
#0  0x00ace416 in __kernel_vsyscall ()
No symbol table info available.
#1  0x0a649f2c in ?? ()
No symbol table info available.
#2  0x00000000 in ?? ()
No symbol table info available.