.
Thread 4 (process 7761):
#0  0xb80df430 in __kernel_vsyscall ()
#1  0xb7eebcf9 in __lll_lock_wait () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb7ee7104 in _L_lock_89 () from /lib/tls/i686/cmov/libpthread.so.0
#3  0xb7ee6a32 in pthread_mutex_lock ()
   from /lib/tls/i686/cmov/libpthread.so.0
#4  0x0804f830 in ?? ()
#5  0xb7ee54ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#6  0xb7cf464e in clone () from /lib/tls/i686/cmov/libc.so.6
.
Thread 3 (process 7752):
#0  0xb80df430 in __kernel_vsyscall ()
#1  0xb7ee9065 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/tls/i686/cmov/libpthread.so.0
#2  0x0804f9e4 in ?? ()
#3  0x0804eae2 in ?? ()
#4  0x0804f595 in ?? ()
#5  0x080497df in ?? ()
#6  0xb7c29685 in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6
#7  0x080494e1 in ?? ()
.
Thread 2 (process 7754):
#0  0xb80df430 in __kernel_vsyscall ()
#1  0xb7ee9065 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/tls/i686/cmov/libpthread.so.0
#2  0x0804f9e4 in ?? ()
#3  0x0804f260 in ?? ()
#4  0xb7ee54ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#5  0xb7cf464e in clone () from /lib/tls/i686/cmov/libc.so.6
.
Thread 1 (process 7760):
#0  0xb7c8bb11 in memcpy () from /lib/tls/i686/cmov/libc.so.6
#1  0x0804beba in ?? ()
#2  0x0804f840 in ?? ()
#3  0xb7ee54ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#4  0xb7cf464e in clone () from /lib/tls/i686/cmov/libc.so.6