.
Thread 5 (process 28287):
#0  0xb7f30430 in __kernel_vsyscall ()
#1  0xb71857a6 in nanosleep () from /lib/tls/i686/cmov/libc.so.6
#2  0xb71c314c in usleep () from /lib/tls/i686/cmov/libc.so.6
#3  0x0809ac2e in ?? ()
#4  0xb73744ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#5  0xb71ca49e in clone () from /lib/tls/i686/cmov/libc.so.6
.
Thread 4 (process 28284):
#0  0xb7f30430 in __kernel_vsyscall ()
#1  0xb7374be7 in pthread_join () from /lib/tls/i686/cmov/libpthread.so.0
#2  0x0805eb72 in ?? ()
#3  0x0807faba in ?? ()
#4  0x0807fc68 in ?? ()
#5  0x0812f9e7 in ?? ()
#6  0x0813cef2 in ?? ()
#7  0x08165a6c in ?? ()
#8  0xb70fc775 in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6
#9  0x08058a61 in ?? ()
.
Thread 3 (process 28290):
#0  0xb7f30430 in __kernel_vsyscall ()
#1  0xb71c1d59 in ioctl () from /lib/tls/i686/cmov/libc.so.6
#2  0xb7db8e50 in ?? () from /usr/lib/libasound.so.2
#3  0xb7da8b34 in snd_pcm_writei () from /usr/lib/libasound.so.2
#4  0x0806d133 in ?? ()
#5  0xb73744ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#6  0xb71ca49e in clone () from /lib/tls/i686/cmov/libc.so.6
.
Thread 2 (process 28288):
#0  0xb7f30430 in __kernel_vsyscall ()
#1  0xb73780e5 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb7e3378f in ?? () from /usr/lib/libjack.so.0
#3  0xb73744ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#4  0xb71ca49e in clone () from /lib/tls/i686/cmov/libc.so.6
.
Thread 1 (process 28289):
#0  0xb4d37650 in ?? ()
#1  0xb71ca49e in clone () from /lib/tls/i686/cmov/libc.so.6