.
Thread 4 (process 4022):
#0  0xb80b9430 in __kernel_vsyscall ()
#1  0xb7d350e5 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb7da5ad4 in ?? () from /usr/lib/libisc.so.45
#3  0xb7d314ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#4  0xb7b6f49e in clone () from /lib/tls/i686/cmov/libc.so.6
.
Thread 3 (process 4021):
#0  0xb80b9430 in __kernel_vsyscall ()
#1  0xb7d350e5 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb7da30f2 in ?? () from /usr/lib/libisc.so.45
#3  0xb7d314ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#4  0xb7b6f49e in clone () from /lib/tls/i686/cmov/libc.so.6
.
Thread 2 (process 4023):
#0  0xb80b9430 in __kernel_vsyscall ()
#1  0xb7b6fc86 in epoll_wait () from /lib/tls/i686/cmov/libc.so.6
#2  0xb7db7df9 in ?? () from /usr/lib/libisc.so.45
#3  0xb7d314ff in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#4  0xb7b6f49e in clone () from /lib/tls/i686/cmov/libc.so.6
.
Thread 1 (process 3961):
#0  0xb7f8cac0 in dns_lib_initmsgcat () from /usr/lib/libdns.so.45
#1  0xb80209a7 in ?? () from /usr/lib/libdns.so.45
#2  0xb80e7c69 in ?? () from /usr/bin/host
#3  0xb80ded7c in main () from /usr/bin/host