.
Hilo 2 (Thread 0x7f8df168e700 (LWP 6882)):
#0  0x00007f8df3f9f262 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007f8df4e86a7d in ?? () from /usr/lib/x86_64-linux-gnu/libavahi-common.so.3
No symbol table info available.
#2  0x00007f8df4e8748a in avahi_simple_poll_prepare () from /usr/lib/x86_64-linux-gnu/libavahi-common.so.3
No symbol table info available.
#3  0x00007f8df4e87769 in avahi_simple_poll_iterate () from /usr/lib/x86_64-linux-gnu/libavahi-common.so.3
No symbol table info available.
#4  0x00007f8df4e879ad in avahi_simple_poll_loop () from /usr/lib/x86_64-linux-gnu/libavahi-common.so.3
No symbol table info available.
#5  0x00007f8df4e87a2c in ?? () from /usr/lib/x86_64-linux-gnu/libavahi-common.so.3
No symbol table info available.
#6  0x00007f8df42eef8e in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#7  0x00007f8df4018e1d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
.
Hilo 1 (Thread 0x7f8df5d81740 (LWP 839)):
#0  0x00007f8df50b69a8 in ?? () from /lib/x86_64-linux-gnu/libdbus-1.so.3
No symbol table info available.
#1  0x00007f8df50b0343 in ?? () from /lib/x86_64-linux-gnu/libdbus-1.so.3
No symbol table info available.
#2  0x00007f8df50b0586 in ?? () from /lib/x86_64-linux-gnu/libdbus-1.so.3
No symbol table info available.
#3  0x00007f8df50af30d in ?? () from /lib/x86_64-linux-gnu/libdbus-1.so.3
No symbol table info available.
#4  0x00007f8df5099fc4 in ?? () from /lib/x86_64-linux-gnu/libdbus-1.so.3
No symbol table info available.
#5  0x00007f8df509a0e2 in ?? () from /lib/x86_64-linux-gnu/libdbus-1.so.3
No symbol table info available.
#6  0x00007f8df509ae77 in ?? () from /lib/x86_64-linux-gnu/libdbus-1.so.3
No symbol table info available.
#7  0x00007f8df5e12903 in ?? ()
No symbol table info available.
#8  0x00007f8df5de2625 in ?? ()
No symbol table info available.
#9  0x00007f8df5dfc753 in ?? ()
No symbol table info available.
#10 0x00007f8df5dec266 in cupsdReadClient ()
No symbol table info available.
#11 0x00007f8df5de451a in main ()
No symbol table info available.