.
Thread 5 (process 15803):
#0  0xb7fdf402 in __kernel_vsyscall ()
#1  0xb7dbeaa5 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb7e2895d in cwidget::threads::thread::bootstrap<cwidget::threads::bootstrap_proxy<cwidget::toplevel::input_thread> > () from /usr/lib/libcwidget.so.0
#3  0xb7dba4fb in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#4  0xb7c188ee in clone () from /lib/tls/i686/cmov/libc.so.6
.
Thread 4 (process 15804):
#0  0xb7fdf402 in __kernel_vsyscall ()
#1  0xb7dc2b1a in do_sigwait () from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb7dc2bbf in sigwait () from /lib/tls/i686/cmov/libpthread.so.0
#3  0xb7e28824 in cwidget::threads::thread::bootstrap<cwidget::toplevel::signal_thread> () from /usr/lib/libcwidget.so.0
#4  0xb7dba4fb in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#5  0xb7c188ee in clone () from /lib/tls/i686/cmov/libc.so.6
.
Thread 3 (process 15805):
#0  0xb7fdf402 in __kernel_vsyscall ()
#1  0xb7dbeaa5 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/tls/i686/cmov/libpthread.so.0
#2  0xb7e28b8b in cwidget::threads::thread::bootstrap<cwidget::threads::bootstrap_proxy<cwidget::toplevel::timeout_thread> > () from /usr/lib/libcwidget.so.0
#3  0xb7dba4fb in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#4  0xb7c188ee in clone () from /lib/tls/i686/cmov/libc.so.6
.
Thread 2 (process 15843):
#0  0xb7fdf402 in __kernel_vsyscall ()
#1  0xb7dbeaa5 in pthread_cond_wait@@GLIBC_2.3.2 ()
   from /lib/tls/i686/cmov/libpthread.so.0
#2  0x081d6779 in ?? ()
#3  0x081f7a7c in ?? ()
#4  0xb7dba4fb in start_thread () from /lib/tls/i686/cmov/libpthread.so.0
#5  0xb7c188ee in clone () from /lib/tls/i686/cmov/libc.so.6
.
Thread 1 (process 15802):
#0  0xb7f4a816 in pkgRecords::Lookup ()
   from /usr/lib/libapt-pkg-libc6.7-6.so.4.6
#1  0x080fb4c7 in ?? ()
#2  0x080fc2b4 in ?? ()
#3  0x080fc615 in ?? ()
#4  0x080e3344 in ?? ()
#5  0x080caa16 in ?? ()
#6  0xb7e928c9 in cwidget::widgets::tree::handle_key ()
   from /usr/lib/libcwidget.so.0
#7  0x080b7ec6 in ?? ()
#8  0x080e6591 in ?? ()
#9  0xb7e93f09 in cwidget::widgets::widget::dispatch_key ()
   from /usr/lib/libcwidget.so.0
#10 0xb7e84db5 in cwidget::widgets::table::handle_key ()
   from /usr/lib/libcwidget.so.0
#11 0xb7e93f09 in cwidget::widgets::widget::dispatch_key ()
   from /usr/lib/libcwidget.so.0
#12 0xb7e6f98c in cwidget::widgets::passthrough::handle_key ()
   from /usr/lib/libcwidget.so.0
#13 0xb7e93f09 in cwidget::widgets::widget::dispatch_key ()
   from /usr/lib/libcwidget.so.0
#14 0xb7e84db5 in cwidget::widgets::table::handle_key ()
   from /usr/lib/libcwidget.so.0
#15 0xb7e93f09 in cwidget::widgets::widget::dispatch_key ()
   from /usr/lib/libcwidget.so.0
#16 0xb7e6f98c in cwidget::widgets::passthrough::handle_key ()
   from /usr/lib/libcwidget.so.0
#17 0xb7e93f09 in cwidget::widgets::widget::dispatch_key ()
   from /usr/lib/libcwidget.so.0
#18 0xb7e5b381 in cwidget::widgets::menubar::handle_key ()
   from /usr/lib/libcwidget.so.0
#19 0xb7e93f09 in cwidget::widgets::widget::dispatch_key ()
   from /usr/lib/libcwidget.so.0
#20 0xb7e28d3d in cwidget::toplevel::input_thread::get_input_event::dispatch
    () from /usr/lib/libcwidget.so.0
#21 0xb7e21575 in cwidget::toplevel::mainloop () from /usr/lib/libcwidget.so.0
#22 0x0811ec28 in ?? ()
#23 0x080618a8 in ?? ()
#24 0xb7b58450 in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6
#25 0x0805fc61 in ?? ()