Comment 3 for bug 707313

I think this may be related to pygtk... note the backtrace (repeated many times, always stuck at this point:

0x00007fe7811dc4b3 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>)
    at ../sysdeps/unix/sysv/linux/poll.c:87
87 in ../sysdeps/unix/sysv/linux/poll.c
(gdb) bt
#0 0x00007fe7811dc4b3 in __poll (fds=<value optimized out>, nfds=<value optimized out>, timeout=<value optimized out>)
    at ../sysdeps/unix/sysv/linux/poll.c:87
#1 0x00007fe77e6f7260 in g_main_context_poll (context=0x2742530, block=<value optimized out>, dispatch=1, self=<value optimized out>)
    at /build/buildd/glib2.0-2.27.91/glib/gmain.c:3404
#2 g_main_context_iterate (context=0x2742530, block=<value optimized out>, dispatch=1, self=<value optimized out>)
    at /build/buildd/glib2.0-2.27.91/glib/gmain.c:3086
#3 0x00007fe77e6f7b3a in g_main_loop_run (loop=0x30f1490) at /build/buildd/glib2.0-2.27.91/glib/gmain.c:3299
#4 0x00007fe77ce0adf7 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#5 0x00007fe77d4e8f04 in ?? () from /usr/lib/pymodules/python2.7/gtk-2.0/gtk/_gtk.so
#6 0x00000000004abfc0 in call_function (f=<value optimized out>, throwflag=<value optimized out>) at ../Python/ceval.c:3996
#7 PyEval_EvalFrameEx (f=<value optimized out>, throwflag=<value optimized out>) at ../Python/ceval.c:2665
#8 0x00000000004acffd in fast_function (f=<value optimized out>, throwflag=<value optimized out>) at ../Python/ceval.c:4098
#9 call_function (f=<value optimized out>, throwflag=<value optimized out>) at ../Python/ceval.c:4033
#10 PyEval_EvalFrameEx (f=<value optimized out>, throwflag=<value optimized out>) at ../Python/ceval.c:2665
#11 0x00000000004ae006 in PyEval_EvalCodeEx (co=0x2136630, globals=<value optimized out>, locals=<value optimized out>, args=<value optimized out>,
    argcount=0, kws=0x0, kwcount=0, defs=0x0, defcount=0, closure=0x0) at ../Python/ceval.c:3252
#12 0x00000000004ae112 in PyEval_EvalCode (co=<value optimized out>, globals=<value optimized out>, locals=<value optimized out>)
    at ../Python/ceval.c:666
#13 0x00000000004d35a4 in run_mod (fp=0x217da70, filename=<value optimized out>, closeit=1, flags=0x7fff58544e80) at ../Python/pythonrun.c:1346
#14 PyRun_FileExFlags (fp=0x217da70, filename=<value optimized out>, closeit=1, flags=0x7fff58544e80) at ../Python/pythonrun.c:1332
#15 PyRun_SimpleFileExFlags (fp=0x217da70, filename=<value optimized out>, closeit=1, flags=0x7fff58544e80) at ../Python/pythonrun.c:936
#16 0x0000000000418ce9 in Py_Main (argc=<value optimized out>, argv=<value optimized out>) at ../Modules/main.c:599
#17 0x00007fe781127d1e in __libc_start_main (main=0x417ff0 <main>, argc=2, ubp_av=0x7fff58544fa8, init=<value optimized out>,
    fini=<value optimized out>, rtld_fini=<value optimized out>, stack_end=0x7fff58544f98) at libc-start.c:226
#18 0x0000000000417f29 in _start ()

python-gtk2:
  Installed: 2.22.0-0ubuntu1
  Candidate: 2.22.0-0ubuntu1
  Version table:
 *** 2.22.0-0ubuntu1 0
        500 http://us.archive.ubuntu.com/ubuntu/ natty/main amd64 Packages
        100 /var/lib/dpkg/status