.
Thread 1 (Thread 0x7f7a0d51b720 (LWP 342)):
#0  __strlen_sse42 () at ../sysdeps/x86_64/multiarch/strlen-sse4.S:51
No locals.
#1  0x00007f7a0ccd92cb in ?? () from /tmp/tmp0yDejf/lib/x86_64-linux-gnu/libdbus-1.so.3
No symbol table info available.
#2  0x00007f7a0ccc6f89 in ?? () from /tmp/tmp0yDejf/lib/x86_64-linux-gnu/libdbus-1.so.3
No symbol table info available.
#3  0x00007f7a0cccad8e in dbus_message_iter_append_basic () from /tmp/tmp0yDejf/lib/x86_64-linux-gnu/libdbus-1.so.3
No symbol table info available.
#4  0x00007f7a0d53ffb0 in upstart_emit_event (proxy=0x7f7a0e58b2f0, name=0x7f7a0e58efb0 "power_supply-device-added", env=<optimized out>, wait=0, handler=0, error_handler=0x7f7a0d53cd7c <emit_event_error>, data=0x0, timeout=2147483647) at com.ubuntu.Upstart.c:1018
        env_element = 0x7f7a0e58f600 "KERNEL=BAT0"
        method_call = 0x7f7a0e5965a0
        iter = {dummy1 = 0x7f7a0e5965a0, dummy2 = 0x1e00000, dummy3 = 212467820, dummy4 = 32634, dummy5 = 240704128, dummy6 = 32634, dummy7 = 3, dummy8 = 32634, dummy9 = 240739824, dummy10 = 32634, dummy11 = 30, pad1 = 32634, pad2 = -2031864608, pad3 = 0x7f7a0e595ef0}
        pending_call = <optimized out>
        pending_data = <optimized out>
        env_iter = {dummy1 = 0x7f7a0e5965a0, dummy2 = 0x2e00000, dummy3 = 212558188, dummy4 = 32634, dummy5 = 240704128, dummy6 = 32634, dummy7 = 2, dummy8 = 32634, dummy9 = 240739824, dummy10 = 32634, dummy11 = 36, pad1 = 36, pad2 = 32, pad3 = 0x7f7a0e595ef0}
        __FUNCTION__ = "upstart_emit_event"
#5  0x00007f7a0d53d195 in udev_monitor_watcher (udev_monitor=<optimized out>, watch=<optimized out>, events=<optimized out>) at upstart-udev-bridge.c:276
        __ret = <optimized out>
        udev_device = 0x7f7a0e596870
        subsystem = <optimized out>
        action = <optimized out>
        kernel = 0x7f7a0e592cb0 "BAT0"
        devpath = 0x7f7a0e58f734 "/devices/LNXSYSTM:00/device:00/PNP0C0A:00/power_supply/BAT0"
        devname = 0x0
        name = 0x7f7a0e58efb0 "power_supply-device-added"
        env = 0x7f7a0e58e560
        env_len = 19
        pending_call = <optimized out>
        __FUNCTION__ = "udev_monitor_watcher"
#6  0x00007f7a0d10843b in nih_io_handle_fds () from /tmp/tmp0yDejf/lib/libnih.so.1
No symbol table info available.
#7  0x00007f7a0d10c365 in nih_main_loop () from /tmp/tmp0yDejf/lib/libnih.so.1
No symbol table info available.
#8  0x00007f7a0c72630d in __libc_start_main (main=0x7f7a0d53c970 <main>, argc=2, ubp_av=0x7fff86e438a8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fff86e43898) at libc-start.c:226
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 3980056847133240021, 140162186333320, 140735456491680, 0, 0, -3980322986663286059, -3906845765641901355}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x7fff86e438c0, 0x1}, data = {prev = 0x0, cleanup = 0x0, canceltype = -2031863616}}}
        not_first_call = <optimized out>
#9  0x00007f7a0d53ccb1 in _start ()
        daemonise = 1
        upstart = 0x7f7a0e58b2f0
        options = {{option = 0, long_option = 0x7f7a0d542d22 "daemon", help = 0x7f7a0d542d29 "Detach and run in the background", group = 0x0, arg_name = 0x0, value = 0x7f7a0d7450a8, setter = 0}, {option = 0, long_option = 0x0, help = 0x0, group = 0x0, arg_name = 0x0, value = 0x0, setter = 0}}