.
Thread 4 (Thread 0xb67ffb40 (LWP 959)):
#0  0xb772a424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb734f020 in __GI___poll (fds=0xb5e022b0, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = -516
        result = <optimized out>
#2  0xb74beb7b in g_poll (fds=0xb5e022b0, nfds=3, timeout=-1) at /build/buildd/glib2.0-2.31.20/./glib/gpoll.c:132
No locals.
#3  0xb74b111e in g_main_context_poll (n_fds=3, fds=0xb5e022b0, timeout=<optimized out>, context=0xb6807b38, priority=<optimized out>) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3412
        poll_func = 0xb74beb50 <g_poll>
#4  g_main_context_iterate (dispatch=1, block=-1219761328, context=0xb6807b38, self=<optimized out>) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3113
        timeout = -1
        some_ready = <optimized out>
        fds = 0xb5e022b0
        max_priority = 2147483647
        nfds = 3
        allocated_nfds = <optimized out>
#5  g_main_context_iterate (context=0xb6807b38, block=-1219761328, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3055
        some_ready = 3
#6  0xb74b15db in g_main_loop_run (loop=0xb6807b28) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3312
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#7  0xb768c79a in gdbus_shared_thread_func (user_data=0xb6808e10) at /build/buildd/glib2.0-2.31.20/./gio/gdbusprivate.c:276
        data = 0xb6808e10
#8  0xb74d4483 in g_thread_proxy (data=0xb68025b0) at /build/buildd/glib2.0-2.31.20/./glib/gthread.c:801
        thread = 0xb68025b0
#9  0xb741fd4c in start_thread (arg=0xb67ffb40) at pthread_create.c:308
        __res = <optimized out>
        pd = 0xb67ffb40
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1220341772, 0, 4001536, -1233128472, -2057146029, -109164207}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#10 0xb735d76e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.
Backtrace stopped: Not enough registers or memory available to unwind further
.
Thread 3 (Thread 0xb5dffb40 (LWP 976)):
#0  0xb772a424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb734f020 in __GI___poll (fds=0xb5400468, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = -516
        result = <optimized out>
#2  0xb74beb7b in g_poll (fds=0xb5400468, nfds=1, timeout=-1) at /build/buildd/glib2.0-2.31.20/./glib/gpoll.c:132
No locals.
#3  0xb74b111e in g_main_context_poll (n_fds=1, fds=0xb5400468, timeout=<optimized out>, context=0x99526f8, priority=<optimized out>) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3412
        poll_func = 0xb74beb50 <g_poll>
#4  g_main_context_iterate (dispatch=1, block=-1219761328, context=0x99526f8, self=<optimized out>) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3113
        timeout = -1
        some_ready = <optimized out>
        fds = 0xb5400468
        max_priority = 2147483647
        nfds = 1
        allocated_nfds = <optimized out>
#5  g_main_context_iterate (context=0x99526f8, block=-1219761328, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3055
        some_ready = 1
#6  0xb74b1271 in g_main_context_iteration (context=0x99526f8, may_block=1) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3179
        retval = <optimized out>
#7  0xb74b12d6 in glib_worker_main (data=0x0) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:4851
No locals.
#8  0xb74d4483 in g_thread_proxy (data=0x994a860) at /build/buildd/glib2.0-2.31.20/./glib/gthread.c:801
        thread = 0x994a860
#9  0xb741fd4c in start_thread (arg=0xb5dffb40) at pthread_create.c:308
        __res = <optimized out>
        pd = 0xb5dffb40
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1220341772, 0, 4001536, -1243614232, -983404204, -109164207}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#10 0xb735d76e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.
Backtrace stopped: Not enough registers or memory available to unwind further
.
Thread 2 (Thread 0xb71c9b40 (LWP 955)):
#0  0xb772a424 in __kernel_vsyscall ()
No symbol table info available.
#1  0xb7423d13 in pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/i386/i686/../i486/pthread_cond_timedwait.S:236
No locals.
#2  0xb74f0710 in g_cond_wait_until (cond=0x994b218, mutex=0x994b210, end_time=39263057) at /build/buildd/glib2.0-2.31.20/./glib/gthread-posix.c:855
        ts = {tv_sec = 39, tv_nsec = 263057000}
        status = <optimized out>
#3  0xb7484119 in g_async_queue_pop_intern_unlocked (queue=0x994b210, wait=1, end_time=39263057) at /build/buildd/glib2.0-2.31.20/./glib/gasyncqueue.c:424
        retval = <optimized out>
        __PRETTY_FUNCTION__ = "g_async_queue_pop_intern_unlocked"
#4  0xb748493e in g_async_queue_timeout_pop (queue=0x994b210, timeout=15000000) at /build/buildd/glib2.0-2.31.20/./glib/gasyncqueue.c:545
        retval = <optimized out>
#5  0xb74d4d4c in g_thread_pool_wait_for_new_pool () at /build/buildd/glib2.0-2.31.20/./glib/gthreadpool.c:169
        pool = <optimized out>
        local_max_idle_time = 15000
        local_wakeup_thread_serial = <optimized out>
        local_max_unused_threads = 2
        last_wakeup_thread_serial = 0
        have_relayed_thread_marker = 0
#6  g_thread_pool_thread_proxy (data=0x994b290) at /build/buildd/glib2.0-2.31.20/./glib/gthreadpool.c:366
        free_pool = <optimized out>
        task = 0x2
        pool = <optimized out>
#7  0xb74d4483 in g_thread_proxy (data=0x994a6c0) at /build/buildd/glib2.0-2.31.20/./glib/gthread.c:801
        thread = 0x994a6c0
#8  0xb741fd4c in start_thread (arg=0xb71c9b40) at pthread_create.c:308
        __res = <optimized out>
        pd = 0xb71c9b40
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {-1220341772, 0, 4001536, -1222863896, 1134719313, -109164207}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#9  0xb735d76e in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.
Backtrace stopped: Not enough registers or memory available to unwind further
.
Thread 1 (Thread 0xb71ca9c0 (LWP 941)):
#0  plymouth_run_command (command=<optimized out>, exit_status=0x0) at plymouth.c:34
        command_line = 0x9955de8 "plymouth quit --retain-splash"
        result = <optimized out>
        error = 0x0
#1  0x08060c52 in got_signal_cb (server=0x994cc48, process=<optimized out>, signum=<optimized out>) at xserver-local.c:305
No locals.
#2  got_signal_cb (process=0x9946ca0, signum=10, server=0x994cc48) at xserver-local.c:294
No locals.
#3  0xb75738f1 in g_cclosure_marshal_VOID__INTv (closure=0x994e548, return_value=0x0, instance=0x9946ca0, args=0xbfa7d86c "\n", marshal_data=0x0, n_params=1, param_types=0x9945330) at /build/buildd/glib2.0-2.31.20/./gobject/gmarshal.c:410
        cc = 0x994e548
        data1 = <optimized out>
        data2 = 0x994cc48
        callback = <optimized out>
        arg0 = 10
        args_copy = 0xbfa7d870 "\317\003"
#4  0xb75718c7 in _g_closure_invoke_va (closure=0x994e548, return_value=0x0, instance=0x9946ca0, args=0xbfa7d86c "\n", n_params=1, param_types=0x9945330) at /build/buildd/glib2.0-2.31.20/./gobject/gclosure.c:840
        marshal = 0xb75738b0 <g_cclosure_marshal_VOID__INTv>
        marshal_data = 0x0
        in_marshal = 0
        real_closure = 0x994e538
        __PRETTY_FUNCTION__ = "_g_closure_invoke_va"
#5  0xb758c23e in g_signal_emit_valist (instance=0x9946ca0, signal_id=4, detail=0, var_args=0xbfa7d86c "\n") at /build/buildd/glib2.0-2.31.20/./gobject/gsignal.c:3206
        return_accu = <optimized out>
        accu = {g_type = 0, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
        accumulator = 0x0
        emission = {next = 0x0, instance = 0x9946ca0, ihint = {signal_id = 4, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 160712376}
        signal_id = <optimized out>
        emission_return = {g_type = 0, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
        rtype = 4
        static_scope = 0
        closure = <optimized out>
        run_type = <optimized out>
        hlist = 0x0
        l = <optimized out>
        fastpath = 4
        instance_and_params = <optimized out>
        signal_return_type = <optimized out>
        param_values = <optimized out>
        node = 0x9946468
        i = <optimized out>
        n_params = <optimized out>
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#6  0xb758c8d3 in g_signal_emit (instance=0x9946ca0, signal_id=4, detail=0) at /build/buildd/glib2.0-2.31.20/./gobject/gsignal.c:3352
        var_args = 0xbfa7d86c "\n"
#7  0x08056870 in handle_signal (source=0x9942c58, condition=G_IO_IN, data=0x0) at process.c:326
        signo = 10
        pid = 975
        process = <optimized out>
#8  0xb74f0fae in g_io_unix_dispatch (source=0x9942ca0, callback=0x80567c0 <handle_signal>, user_data=0x0) at /build/buildd/glib2.0-2.31.20/./glib/giounix.c:166
        func = 0x80567c0 <handle_signal>
        watch = 0x9942ca0
        buffer_condition = <optimized out>
#9  0xb74b0d8a in g_main_dispatch (context=0x99445c0) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:2510
        dispatch = 0xb74f0f60 <g_io_unix_dispatch>
        was_in_call = 0
        user_data = 0x0
        callback = 0x80567c0 <handle_signal>
        cb_funcs = 0xb75624f8
        cb_data = 0x9942d00
        current_source_link = {data = 0x9942ca0, next = 0x0}
        need_destroy = <optimized out>
        source = 0x9942ca0
        current = 0x9943828
        i = <optimized out>
#10 g_main_context_dispatch (context=0x99445c0) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3047
No locals.
#11 0xb74b1195 in g_main_context_iterate (dispatch=1, block=-1219761328, context=0x99445c0, self=<optimized out>) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3118
        timeout = -1
        some_ready = 1
        fds = 0x994f970
        max_priority = 2147483647
        nfds = <optimized out>
        allocated_nfds = <optimized out>
#12 g_main_context_iterate (context=0x99445c0, block=-1219761328, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3055
        some_ready = 1
#13 0xb74b15db in g_main_loop_run (loop=0x99446a8) at /build/buildd/glib2.0-2.31.20/./glib/gmain.c:3312
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#14 0x0804cf7d in main (argc=1, argv=0xbfa7dc24) at lightdm.c:1205
        pid_file = <optimized out>
        option_context = <optimized out>
        result = <optimized out>
        groups = 0x994c720
        i = <optimized out>
        dir = <optimized out>
        n_seats = <optimized out>
        explicit_config = <optimized out>
        test_mode = 0
        pid_path = 0x8064fa6 "/var/run/lightdm.pid"
        xsessions_dir = 0x0
        xgreeters_dir = 0x0
        config_dir = <optimized out>
        log_dir = 0x0
        run_dir = 0x0
        cache_dir = 0x0
        default_log_dir = 0x993e008 "run-directory"
        default_run_dir = 0x993e020 "cache-directory"
        default_cache_dir = 0x993e038 "xsessions-directory"
        show_version = 0
        options = {{long_name = 0x8066a31 "config", short_name = 99 'c', flags = 0, arg = G_OPTION_ARG_STRING, arg_data = 0x8070500, description = 0x8064ff0 "Use configuration file", arg_description = 0x8063de1 "FILE"}, {long_name = 0x8065007 "debug", short_name = 100 'd', flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0x8070504, description = 0x806500d "Print debugging messages", arg_description = 0x0}, {long_name = 0x8065026 "test-mode", short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0xbfa7db48, description = 0x8065b54 "Run as unprivileged user, skipping things that require root access", arg_description = 0x0}, {long_name = 0x8065030 "pid-file", short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_STRING, arg_data = 0xbfa7db4c, description = 0x8065039 "File to write PID into", arg_description = 0x8063de1 "FILE"}, {long_name = 0x8065050 "xsessions-dir", short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_STRING, arg_data = 0xbfa7db50, description = 0x8065b98 "Directory to load X sessions from", arg_description = 0x806505e "DIRECTORY"}, {long_name = 0x8065068 "xgreeters-dir", short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_STRING, arg_data = 0xbfa7db54, description = 0x8065bbc "Directory to load X greeters from", arg_description = 0x806505e "DIRECTORY"}, {long_name = 0x8065076 "log-dir", short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_STRING, arg_data = 0xbfa7db58, description = 0x806507e "Directory to write logs to", arg_description = 0x806505e "DIRECTORY"}, {long_name = 0x8065099 "run-dir", short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_STRING, arg_data = 0xbfa7db5c, description = 0x8065be0 "Directory to store running state", arg_description = 0x806505e "DIRECTORY"}, {long_name = 0x80650a1 "cache-dir", short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_STRING, arg_data = 0xbfa7db60, description = 0x8065c04 "Directory to cache information", arg_description = 0x806505e "DIRECTORY"}, {long_name = 0x80650b8 "version", short_name = 118 'v', flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0xbfa7db64, description = 0x80650ab "Show release version", arg_description = 0x0}, {long_name = 0x0, short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0x0, description = 0x0, arg_description = 0x0}}
        error = 0x0