.
Thread 6 (LWP 1818):
#0  0x00007f25359793cd in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f25363d9394 in g_main_context_poll (priority=2147483647, n_fds=5, fds=0x1df3a60, timeout=211, context=0x1e17840) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3999
        poll_func = 0x7f25363e8030 <g_poll>
#2  g_main_context_iterate (context=context@entry=0x1e17840, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3700
        max_priority = 2147483647
        timeout = 211
        some_ready = <optimized out>
        nfds = 5
        allocated_nfds = 5
        fds = 0x1df3a60
#3  0x00007f25363d949c in g_main_context_iteration (context=0x1e17840, context@entry=0x0, may_block=may_block@entry=1) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3766
        retval = <optimized out>
#4  0x00007f2536981a1c in g_application_run (application=0x1def120, argc=argc@entry=2, argv=argv@entry=0x7fffd7177728) at /build/buildd/glib2.0-2.37.3/./gio/gapplication.c:1635
        arguments = 0x1ddb3c0
        status = 0
        i = <optimized out>
        __PRETTY_FUNCTION__ = "g_application_run"
#5  0x000000000042b0b1 in main (argc=2, argv=0x7fffd7177728) at nautilus-main.c:104
        retval = <optimized out>
        application = 0x1def120
.
Thread 5 (LWP 2007):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
No locals.
#1  0x00007f2536419115 in g_cond_wait_until (cond=cond@entry=0x1f73358, mutex=mutex@entry=0x1f73350, end_time=end_time@entry=106642450) at /build/buildd/glib2.0-2.37.3/./glib/gthread-posix.c:868
        ts = {tv_sec = 106, tv_nsec = 642450000}
        status = <optimized out>
#2  0x00007f25363afad1 in g_async_queue_pop_intern_unlocked (queue=queue@entry=0x1f73350, wait=wait@entry=1, end_time=end_time@entry=106642450) at /build/buildd/glib2.0-2.37.3/./glib/gasyncqueue.c:424
        retval = <optimized out>
        __PRETTY_FUNCTION__ = "g_async_queue_pop_intern_unlocked"
#3  0x00007f25363b005b in g_async_queue_timeout_pop (queue=0x1f73350, timeout=timeout@entry=15000000) at /build/buildd/glib2.0-2.37.3/./glib/gasyncqueue.c:545
        end_time = 106642450
        retval = <optimized out>
#4  0x00007f25363fe6b6 in g_thread_pool_wait_for_new_pool () at /build/buildd/glib2.0-2.37.3/./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 = <optimized out>
#5  g_thread_pool_thread_proxy (data=<optimized out>) at /build/buildd/glib2.0-2.37.3/./glib/gthreadpool.c:366
        free_pool = <optimized out>
        task = 0x2
        pool = <optimized out>
#6  0x00007f25363fdc25 in g_thread_proxy (data=0x231f280) at /build/buildd/glib2.0-2.37.3/./glib/gthread.c:798
        thread = 0x231f280
#7  0x00007f2535c5bf8e in start_thread (arg=0x7f25110c5700) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7f25110c5700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139797176538880, 4702763593213157286, 0, 39044240, 140736802026224, 21, -4681016227626475610, -4680936451323322458}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#8  0x00007f2535985e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.
.
Thread 4 (LWP 1871):
#0  0x00007f25359793cd in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f25363d9394 in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x7f250c0008c0, timeout=2999, context=0x7f251c0083a0) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3999
        poll_func = 0x7f25363e8030 <g_poll>
#2  g_main_context_iterate (context=context@entry=0x7f251c0083a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3700
        max_priority = 2147483647
        timeout = 2999
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = 1
        fds = 0x7f250c0008c0
#3  0x00007f25363d949c in g_main_context_iteration (context=0x7f251c0083a0, may_block=may_block@entry=1) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3766
        retval = <optimized out>
#4  0x00007f25363d94e9 in glib_worker_main (data=<optimized out>) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:5457
No locals.
#5  0x00007f25363fdc25 in g_thread_proxy (data=0x231f540) at /build/buildd/glib2.0-2.37.3/./glib/gthread.c:798
        thread = 0x231f540
#6  0x00007f2535c5bf8e in start_thread (arg=0x7f25134cb700) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7f25134cb700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139797214312192, 4702763593213157286, 0, 139797860700256, 139797537720144, 4096, -4681012378262036570, -4680936451323322458}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#7  0x00007f2535985e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.
.
Thread 3 (LWP 1863):
#0  0x00007f25359793cd in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f25363d9394 in g_main_context_poll (priority=2147483647, n_fds=1, fds=0x7f25200010c0, timeout=-1, context=0x1e64e20) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3999
        poll_func = 0x7f25363e8030 <g_poll>
#2  g_main_context_iterate (context=context@entry=0x1e64e20, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3700
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = 1
        fds = 0x7f25200010c0
#3  0x00007f25363d949c in g_main_context_iteration (context=context@entry=0x1e64e20, may_block=may_block@entry=1) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3766
        retval = <optimized out>
#4  0x00007f252ca3aa9d in dconf_gdbus_worker_thread (user_data=0x1e64e20) at dconf-gdbus-thread.c:81
        context = 0x1e64e20
#5  0x00007f25363fdc25 in g_thread_proxy (data=0x1e0ad40) at /build/buildd/glib2.0-2.37.3/./glib/gthread.c:798
        thread = 0x1e0ad40
#6  0x00007f2535c5bf8e in start_thread (arg=0x7f252ca33700) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7f252ca33700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139797639411456, 4702763593213157286, 0, 139797860700256, 140736802022512, 4096, -4680986226206171226, -4680936451323322458}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#7  0x00007f2535985e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.
.
Thread 2 (LWP 1862):
#0  0x00007f25359793cd in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f25363d9394 in g_main_context_poll (priority=2147483647, n_fds=11, fds=0x7f2528009430, timeout=-1, context=0x1e27dc0) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3999
        poll_func = 0x7f25363e8030 <g_poll>
#2  g_main_context_iterate (context=0x1e27dc0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3700
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 11
        allocated_nfds = 11
        fds = 0x7f2528009430
#3  0x00007f25363d97fa in g_main_loop_run (loop=0x1e27d50) at /build/buildd/glib2.0-2.37.3/./glib/gmain.c:3899
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#4  0x00007f25369b4646 in gdbus_shared_thread_func (user_data=0x1e27d90) at /build/buildd/glib2.0-2.37.3/./gio/gdbusprivate.c:278
        data = 0x1e27d90
#5  0x00007f25363fdc25 in g_thread_proxy (data=0x1e0ab20) at /build/buildd/glib2.0-2.37.3/./glib/gthread.c:798
        thread = 0x1e0ab20
#6  0x00007f2535c5bf8e in start_thread (arg=0x7f252d440700) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7f252d440700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139797649950464, 4702763593213157286, 0, 139797860700256, 140736802025424, 4096, -4680990342395453530, -4680936451323322458}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#7  0x00007f2535985e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.
.
Thread 1 (LWP 2010):
#0  sem_post () at ../nptl/sysdeps/unix/sysv/linux/x86_64/sem_post.S:33
No locals.
#1  0x00007f25154c37f9 in PyThread_release_lock (lock=<optimized out>) at ../Python/thread_pthread.h:349
        thelock = <optimized out>
        status = <optimized out>
#2  0x00007f25363e00b9 in g_logv (log_domain=0x7f25366caeee "GLib-GObject", log_level=G_LOG_LEVEL_CRITICAL, format=<optimized out>, args=args@entry=0x7f2511a049d8) at /build/buildd/glib2.0-2.37.3/./glib/gmessages.c:960
        domain = 0x0
        data = 0x2089760
        depth = 1
        log_func = 0x7f25148c1310 <_log_func>
        domain_fatal_mask = <optimized out>
        masquerade_fatal = 0
        test_level = G_LOG_LEVEL_CRITICAL
        was_fatal = <optimized out>
        was_recursion = <optimized out>
        msg = 0x7f24f8004ee0 "g_object_unref: assertion 'G_IS_OBJECT (object)' failed"
        msg_alloc = 0x7f24f8004ee0 "g_object_unref: assertion 'G_IS_OBJECT (object)' failed"
        i = 3
#3  0x00007f25363e02c2 in g_log (log_domain=<optimized out>, log_level=<optimized out>, format=<optimized out>) at /build/buildd/glib2.0-2.37.3/./glib/gmessages.c:1025
        args = {{gp_offset = 40, fp_offset = 48, overflow_arg_area = 0x7f2511a04ab0, reg_save_area = 0x7f2511a049f0}}
#4  0x00007f25392c576a in _gdk_pixbuf_new_from_uri_at_scale (uri=uri@entry=0x2874d50 "file:///media/doug/0a803857-8b6f-4332-82b4-85ebf8283805/home/doug/Videos/Youtube/Amy%20Winehouse%20-%20Back%20To%20Black.mp4", width=width@entry=256, height=height@entry=256, preserve_aspect_ratio=1) at gnome-desktop-thumbnail.c:469
        result = <optimized out>
        buffer = '\000' <repeats 1920 times>, "\020Y\240\021%\177\000\000\000Y\240\021%\177\000\000\370\f.9%\177\000\000\372\f.9%\177\000\000\210Z\240\021%\177\000\000BY\215\065%\177\000\000\000\000\000\000\000\000\000\000\344\241\215\065%\177\000\000\000\000\000\000\000\000\000\000\003\000\000\000\000\000\000\000\003", '\000' <repeats 79 times>"\375, \377\377\377\377\377\377\377", '\000' <repeats 17 times>, "\001\000\000\000\000\000\000\000\000\000\000\n", '\000' <repeats 19 times>"\305, X\240\021%\177", '\000' <repeats 18 times>"\377, \377\377\377\377\377\377\377", '\000' <repeats 24 times>, "\001\000\000\000\000\000 \000d\000\000\000\000\000\000\000\310X\240\021%\177", '\000' <repeats 34 times>"\370, \f.9%\177\000\000\372\f.9%\177", '\000' <repeats 186 times>, "\020"...
        bytes_read = <optimized out>
        loader = 0x0
        pixbuf = 0x0
        animation = <optimized out>
        iter = <optimized out>
        has_frame = <optimized out>
        info = {width = 0, height = 0, input_width = 0, input_height = 0, preserve_aspect_ratio = 0}
        file = 0x7f24d40210a0
        file_info = <optimized out>
        input_stream = 0x2904870
        error = 0x0
#5  0x00007f25392c5c12 in gnome_desktop_thumbnail_factory_generate_thumbnail (factory=<optimized out>, uri=0x2874d50 "file:///media/doug/0a803857-8b6f-4332-82b4-85ebf8283805/home/doug/Videos/Youtube/Amy%20Winehouse%20-%20Back%20To%20Black.mp4", mime_type=<optimized out>) at gnome-desktop-thumbnail.c:1223
        pixbuf = <optimized out>
        scaled = <optimized out>
        tmp_pixbuf = <optimized out>
        script = <optimized out>
        width = <optimized out>
        height = <optimized out>
        size = 256
        original_width = 0
        original_height = 0
        dimension = "\000\000\000\000\000\000\000\000%\367\262\071"
        scale = <optimized out>
        exit_status = 256
        tmpname = 0x7f24f80027a0 ""
        __PRETTY_FUNCTION__ = "gnome_desktop_thumbnail_factory_generate_thumbnail"
#6  0x00000000004d3be1 in thumbnail_thread_start (data=<optimized out>) at nautilus-thumbnails.c:546
        info = 0x25555e0
        pixbuf = <optimized out>
        current_orig_mtime = 1372535841
        current_time = 1374342806
        node = <optimized out>
        __PRETTY_FUNCTION__ = "thumbnail_thread_start"
#7  0x00007f2535c5bf8e in start_thread (arg=0x7f2511a06700) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7f2511a06700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139797186242304, 4702763593213157286, 0, 139797860700256, 140736802026592, 4096, -4681014818340331610, -4680936451323322458}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = 0
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#8  0x00007f2535985e1d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.