.
Thread 4 (Thread 0xa7a9bb70 (LWP 3399)):
#0  0x004b6416 in __kernel_vsyscall ()
No symbol table info available.
#1  0x00765e04 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  0x007e4021 in g_cond_timed_wait_posix_impl (cond=0x84e3498, entered_mutex=0x8719330, abs_time=0xa7a9b168) at /build/buildd/glib2.0-2.30.0/./gthread/gthread-posix.c:242
        result = <optimized out>
        end_time = {tv_sec = 1323941217, tv_nsec = 997350000}
        timed_out = <optimized out>
        __PRETTY_FUNCTION__ = "g_cond_timed_wait_posix_impl"
#3  0x001c73f0 in g_async_queue_pop_intern_unlocked (queue=0x8719308, try=<optimized out>, end_time=0xa7a9b168) at /build/buildd/glib2.0-2.30.0/./glib/gasyncqueue.c:415
        retval = <optimized out>
        __PRETTY_FUNCTION__ = "g_async_queue_pop_intern_unlocked"
#4  0x001c7dae in g_async_queue_timed_pop (queue=0x8719308, end_time=0xa7a9b168) at /build/buildd/glib2.0-2.30.0/./glib/gasyncqueue.c:536
        retval = <optimized out>
        __PRETTY_FUNCTION__ = "g_async_queue_timed_pop"
#5  0x0021e95b in g_thread_pool_wait_for_new_pool () at /build/buildd/glib2.0-2.30.0/./glib/gthreadpool.c:175
        end_time = {tv_sec = 1323941217, tv_usec = 997350}
        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=0x8719288) at /build/buildd/glib2.0-2.30.0/./glib/gthreadpool.c:378
        free_pool = <optimized out>
        task = 0x2
        pool = <optimized out>
#7  0x0021c5f4 in g_thread_create_proxy (data=0x91163b0) at /build/buildd/glib2.0-2.30.0/./glib/gthread.c:1962
        thread = 0x91163b0
        __PRETTY_FUNCTION__ = "g_thread_create_proxy"
#8  0x00761d31 in start_thread (arg=0xa7a9bb70) at pthread_create.c:304
        __res = <optimized out>
        pd = 0xa7a9bb70
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {7811060, 0, 4001536, -1482050856, 1933732352, -870610609}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        robust = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#9  0x009b00ce 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 0xb63beb70 (LWP 1657)):
#0  0x004b6416 in __kernel_vsyscall ()
No symbol table info available.
#1  0x009a140e in __GI___poll (fds=0x867ed58, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = -516
        result = <optimized out>
#2  0x0020434b in g_poll (fds=0x867ed58, nfds=3, timeout=-1) at /build/buildd/glib2.0-2.30.0/./glib/gpoll.c:132
No locals.
#3  0x001f5896 in g_main_context_poll (n_fds=3, fds=0x867ed58, timeout=<optimized out>, context=0x867d7e8, priority=<optimized out>) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3402
        poll_func = 0x204320 <g_poll>
#4  g_main_context_iterate (context=0x867d7e8, block=2114336, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3084
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 3
        allocated_nfds = <optimized out>
        fds = 0x867ed58
#5  0x001f5f9b in g_main_loop_run (loop=0x867d7c0) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3297
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#6  0x00cbbcea in gdbus_shared_thread_func (user_data=0x867d7d0) at /build/buildd/glib2.0-2.30.0/./gio/gdbusprivate.c:276
        data = 0x867d7d0
#7  0x0021c5f4 in g_thread_create_proxy (data=0x867d878) at /build/buildd/glib2.0-2.30.0/./glib/gthread.c:1962
        thread = 0x867d878
        __PRETTY_FUNCTION__ = "g_thread_create_proxy"
#8  0x00761d31 in start_thread (arg=0xb63beb70) at pthread_create.c:304
        __res = <optimized out>
        pd = 0xb63beb70
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {7811060, 0, 4001536, -1237589288, 1474456099, -870610609}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        robust = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#9  0x009b00ce 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 0xb6bbfb70 (LWP 1656)):
#0  0x004b6416 in __kernel_vsyscall ()
No symbol table info available.
#1  0x009a140e in __GI___poll (fds=0x86765e8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = -516
        result = <optimized out>
#2  0x0020434b in g_poll (fds=0x86765e8, nfds=1, timeout=-1) at /build/buildd/glib2.0-2.30.0/./glib/gpoll.c:132
No locals.
#3  0x001f5896 in g_main_context_poll (n_fds=1, fds=0x86765e8, timeout=<optimized out>, context=0x86746e8, priority=<optimized out>) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3402
        poll_func = 0x204320 <g_poll>
#4  g_main_context_iterate (context=0x86746e8, block=2114336, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3084
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = <optimized out>
        fds = 0x86765e8
#5  0x001f5f9b in g_main_loop_run (loop=0x864ab40) at /build/buildd/glib2.0-2.30.0/./glib/gmain.c:3297
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#6  0x00ad2194 in dconf_context_thread (data=0x86746e8) at dconfcontext.c:11
        context = 0x86746e8
        loop = <optimized out>
        __PRETTY_FUNCTION__ = "dconf_context_thread"
#7  0x0021c5f4 in g_thread_create_proxy (data=0x864abe8) at /build/buildd/glib2.0-2.30.0/./glib/gthread.c:1962
        thread = 0x864abe8
        __PRETTY_FUNCTION__ = "g_thread_create_proxy"
#8  0x00761d31 in start_thread (arg=0xb6bbfb70) at pthread_create.c:304
        __res = <optimized out>
        pd = 0xb6bbfb70
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {7811060, 0, 4001536, -1229196584, 1472358946, -870610609}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        robust = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#9  0x009b00ce 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 0xb76f6880 (LWP 1591)):
#0  _int_malloc (av=0xa57400, bytes=16384) at malloc.c:4538
        p = 0x4008
        iters = <optimized out>
        nb = 16392
        idx = 114
        bin = <optimized out>
        victim = 0x86837a8
        size = 16440
        victim_index = <optimized out>
        remainder = <optimized out>
        remainder_size = 48
        block = <optimized out>
        bit = <optimized out>
        map = <optimized out>
        fwd = 0x27704
        bck = <optimized out>
        errstr = 0x0
        __func__ = "_int_malloc"
#1  0x00950498 in __GI___libc_malloc (bytes=16384) at malloc.c:3660
        ar_ptr = 0xa57400
        victim = <optimized out>
        hook = <optimized out>
        __func__ = "__libc_malloc"
#2  0x001fb5b3 in standard_realloc (mem=0x0, n_bytes=16384) at /build/buildd/glib2.0-2.30.0/./glib/gmem.c:95
No locals.
#3  0x001fbe59 in g_realloc (mem=0x0, n_bytes=16384) at /build/buildd/glib2.0-2.30.0/./glib/gmem.c:233
        newmem = <optimized out>
#4  0x001c5a85 in g_array_maybe_expand (array=0x885e618, len=<optimized out>) at /build/buildd/glib2.0-2.30.0/./glib/garray.c:689
        want_alloc = 16384
#5  0x001c619b in g_array_set_size (farray=0x885e618, length=8193) at /build/buildd/glib2.0-2.30.0/./glib/garray.c:486
        array = 0x885e618
        __PRETTY_FUNCTION__ = "g_array_set_size"
#6  0x001c717a in g_byte_array_set_size (array=0x885e618, length=8193) at /build/buildd/glib2.0-2.30.0/./glib/garray.c:1521
No locals.
#7  0x00c38083 in g_file_load_contents (file=0x8bdad20, cancellable=0x0, contents=0xbff370f4, length=0xbff370f8, etag_out=0x0, error=0x0) at /build/buildd/glib2.0-2.30.0/./gio/gfile.c:6172
        in = 0x8c86b50
        content = 0x885e618
        pos = 0
        res = <optimized out>
        info = <optimized out>
        __PRETTY_FUNCTION__ = "g_file_load_contents"
#8  0x04c4789a in read_slideshow_file (filename=0x90e5800 "/usr/share/backgrounds/Stalking_Ocelot_by_Sayantan_Chaudhuri.jpg", err=<optimized out>) at gnome-bg.c:2865
        file = <optimized out>
        contents = 0x0
        len = <optimized out>
        context = 0x0
        parser = {start_element = 0x4c45350 <handle_start_element>, end_element = 0x4c45320 <handle_end_element>, text = 0x4c44e20 <handle_text>, passthrough = 0, error = 0}
        show = 0x0
        t = <optimized out>
#9  get_as_slideshow (filename=0x90e5800 "/usr/share/backgrounds/Stalking_Ocelot_by_Sayantan_Chaudhuri.jpg", bg=0x8cacd10) at gnome-bg.c:1838
No locals.
#10 get_as_slideshow (bg=0x8cacd10, filename=0x90e5800 "/usr/share/backgrounds/Stalking_Ocelot_by_Sayantan_Chaudhuri.jpg") at gnome-bg.c:1831
        ent = <optimized out>
#11 0x04c49736 in get_filename_for_size (best_height=1280, best_width=800, bg=0x8cacd10) at gnome-bg.c:1239
        show = <optimized out>
        slide = <optimized out>
        size = <optimized out>
#12 gnome_bg_get_image_size (bg=0x8cacd10, factory=0x8df1090, best_width=800, best_height=1280, width=0xbff37188, height=0xbff3718c) at gnome-bg.c:1268
        thumb = <optimized out>
        result = 0
        filename = 0x8cacd10 "\270Pf\b\001"
        __PRETTY_FUNCTION__ = "gnome_bg_get_image_size"
#13 0x017b4e15 in UnityScreen::paintDisplay(CompRegion const&, GLMatrix const&, unsigned int) () from /tmp/tmpfzfg0i/usr/lib/compiz/libunityshell.so
No symbol table info available.
#14 0x01a271f0 in ?? () at /usr/include/c++/4.6/ext/new_allocator.h:98 from /tmp/tmpfzfg0i/usr/lib/compiz/libwall.so
No symbol table info available.
Backtrace stopped: previous frame inner to this frame (corrupt stack?)