.
Thread 2 (Thread 1340):
#0  0x00120416 in __kernel_vsyscall ()
No symbol table info available.
#1  0x00722e36 in __poll (fds=0x82fe4c0, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <value optimized out>
        oldtype = -516
        result = <value optimized out>
#2  0x008f884b in g_poll (fds=0x82fe4c0, nfds=3, timeout=-1) at /build/buildd/glib2.0-2.28.3/./glib/gpoll.c:132
No locals.
#3  0x008e81af in g_main_context_poll (context=0x82fb568, block=9406496, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.28.3/./glib/gmain.c:3404
        poll_func = 0x8f8820 <g_poll>
#4  g_main_context_iterate (context=0x82fb568, block=9406496, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.28.3/./glib/gmain.c:3086
        max_priority = 2147483647
        timeout = -1
        some_ready = <value optimized out>
        nfds = 3
        allocated_nfds = <value optimized out>
        fds = 0x82fe4c0
#5  0x008e892b in g_main_loop_run (loop=0x82fb558) at /build/buildd/glib2.0-2.28.3/./glib/gmain.c:3299
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#6  0x001d8424 in gdbus_shared_thread_func (data=0x0) at /build/buildd/glib2.0-2.28.3/./gio/gdbusprivate.c:276
No locals.
#7  0x009112df in g_thread_create_proxy (data=0x82fb5f8) at /build/buildd/glib2.0-2.28.3/./glib/gthread.c:1897
        thread = 0x82fb5f8
        __PRETTY_FUNCTION__ = "g_thread_create_proxy"
#8  0x0064de99 in start_thread (arg=0xb7476b70) at pthread_create.c:304
        pd = 0xb7476b70
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {6676468, 0, 4001536, -1220058120, 1124011236, 92667786}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <value optimized out>
        robust = <value optimized out>
        pagesize_m1 = <value optimized out>
        sp = <value optimized out>
        freesize = <value optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
#9  0x007315fe in clone () at ../sysdeps/unix/sysv/linux/i386/clone.S:130
No locals.
.
Thread 1 (Thread 1327):
#0  0x00120416 in __kernel_vsyscall ()
No symbol table info available.
#1  0x0068be71 in raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
        resultvar = <value optimized out>
        resultvar = <value optimized out>
        pid = 8118260
        selftid = 1327
#2  0x0068f34e in abort () at abort.c:92
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x47f854, sa_sigaction = 0x47f854}, sa_mask = {__val = {3220674196, 15739508, 0, 3078288000, 5, 0, 1, 3078303744, 3220674224, 4716564, 3078303744, 4922767, 3078303744, 4767428, 3078303744, 4924107, 3078304456, 30, 0, 0, 3220674272, 5, 3078303744, 4925855, 3078305160, 7474660, 2, 4740324, 3078303744, 5456708, 4294967295, 15736820}}, sa_flags = 4922767, sa_restorer = 0x5}
        sigs = {__val = {32, 0 <repeats 31 times>}}
#3  0x005280b5 in __gnu_cxx::__verbose_terminate_handler() () from /usr/lib/i386-linux-gnu/libstdc++.so.6
No symbol table info available.
#4  0x00525fa5 in ?? () from /usr/lib/i386-linux-gnu/libstdc++.so.6
No symbol table info available.
#5  0x00525fe2 in std::terminate() () from /usr/lib/i386-linux-gnu/libstdc++.so.6
No symbol table info available.
#6  0x0052614e in __cxa_throw () from /usr/lib/i386-linux-gnu/libstdc++.so.6
No symbol table info available.
#7  0x002a6de0 in docid_zero_invalid () at ../api/omdatabase.cc:56
No locals.
#8  0x002a7cb9 in Xapian::Database::get_document (this=0x830baf0, did=0) at ../api/omdatabase.cc:442
        multiplier = <value optimized out>
        n = <value optimized out>
        m = <value optimized out>
#9  0x08057dcd in unity_package_searcher_get_random_apps (searcher=0x830b708, filter_query=0x0, n_apps=12) at ./unity-package-search.cc:425
        doc = {internal = {dest = 0xffffffff}}
        pkginfo = 0x8050bc0
        i = 0
        n_unique = 0
        lastdocid = 0
        docid = 138371968
        __PRETTY_FUNCTION__ = "UnityPackageSearchResult* unity_package_searcher_get_random_apps(UnityPackageSearcher*, const gchar*, guint)"
        result = 0x840e4b0
        unique = 0x82ff9b0
#10 0x08050524 in unity_applications_place_daemon_update_entry_search_co (data=0x8418000) at daemon.c:906
        __PRETTY_FUNCTION__ = "unity_applications_place_daemon_update_entry_search_co"
#11 0x00cf089f in dispatch_async_callback (source_object=0x830bc00, res=0x830a150, user_data=0x840daa0) at zeitgeist-index.c:204
        var = <value optimized out>
        ctx = 0x840daa0
#12 0x0017ecbf in g_simple_async_result_complete (simple=0x830a150) at /build/buildd/glib2.0-2.28.3/./gio/gsimpleasyncresult.c:747
        current_source = <value optimized out>
        current_context = <value optimized out>
        __PRETTY_FUNCTION__ = "g_simple_async_result_complete"
#13 0x001d4cc1 in reply_cb (connection=0x82f6800, res=0x83dee10, user_data=0x830a150) at /build/buildd/glib2.0-2.28.3/./gio/gdbusproxy.c:2158
        simple = 0x830a150
        value = <value optimized out>
        error = 0x0
#14 0x0017ecbf in g_simple_async_result_complete (simple=0x83dee10) at /build/buildd/glib2.0-2.28.3/./gio/gsimpleasyncresult.c:747
        current_source = <value optimized out>
        current_context = <value optimized out>
        __PRETTY_FUNCTION__ = "g_simple_async_result_complete"
#15 0x001c9d03 in g_dbus_connection_call_done (source=0x82f6800, result=0x83ded90, user_data=0x8425bd0) at /build/buildd/glib2.0-2.28.3/./gio/gdbusconnection.c:4998
        connection = 0x82f6800
        state = 0x8425bd0
        error = 0x0
        reply = 0x83fd180
        value = <value optimized out>
#16 0x0017ecbf in g_simple_async_result_complete (simple=0x83ded90) at /build/buildd/glib2.0-2.28.3/./gio/gsimpleasyncresult.c:747
        current_source = <value optimized out>
        current_context = <value optimized out>
        __PRETTY_FUNCTION__ = "g_simple_async_result_complete"
#17 0x0017eddd in complete_in_idle_cb (data=0x83ded90) at /build/buildd/glib2.0-2.28.3/./gio/gsimpleasyncresult.c:757
        simple = 0x83ded90
#18 0x008e3311 in g_idle_dispatch (source=0x83e6b98, callback=0x17edc0 <complete_in_idle_cb>, user_data=0x83ded90) at /build/buildd/glib2.0-2.28.3/./glib/gmain.c:4545
No locals.
#19 0x008e7aa8 in g_main_dispatch (context=0x82fb718) at /build/buildd/glib2.0-2.28.3/./glib/gmain.c:2440
        dispatch = 0x8e32f0 <g_idle_dispatch>
        was_in_call = 0
        user_data = 0x83ded90
        callback = 0x17edc0 <complete_in_idle_cb>
        cb_funcs = 0x97d33c
        cb_data = 0x83e7c00
        current_source_link = {data = 0x83e6b98, next = 0x0}
        need_destroy = <value optimized out>
        source = 0x83e6b98
        current = 0x82fc448
        i = <value optimized out>
#20 g_main_context_dispatch (context=0x82fb718) at /build/buildd/glib2.0-2.28.3/./glib/gmain.c:3013
No locals.
#21 0x008e8270 in g_main_context_iterate (context=0x82fb718, block=9406496, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.28.3/./glib/gmain.c:3091
        max_priority = 2147483647
        timeout = 2825
        some_ready = 1
        nfds = <value optimized out>
        allocated_nfds = <value optimized out>
        fds = 0x83f3120
#22 0x008e892b in g_main_loop_run (loop=0x83f31c0) at /build/buildd/glib2.0-2.28.3/./glib/gmain.c:3299
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#23 0x001ac78f in g_application_real_run_mainloop (application=0x83ded58) at /build/buildd/glib2.0-2.28.3/./gio/gapplication.c:370
No locals.
#24 0x001ae093 in g_application_run (application=0x83ded58, argc=0, argv=0x0) at /build/buildd/glib2.0-2.28.3/./gio/gapplication.c:1322
        arguments = 0x83f31c0
        status = 0
        i = <value optimized out>
        __PRETTY_FUNCTION__ = "g_application_run"
#25 0x08051ebf in unity_applications_place_main (args=0xbff79d84, args_length1=1) at main.c:182
        result = 0
        _tmp0_ = <value optimized out>
        _tmp1_ = <value optimized out>
        _tmp2_ = <value optimized out>
        _tmp3_ = <value optimized out>
        _inner_error_ = 0x0
#26 0x08051ef0 in main (argc=1, argv=0xbff79d84) at main.c:190
No locals.