#0  0x00f47416 in __kernel_vsyscall ()
No symbol table info available.
#1  0x00864e71 in raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
        resultvar = <value optimized out>
        resultvar = <value optimized out>
        pid = 10055668
        selftid = 1985
#2  0x0086834e in abort () at abort.c:92
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x3a2854, sa_sigaction = 0x3a2854}, sa_mask = {__val = {3217120244, 8624756, 0, 3077751152, 5, 0, 1, 3077774112, 3217120272, 3811348, 3077774112, 4017551, 3077774112, 3862212, 3077774112, 4018891, 3077767168, 30, 0, 0, 3217120320, 5, 3077774112, 4020639, 3077767872, 9412388, 2, 3835108, 3077774112, 4551492, 4294967295, 8622068}}, sa_flags = 4017551, sa_restorer = 0x5}
        sigs = {__val = {32, 0 <repeats 31 times>}}
#3  0x0044b0b5 in __gnu_cxx::__verbose_terminate_handler() () from /usr/lib/i386-linux-gnu/libstdc++.so.6
No symbol table info available.
#4  0x00448fa5 in ?? () from /usr/lib/i386-linux-gnu/libstdc++.so.6
No symbol table info available.
#5  0x00448fe2 in std::terminate() () from /usr/lib/i386-linux-gnu/libstdc++.so.6
No symbol table info available.
#6  0x0044914e in __cxa_throw () from /usr/lib/i386-linux-gnu/libstdc++.so.6
No symbol table info available.
#7  0x005e19f7 in ChertTable::read_block (this=0x8cb3e28, n=222, p=<value optimized out>) at ../backends/chert/chert_table.cc:231
        message = {static npos = <optimized out>, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x8d933ec "Error reading block 222: Input/output error"}}
        bytes_read = <value optimized out>
        offset = 4728752
        m = <value optimized out>
#8  0x005e261c in ChertTable::block_to_cursor (this=0x8cb3e28, C_=0x8d96210, j=0, n=222) at ../backends/chert/chert_table.cc:383
        p = 0x8da9408 ""
#9  0x005e54e7 in ChertTable::find (this=0x8cb3e28, C_=0x8d96210) at ../backends/chert/chert_table.cc:518
        j = 1
        p = <value optimized out>
        c = <value optimized out>
#10 0x005b9369 in ChertCursor::find_entry (this=0x8d934c0, key=...) at ../backends/chert/chert_cursor.cc:214
        found = <value optimized out>
#11 0x005ea2d7 in ChertValueManager::get_chunk_containing_did (this=0x8cb41bc, slot=171, did=1720, chunk=...) at ../backends/chert/chert_values.cc:163
        cursor = {_M_ptr = 0x8d934c0}
        exact = <value optimized out>
#12 0x005ea921 in ChertValueManager::get_value (this=0x8cb41bc, did=1720, slot=171) at ../backends/chert/chert_values.cc:475
        chunk = {static npos = <optimized out>, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x4827bc ""}}
        first_did = <value optimized out>
        reader = {p = 0xbfc15f98 "\370_\301\277\364\017p", end = 0xb88d75 "\203\304\024[]\303\220\215t&", did = 1, value = {static npos = <optimized out>, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x9983f8 "\020R\332\b\020R\332\b\030\064\331\bX=\313\bXM\332\bXh\330\b\b\204\231"}}}
#13 0x005caffa in ChertDocument::do_get_value (this=0x8da5110, slot=171) at ../backends/chert/chert_document.cc:40
No locals.
#14 0x00531921 in Xapian::Document::Internal::get_value (this=0x8da5110, valueid=171) at ../api/omdocument.cc:282
No locals.
#15 0x00531982 in Xapian::Document::get_value (this=0xbfc160c4, value=171) at ../api/omdocument.cc:59
No locals.
#16 0x080583cd in _pkginfo_from_document (doc=...) at ./unity-package-search.cc:306
        pkgname = {static npos = <optimized out>, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0xbfc160c8 "\020Q\332\bi\347("}}
        pkginfo = 0x8da2860
        appname = {static npos = <optimized out>, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x82fc40 "Z\213\f$\211\004$\213D$\004\302\f"}}
        desktop_file = {static npos = <optimized out>, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x8d933e0 "+"}}
        icon = {static npos = <optimized out>, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x5317a7 "\311\303\220\215\266"}}
#17 0x08058cb6 in unity_package_searcher_get_random_apps (searcher=0x8caab50, filter_query=0x0, n_apps=12) at ./unity-package-search.cc:450
        doc = {internal = {dest = 0x8da5110}}
        pkginfo = 0xffffffff
        i = 0
        n_unique = 0
        lastdocid = 2382
        docid = 147463200
        __PRETTY_FUNCTION__ = "UnityPackageSearchResult* unity_package_searcher_get_random_apps(UnityPackageSearcher*, const gchar*, guint)"
        result = 0x8c9a090
        unique = 0x8d87860
#18 0x08050bef in unity_applications_place_daemon_update_entry_search_co (data=0xb6b0f040) at daemon.c:923
        __PRETTY_FUNCTION__ = "unity_applications_place_daemon_update_entry_search_co"
#19 0x001188df in dispatch_async_callback (source_object=0x8c99c00, res=0x8d75930, user_data=0x8d98e98) at zeitgeist-index.c:205
        var = <value optimized out>
        ctx = 0x8d98e98
#20 0x00187ccf in g_simple_async_result_complete (simple=0x8d75930) at /build/buildd/glib2.0-2.28.5/./gio/gsimpleasyncresult.c:747
        current_source = <value optimized out>
        current_context = <value optimized out>
        __PRETTY_FUNCTION__ = "g_simple_async_result_complete"
#21 0x001ddcd1 in reply_cb (connection=0x8c96080, res=0x8ca8050, user_data=0x8d75930) at /build/buildd/glib2.0-2.28.5/./gio/gdbusproxy.c:2159
        simple = 0x8d75930
        value = <value optimized out>
        error = 0x0
#22 0x00187ccf in g_simple_async_result_complete (simple=0x8ca8050) at /build/buildd/glib2.0-2.28.5/./gio/gsimpleasyncresult.c:747
        current_source = <value optimized out>
        current_context = <value optimized out>
        __PRETTY_FUNCTION__ = "g_simple_async_result_complete"
#23 0x001d2d13 in g_dbus_connection_call_done (source=0x8c96080, result=0x8c95700, user_data=0xb6b20620) at /build/buildd/glib2.0-2.28.5/./gio/gdbusconnection.c:5003
        connection = 0x8c96080
        state = 0xb6b20620
        error = 0x0
        reply = 0x8c9f5b0
        value = <value optimized out>
#24 0x00187ccf in g_simple_async_result_complete (simple=0x8c95700) at /build/buildd/glib2.0-2.28.5/./gio/gsimpleasyncresult.c:747
        current_source = <value optimized out>
        current_context = <value optimized out>
        __PRETTY_FUNCTION__ = "g_simple_async_result_complete"
#25 0x00187ded in complete_in_idle_cb (data=0x8c95700) at /build/buildd/glib2.0-2.28.5/./gio/gsimpleasyncresult.c:757
        simple = 0x8c95700
#26 0x00269311 in g_idle_dispatch (source=0x8ca2580, callback=0x187dd0 <complete_in_idle_cb>, user_data=0x8c95700) at /build/buildd/glib2.0-2.28.5/./glib/gmain.c:4545
No locals.
#27 0x0026daa8 in g_main_dispatch (context=0x8c9b770) at /build/buildd/glib2.0-2.28.5/./glib/gmain.c:2440
        dispatch = 0x2692f0 <g_idle_dispatch>
        was_in_call = 0
        user_data = 0x8c95700
        callback = 0x187dd0 <complete_in_idle_cb>
        cb_funcs = 0x30333c
        cb_data = 0x8d7a608
        current_source_link = {data = 0x8ca2580, next = 0x0}
        need_destroy = <value optimized out>
        source = 0x8ca2580
        current = 0x8c9c2c8
        i = <value optimized out>
#28 g_main_context_dispatch (context=0x8c9b770) at /build/buildd/glib2.0-2.28.5/./glib/gmain.c:3013
No locals.
#29 0x0026e270 in g_main_context_iterate (context=0x8c9b770, block=2615328, dispatch=1, self=<value optimized out>) at /build/buildd/glib2.0-2.28.5/./glib/gmain.c:3091
        max_priority = 2147483647
        timeout = 163
        some_ready = 1
        nfds = <value optimized out>
        allocated_nfds = <value optimized out>
        fds = 0x8d87a20
#30 0x0026e92b in g_main_loop_run (loop=0x8ca52e0) at /build/buildd/glib2.0-2.28.5/./glib/gmain.c:3299
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#31 0x001b579f in g_application_real_run_mainloop (application=0x8d758c0) at /build/buildd/glib2.0-2.28.5/./gio/gapplication.c:370
No locals.
#32 0x001b70a3 in g_application_run (application=0x8d758c0, argc=0, argv=0x0) at /build/buildd/glib2.0-2.28.5/./gio/gapplication.c:1322
        arguments = 0x8ca52e0
        status = 0
        i = <value optimized out>
        __PRETTY_FUNCTION__ = "g_application_run"
#33 0x0805288f in unity_applications_place_main (args=0xbfc165d4, 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
#34 0x080528c0 in main (argc=1, argv=0xbfc165d4) at main.c:190
No locals.