.
Thread 3 (Thread 0x7fed9eac4700 (LWP 3994)):
#0  0x00007fedad7c29e3 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = 0
        result = <optimized out>
#1  0x00007fedadf19fa4 in g_main_context_poll (n_fds=3, fds=0x7fed900010c0, timeout=-1, context=0x7fed9800d7a0, priority=<optimized out>) at /build/buildd/glib2.0-2.33.8/./glib/gmain.c:3576
        poll_func = 0x7fedadf27e20 <g_poll>
#2  g_main_context_iterate (context=0x7fed9800d7a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at /build/buildd/glib2.0-2.33.8/./glib/gmain.c:3277
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 3
        allocated_nfds = <optimized out>
        fds = 0x7fed900010c0
#3  0x00007fedadf1a402 in g_main_loop_run (loop=0x7fed9800d730) at /build/buildd/glib2.0-2.33.8/./glib/gmain.c:3476
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#4  0x00007fedae4ed636 in gdbus_shared_thread_func (user_data=0x7fed9800d770) at /build/buildd/glib2.0-2.33.8/./gio/gdbusprivate.c:277
        data = 0x7fed9800d770
#5  0x00007fedadf3ce05 in g_thread_proxy (data=0x7fed9800ad40) at /build/buildd/glib2.0-2.33.8/./glib/gthread.c:801
        thread = 0x7fed9800ad40
#6  0x00007fedadaa0e9a in start_thread (arg=0x7fed9eac4700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7fed9eac4700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -4338668751013407276, 140658554456240, 140658546067904, 0, 3, 4328749354314765780, 4328707554139051476}, 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  0x00007fedad7ce39d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#8  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (Thread 0x7fed9f2c5700 (LWP 3993)):
#0  0x00007fedad7c29e3 in __GI___poll (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
        resultvar = <optimized out>
        oldtype = 0
        result = <optimized out>
#1  0x00007fedadf19fa4 in g_main_context_poll (n_fds=1, fds=0x7fed980010e0, timeout=-1, context=0x1b5b4b0, priority=<optimized out>) at /build/buildd/glib2.0-2.33.8/./glib/gmain.c:3576
        poll_func = 0x7fedadf27e20 <g_poll>
#2  g_main_context_iterate (context=context@entry=0x1b5b4b0, block=block@entry=1, dispatch=dispatch@entry=1, self=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at /build/buildd/glib2.0-2.33.8/./glib/gmain.c:3277
        max_priority = 2147483647
        timeout = -1
        some_ready = <optimized out>
        nfds = 1
        allocated_nfds = <optimized out>
        fds = 0x7fed980010e0
#3  0x00007fedadf1a0c4 in g_main_context_iteration (context=context@entry=0x1b5b4b0, may_block=may_block@entry=1) at /build/buildd/glib2.0-2.33.8/./glib/gmain.c:3343
        retval = <optimized out>
#4  0x00007fed9f2cc35d in dconf_gdbus_worker_thread (user_data=0x1b5b4b0) at dconf-gdbus-thread.c:81
        context = 0x1b5b4b0
#5  0x00007fedadf3ce05 in g_thread_proxy (data=0x1b529e0) at /build/buildd/glib2.0-2.33.8/./glib/gthread.c:801
        thread = 0x1b529e0
#6  0x00007fedadaa0e9a in start_thread (arg=0x7fed9f2c5700) at pthread_create.c:308
        __res = <optimized out>
        pd = 0x7fed9f2c5700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -4338668751013407276, 140733748208960, 140658554460608, 0, 3, 4328748255340008916, 4328707554139051476}, 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  0x00007fedad7ce39d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
No locals.
#8  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 0x7fedb31f69c0 (LWP 3990)):
#0  0x00007fedad712405 in __GI_raise (sig=<optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
        resultvar = 0
        pid = <optimized out>
        selftid = 3990
#1  0x00007fedad715b6b in __GI_abort () at abort.c:91
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x400, sa_sigaction = 0x400}, sa_mask = {__val = {140658802378044, 140658793655368, 140658889274592, 30252160, 140733748211080, 1, 95, 4294967295, 30252160, 1, 30319296, 3096688, 0, 0, 0, 140658801975296}}, sa_flags = -1291659404, sa_restorer = 0x5}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007fedadf3b347 in g_assertion_message (domain=domain@entry=0x0, file=file@entry=0x45345f "db.c", line=line@entry=685, func=func@entry=0x456550 "db_init", message=<optimized out>) at /build/buildd/glib2.0-2.33.8/./glib/gtestutils.c:1861
        lstr = "685\000\377\177\000\000 \356\021!\377\177\000\000\000\000\000\000\000\000\000\000\063\070E\000\000\000\000"
        s = 0x1cea2c0 ""
#3  0x00007fedadf3b864 in g_assertion_message_expr (domain=0x0, file=0x45345f "db.c", line=685, func=0x456550 "db_init", expr=<optimized out>) at /build/buildd/glib2.0-2.33.8/./glib/gtestutils.c:1872
        s = <optimized out>
#4  0x000000000041e2ff in db_init () at db.c:685
        res = <optimized out>
        __PRETTY_FUNCTION__ = "db_init"
#5  0x000000000041a899 in main (argc=1, argv=0x7fff2111f3b8) at main.c:284
        app = 0x1b5de30
        msg = <optimized out>
        error = 0x0
        context = <optimized out>
        debug = 0x1ad2b90
        debug_flags = 0
        dbus = 0x0
        initial_state = 0x464b2c "shown"
        feed = 0x0
        initialState = <optimized out>
        show_tray_icon = <optimized out>
        start_in_tray = <optimized out>
        opt_session_arg = 0x0
        entries = {{long_name = 0x45c676 "mainwindow-state", short_name = 119 'w', flags = 0, arg = G_OPTION_ARG_STRING, arg_data = 0x7fff2111f2a0, description = 0x45c140 "Start Liferea with its main window in STATE. STATE may be `shown', `iconified', or `hidden'", arg_description = 0x45c687 "STATE"}, {long_name = 0x464b08 "session", short_name = 0 '\000', flags = 1, arg = G_OPTION_ARG_STRING, arg_data = 0x7fff2111f2b0, description = 0x0, arg_description = 0x0}, {long_name = 0x457230 "version", short_name = 118 'v', flags = 8, arg = G_OPTION_ARG_CALLBACK, arg_data = 0x42f560, description = 0x45c1a0 "Show version information and exit", arg_description = 0x0}, {long_name = 0x45c68d "add-feed", short_name = 97 'a', flags = 0, arg = G_OPTION_ARG_STRING, arg_data = 0x7fff2111f2a8, description = 0x45c696 "Add a new subscription", arg_description = 0x465495 "uri"}, {long_name = 0x0, short_name = 0 '\000', flags = 0, arg = G_OPTION_ARG_NONE, arg_data = 0x0, description = 0x0, arg_description = 0x0}}
        debug_entries = {{long_name = 0x45c592 "debug-all", short_name = 0 '\000', flags = 8, arg = G_OPTION_ARG_CALLBACK, arg_data = 0x42f5f0, description = 0x45c1c8 "Print debugging messages of all types", arg_description = 0x0}, {long_name = 0x45c59e "debug-cache", short_name = 0 '\000', flags = 8, arg = G_OPTION_ARG_CALLBACK, arg_data = 0x42f5f0, description = 0x45c1f0 "Print debugging messages for the cache handling", arg_description = 0x0}, {long_name = 0x45c5ac "debug-conf", short_name = 0 '\000', flags = 8, arg = G_OPTION_ARG_CALLBACK, arg_data = 0x42f5f0, description = 0x45c220 "Print debugging messages for the configuration handling", arg_description = 0x0}, {long_name = 0x45c5b9 "debug-db", short_name = 0 '\000', flags = 8, arg = G_OPTION_ARG_CALLBACK, arg_data = 0x42f5f0, description = 0x45c258 "Print debugging messages of the database handling", arg_description = 0x0}, {long_name = 0x45c5c4 "debug-gui", short_name = 0 '\000', flags = 8, arg = G_OPTION_ARG_CALLBACK, arg_data = 0x42f5f0, description = 0x45c290 "Print debugging messages of all GUI functions", arg_description = 0x0}, {long_name = 0x45c5d0 "debug-html", short_name = 0 '\000', flags = 8, arg = G_OPTION_ARG_CALLBACK, arg_data = 0x42f5f0, description = 0x45c2c0 "Enables HTML rendering debugging. Each time Liferea renders HTML output it will also dump the generated HTML into ~/.liferea_1.8/output.xhtml", arg_description = 0x0}, {long_name = 0x45c5dd "debug-net", short_name = 0 '\000', flags = 8, arg = G_OPTION_ARG_CALLBACK, arg_data = 0x42f5f0, description = 0x45c350 "Print debugging messages of all network activity", arg_description = 0x0}, {long_name = 0x45c5e9 "debug-parsing", short_name = 0 '\000', flags = 8, arg = G_OPTION_ARG_CALLBACK, arg_data = 0x42f5f0, description = 0x45c388 "Print debugging messages of all parsing functions", arg_description = 0x0}, {long_name = 0x45c5f9 "debug-performance", short_name = 0 '\000', flags = 8, arg = G_OPTION_ARG_CALLBACK, arg_data = 0x42f5f0, description = 0x45c3c0 "Print debugging messages when a function takes too long to process", arg_description = 0x0}, {long_name = 0x45c60d "debug-trace", short_name = 0 '\000', flags = 8, arg = G_OPTION_ARG_CALLBACK, arg_data = 0x42f5f0, description = 0x45c408 "Print debugging messages when entering/leaving functions", arg_description = 0x0}, {long_name = 0x45c61b "debug-update", short_name = 0 '\000', flags = 8, arg = G_OPTION_ARG_CALLBACK, arg_data = 0x42f5f0, description = 0x45c448 "Print debugging messages of the feed update processing", arg_description = 0x0}, {long_name = 0x45c62a "debug-vfolder", short_name = 0 '\000', flags = 8, arg = G_OPTION_ARG_CALLBACK, arg_data = 0x42f5f0, description = 0x45c480 "Print debugging messages of the search folder matching", arg_description = 0x0}, {long_name = 0x45c63a "debug-verbose", short_name = 0 '\000', flags = 8, arg = G_OPTION_ARG_CALLBACK, arg_data = 0x42f5f0, description = 0x45c4b8 "Print verbose debugging messages", 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}}
        __PRETTY_FUNCTION__ = "main"