.
Thread 6 (Thread 0x7fe42eb8c700 (LWP 14878)):
#0  0x00007fe44048f951 in __GI___poll (fds=0x7fe424004e70, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007fe43df202c9 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fe43df20662 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fe43c479dc6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
No symbol table info available.
#4  0x00007fe43df47d15 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fe4437c57fc in start_thread (arg=0x7fe42eb8c700) at pthread_create.c:465
        pd = 0x7fe42eb8c700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140618013132544, -1936010413906543851, 140725342300398, 140725342300399, 140618013132544, 140618013133248, 1939280917562702613, 1939202273878260501}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
        frame = <optimized out>
#6  0x00007fe44049bb5f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 5 (Thread 0x7fe42db8a700 (LWP 14880)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x00007fe43df65e3a in g_cond_wait_until () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fe43def34f1 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fe43def3aac in g_async_queue_timeout_pop () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007fe43df487be in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fe43df47d15 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#6  0x00007fe4437c57fc in start_thread (arg=0x7fe42db8a700) at pthread_create.c:465
        pd = 0x7fe42db8a700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140617996347136, -1936010413906543851, 140725342302654, 140725342302655, 140617996347136, 140617996347840, 1939278717465705237, 1939202273878260501}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
        frame = <optimized out>
#7  0x00007fe44049bb5f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 4 (Thread 0x7fe42f38d700 (LWP 14877)):
#0  0x00007fe44048f951 in __GI___poll (fds=0x55858e134e90, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x00007fe43df202c9 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#2  0x00007fe43df203dc in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#3  0x00007fe43df20421 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#4  0x00007fe43df47d15 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#5  0x00007fe4437c57fc in start_thread (arg=0x7fe42f38d700) at pthread_create.c:465
        pd = 0x7fe42f38d700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140618021525248, -1936010413906543851, 140725342300014, 140725342300015, 140618021525248, 140618021525952, 1939282018684943125, 1939202273878260501}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
        frame = <optimized out>
#6  0x00007fe44049bb5f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 3 (Thread 0x7fe42ffff700 (LWP 14876)):
#0  0x00007fe4437cc072 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x55858e085520) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
        __ret = -512
        oldtype = 0
        err = <optimized out>
        oldtype = <optimized out>
        err = <optimized out>
        __ret = <optimized out>
        resultvar = <optimized out>
        __arg4 = <optimized out>
        __arg3 = <optimized out>
        __arg2 = <optimized out>
        __arg1 = <optimized out>
        _a4 = <optimized out>
        _a3 = <optimized out>
        _a2 = <optimized out>
        _a1 = <optimized out>
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x55858e0854d0, cond=0x55858e0854f8) at pthread_cond_wait.c:502
        spin = 0
        buffer = {__routine = 0x7fe4437cbe00 <__condvar_cleanup_waiting>, __arg = 0x7fe42fffea40, __canceltype = 805304768, __prev = 0x0}
        cbuffer = {wseq = 0, cond = 0x55858e0854f8, mutex = 0x55858e0854d0, private = 0}
        err = <optimized out>
        g = 0
        flags = <optimized out>
        g1_start = <optimized out>
        signals = 0
        result = 0
        wseq = <optimized out>
        seq = 0
        private = <optimized out>
        maxspin = <optimized out>
        err = <optimized out>
        result = <optimized out>
        wseq = <optimized out>
        g = <optimized out>
        seq = <optimized out>
        flags = <optimized out>
        private = <optimized out>
        signals = <optimized out>
        g1_start = <optimized out>
        spin = <optimized out>
        buffer = <optimized out>
        cbuffer = <optimized out>
        rt = <optimized out>
        s = <optimized out>
#2  __pthread_cond_wait (cond=0x55858e0854f8, mutex=0x55858e0854d0) at pthread_cond_wait.c:655
No locals.
#3  0x00007fe4439edb04 in fz::condition::wait(fz::scoped_lock&) () from /usr/lib/x86_64-linux-gnu/libfilezilla.so.0
No symbol table info available.
#4  0x00007fe4439e7fa8 in ?? () from /usr/lib/x86_64-linux-gnu/libfilezilla.so.0
No symbol table info available.
#5  0x00007fe440a3d373 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
No symbol table info available.
#6  0x00007fe4437c57fc in start_thread (arg=0x7fe42ffff700) at pthread_create.c:465
        pd = 0x7fe42ffff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140618034575104, -1936010413906543851, 140725342305054, 140725342305055, 140618034575104, 140618034575808, 1939282560924564245, 1939202273878260501}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
        frame = <optimized out>
#7  0x00007fe44049bb5f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 2 (Thread 0x7fe434fca700 (LWP 14875)):
#0  0x00007fe44048f951 in __GI___poll (fds=0x55858dfef8c0, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
        resultvar = 18446744073709551100
        sc_cancel_oldtype = 0
        sc_ret = <optimized out>
#1  0x000055858bd0b6ff in ?? ()
No symbol table info available.
#2  0x00007fe4416d1a12 in wxThread::CallEntry() () from /usr/lib/x86_64-linux-gnu/libwx_baseu-3.0.so.0
No symbol table info available.
#3  0x00007fe4416d380c in ?? () from /usr/lib/x86_64-linux-gnu/libwx_baseu-3.0.so.0
No symbol table info available.
#4  0x00007fe4437c57fc in start_thread (arg=0x7fe434fca700) at pthread_create.c:465
        pd = 0x7fe434fca700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140618118244096, -1936010413906543851, 140725342304670, 140725342304671, 140618118244096, 140618118244800, 1939223157768764181, 1939202273878260501}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread"
        frame = <optimized out>
#5  0x00007fe44049bb5f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
No locals.
.
Thread 1 (Thread 0x7fe443de3fc0 (LWP 14857)):
#0  raise (sig=<optimized out>) at ../sysdeps/unix/sysv/linux/raise.c:51
        set = {__val = {0, 0, 0, 0, 280375465082880, 0, 4278190080, 0, 5573027879438933760, 5575251091883578207, 5281958581376999237, 6075995084544034138, 6072345842512838980, 6071226489730062175, 0, 0}}
        pid = <optimized out>
        tid = <optimized out>
        ret = <optimized out>
#1  0x00007fe441c22375 in wxGUIAppTraits::ShowAssertDialog(wxString const&) () from /usr/lib/x86_64-linux-gnu/libwx_gtk2u_core-3.0.so.0
No symbol table info available.
#2  0x00007fe4415819d1 in ?? () from /usr/lib/x86_64-linux-gnu/libwx_baseu-3.0.so.0
No symbol table info available.
#3  0x00007fe4415843b7 in wxAppConsoleBase::OnAssertFailure(wchar_t const*, int, wchar_t const*, wchar_t const*, wchar_t const*) () from /usr/lib/x86_64-linux-gnu/libwx_baseu-3.0.so.0
No symbol table info available.
#4  0x00007fe441bedfa0 in wxApp::OnAssertFailure(wchar_t const*, int, wchar_t const*, wchar_t const*, wchar_t const*) () from /usr/lib/x86_64-linux-gnu/libwx_gtk2u_core-3.0.so.0
No symbol table info available.
#5  0x00007fe4415846af in ?? () from /usr/lib/x86_64-linux-gnu/libwx_baseu-3.0.so.0
No symbol table info available.
#6  0x00007fe44157f364 in wxOnAssert(char const*, int, char const*, char const*, char const*) () from /usr/lib/x86_64-linux-gnu/libwx_baseu-3.0.so.0
No symbol table info available.
#7  0x00007fe441c201d3 in wxTopLevelWindowGTK::Show(bool) () from /usr/lib/x86_64-linux-gnu/libwx_gtk2u_core-3.0.so.0
No symbol table info available.
#8  0x00007fe441dddebf in wxTopLevelWindowBase::Destroy() () from /usr/lib/x86_64-linux-gnu/libwx_gtk2u_core-3.0.so.0
No symbol table info available.
#9  0x00007fe4417007ee in wxEvtHandler::ProcessEventIfMatchesId(wxEventTableEntryBase const&, wxEvtHandler*, wxEvent&) () from /usr/lib/x86_64-linux-gnu/libwx_baseu-3.0.so.0
No symbol table info available.
#10 0x00007fe4417008f3 in wxEventHashTable::HandleEvent(wxEvent&, wxEvtHandler*) () from /usr/lib/x86_64-linux-gnu/libwx_baseu-3.0.so.0
No symbol table info available.
#11 0x00007fe441700cbb in wxEvtHandler::TryHereOnly(wxEvent&) () from /usr/lib/x86_64-linux-gnu/libwx_baseu-3.0.so.0
No symbol table info available.
#12 0x00007fe441700d43 in wxEvtHandler::ProcessEventLocally(wxEvent&) () from /usr/lib/x86_64-linux-gnu/libwx_baseu-3.0.so.0
No symbol table info available.
#13 0x00007fe441700da5 in wxEvtHandler::ProcessEvent(wxEvent&) () from /usr/lib/x86_64-linux-gnu/libwx_baseu-3.0.so.0
No symbol table info available.
#14 0x00007fe441700b07 in wxEvtHandler::SafelyProcessEvent(wxEvent&) () from /usr/lib/x86_64-linux-gnu/libwx_baseu-3.0.so.0
No symbol table info available.
#15 0x00007fe441664a91 in wxTimerImpl::SendEvent() () from /usr/lib/x86_64-linux-gnu/libwx_baseu-3.0.so.0
No symbol table info available.
#16 0x00007fe441c1c5b1 in ?? () from /usr/lib/x86_64-linux-gnu/libwx_gtk2u_core-3.0.so.0
No symbol table info available.
#17 0x00007fe43df20a03 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#18 0x00007fe43df1ff85 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#19 0x00007fe43df20350 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#20 0x00007fe43df20662 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#21 0x00007fe43ec6d737 in gtk_main () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0
No symbol table info available.
#22 0x00007fe441c09905 in wxGUIEventLoop::DoRun() () from /usr/lib/x86_64-linux-gnu/libwx_gtk2u_core-3.0.so.0
No symbol table info available.
#23 0x00007fe4415bca73 in wxEventLoopBase::Run() () from /usr/lib/x86_64-linux-gnu/libwx_baseu-3.0.so.0
No symbol table info available.
#24 0x00007fe441583f96 in wxAppConsoleBase::MainLoop() () from /usr/lib/x86_64-linux-gnu/libwx_baseu-3.0.so.0
No symbol table info available.
#25 0x00007fe44160ed69 in wxEntry(int&, wchar_t**) () from /usr/lib/x86_64-linux-gnu/libwx_baseu-3.0.so.0
No symbol table info available.
#26 0x000055858b9bb5a9 in ?? ()
No symbol table info available.
#27 0x00007fe4403a81c1 in __libc_start_main (main=0x55858b9bb540, argc=1, argv=0x7ffd2c09ffc8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd2c09ffb8) at ../csu/libc-start.c:308
        self = <optimized out>
        __self = <optimized out>
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 5632595108903041813, 94032061313984, 140725342306240, 0, 0, 1935334918595066645, 1939196272151280405}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x7ffd2c09ffd8, 0x7fe443e26150}, data = {prev = 0x0, cleanup = 0x0, canceltype = 738852824}}}
        not_first_call = <optimized out>
#28 0x000055858b9cb3ea in ?? ()
No symbol table info available.