[Octave-bug-tracker] [bug #41817] UI crash adding a comment line to an Octave .m file.

[Allan Jacobs]

Follow-up Comment #8, bug #41817 (project octave):

(gdb) continue
Continuing.
[New Thread 0x7fbe49471700 (LWP 5781)]

Program received signal SIGSEGV, Segmentation fault.
0x00007fbe644178b5 in QCoreApplication::notifyInternal(QObject*, QEvent*) ()
   from /usr/lib/x86_64-linux-gnu/libQtCore.so.4

(gdb) bt full
#0  0x00007fbe644178b5 in QCoreApplication::notifyInternal(QObject*, QEvent*)
    () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
No symbol table info available.
#1  0x00007fbe64edeebd in QInputContext::sendEvent(QInputMethodEvent const&)
()
   from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
No symbol table info available.
#2  0x00007fbe64edee72 in QInputContext::sendEvent(QInputMethodEvent const&)
()
   from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
No symbol table info available.
#3  0x00007fbe232378b1 in
IBusInputContext::displayPreeditText(IBus::Pointer<IBus::Text> const&,
unsigned int, bool) ()
   from /usr/lib/x86_64-linux-gnu/qt4/plugins/inputmethods/libqtim-ibus.so
No symbol table info available.
#4  0x00007fbe6442ba58 in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
No symbol table info available.
#5  0x00007fbe2301c264 in
IBus::InputContext::updatePreeditText(IBus::Pointer<IBus::Text> const&,
unsigned int, bool) () from /usr/lib/libibus-qt.so.1
No symbol table info available.
#6  0x00007fbe23011a70 in
IBus::InputContext::slotUpdatePreeditText(QDBusVariant const&, unsigned int,
bool) () from /usr/lib/libibus-qt.so.1
No symbol table info available.
#7  0x00007fbe6442ba58 in QMetaObject::activate(QObject*, QMetaObject const*,
int, void**) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
No symbol table info available.
#8  0x00007fbe2301a854 in
IBusInputContextProxy::UpdatePreeditText(QDBusVariant const&, unsigned int,
bool) () from /usr/lib/libibus-qt.so.1
No symbol table info available.
#9  0x00007fbe2301b7d6 in ?? () from /usr/lib/libibus-qt.so.1
No symbol table info available.
#10 0x00007fbe2301c053 in
IBusInputContextProxy::qt_metacall(QMetaObject::Call, int, void**) () from
/usr/lib/libibus-qt.so.1
No symbol table info available.
#11 0x00007fbe32b76e36 in ?? () from /usr/lib/x86_64-linux-gnu/libQtDBus.so.4
No symbol table info available.
#12 0x00007fbe6442fdce in QObject::event(QEvent*) ()
   from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
No symbol table info available.
#13 0x00007fbe64947dfc in QApplicationPrivate::notify_helper(QObject*,
QEvent*)
    () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
No symbol table info available.
#14 0x00007fbe6494e470 in QApplication::notify(QObject*, QEvent*) ()
   from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
No symbol table info available.
#15 0x00007fbe644178bd in QCoreApplication::notifyInternal(QObject*, QEvent*)
    () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
No symbol table info available.
#16 0x00007fbe6441ae1f in QCoreApplicationPrivate::sendPostedEvents(QObject*,
int, QThreadData*) () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
No symbol table info available.
#17 0x00007fbe64445073 in ?? () from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
No symbol table info available.
#18 0x00007fbe5e5c53b6 in g_main_context_dispatch ()
   from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#19 0x00007fbe5e5c5708 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#20 0x00007fbe5e5c57ac in g_main_context_iteration ()
   from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#21 0x00007fbe64444a55 in
QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ()
from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
No symbol table info available.
#22 0x00007fbe649e99d6 in ?? () from /usr/lib/x86_64-linux-gnu/libQtGui.so.4
No symbol table info available.
#23 0x00007fbe644165ef in
QEventLoop::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from
/usr/lib/x86_64-linux-gnu/libQtCore.so.4
No symbol table info available.
#24 0x00007fbe644168e5 in
QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>
No symbol table info available.
#25 0x00007fbe6441be5b in QCoreApplication::exec() ()
   from /usr/lib/x86_64-linux-gnu/libQtCore.so.4
No symbol table info available.
#26 0x00007fbe684ddf67 in octave_start_gui (argc=1, argv=<optimized out>, 
    start_gui=<optimized out>) at src/octave-gui.cc:192
        gui_tr = <incomplete type>
        qsci_tr = <incomplete type>
        term = {static npos = <optimized out>, 
          _M_dataplus = {<std::allocator<char>> =
{<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>},
_M_p = 0x137d638 "xterm"}}
        w = {<QMainWindow> = {<No data fields>}, static staticMetaObject = {
            d = {superdata = 0x7fbe6541c440 <QMainWindow::staticMetaObject>, 
              stringdata = 0x7fbe6855f020 <qt_meta_stringdata_main_window>
"main_window", data = 0x7fbe6855fae0 <qt_meta_data_main_window>, 
              extradata = 0x7fbe687c04c0
<main_window::staticMetaObjectExtraData>}}, static staticMetaObjectExtraData =
{objects = 0x0, 
            static_metacall = 0x7fbe685198f0
<main_window::qt_static_metacall(QObject*, QMetaObject::Call, int, void**)>},
_workspace_model = 0x13787b0, 
          status_bar = 0x138a7a0, command_window = 0x13f6940, history_window =

    0x13cdff0, file_browser_window = 0x13caaf0, doc_browser_window = 
    0x13cda90, editor_window = 0x154f3b0, workspace_window = 0x1626860, 
          _release_notes_icon = {static null = {<No data fields>}, 
            static shared_null = {ref = {_q_value = 7177}, alloc = 0, 
              size = 0, data = 0x7fbe6477c93a <QString::shared_null+26>, 
              clean = 0, simpletext = 0, righttoleft = 0, asciiCache = 0, 
              capacity = 0, reserved = 0, array = {0}}, static shared_empty =
{
              ref = {_q_value = 11}, alloc = 0, size = 0, 
              data = 0x7fbe6477c91a <QString::shared_empty+26>, clean = 0, 
              simpletext = 0, righttoleft = 0, asciiCache = 0, capacity = 0, 
              reserved = 0, array = {0}}, d = 0x1628130, 
            static codecForCStrings = 0x11969f0}, _main_tool_bar = 0x164a7e0,

          _warning_bar = 0x7fbe689f3558, _gui_info_button = 0x15e1190, 
          _debug_menu = 0x15d1200, _debug_continue = 0x1686880, 
          _debug_step_into = 0x166e780, _debug_step_over = 0x1621a90, 
          _debug_step_out = 0x166e710, _debug_quit = 0x15fc0c0, 
          _new_script_action = 0x1625dd0, _new_function_action = 0x16718c0, 
          _open_action = 0x15fd5d0, _copy_action = 0x15bdfe0, 
          _paste_action = 0x1667bf0, _clear_clipboard_action = 0x15edc00, 
          _undo_action = 0x1694e10, _find_files_action = 0x168cfb0, 
          _exit_action = 0x169fb20, _current_directory_combo_box = 0x13886c0,

          static current_directory_width = 300, 
          static current_directory_max_visible = 16, 
          static current_directory_max_count = 16, 
          _current_directory_line_edit = 0x0, find_files_dlg = 0x0, 
          release_notes_window = 0x0, community_news_window = 0x0, 
          _octave_qt_link = 0x15dc860, _clipboard = 0x16a6a10, 
          _closing = false, _cmd_queue = 0x160c2f0, _cmd_processing = {
            d = 0x1211e80}, _cmd_queue_mutex = {d = 0x1211ff0}, 
          _dbg_queue = 0x1212020, _dbg_processing = {d = 0x1212040}, 
          _dbg_queue_mutex = {d = 0x15d7780}}
        application = <incomplete type>
        qt_tr = <incomplete type>
#27 0x00007fbe66cb6de5 in __libc_start_main (main=
    0x400890 <main(int, char**)>, argc=1, ubp_av=0x7ffff2f918b8, 
    init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, 
    stack_end=0x7ffff2f918a8) at libc-start.c:260
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -524424279345491349, 
                4196598, 140737269799088, 0, 0, 524452852954141291, 
                559593641115357803}, mask_was_saved = 0}}, priv = {pad = {0x0,

              0x0, 0x4009e0 <__libc_csu_init>, 0x7ffff2f918b8}, data = {
              prev = 0x0, cleanup = 0x0, canceltype = 4196832}}}
        not_first_call = <optimized out>
#28 0x000000000040091f in _start ()
No symbol table info available.


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