Cudatext: Access violation, "autocomplete_autoshow_chars": 3

[demanuel]

While writing some python i get a pop up with this message:

Access violation.

Press OK to ignore and risk data corruption.
Press Abort to kill the program.

Doesn't matter if i click in OK or Abort button. The cudatext stops responding.

In the console output i get the following:

(cudatext:32704): Gtk-CRITICAL **: 10:21:20.543: IA__gtk_selection_owner_set: assertion 'widget == NULL || gtk_widget_get_realized (widget)' failed
[TGtk2WidgetSet.Destroy] WARNING: There are 9 unreleased DCs, a detailed dump follows:
[TGtk2WidgetSet.Destroy]  DCs:   00007F8D913A7240 00007F8DB8355840 00007F8DB8352840 00007F8DB8351440 00007F8DB8350E40 00007F8DB8351240 00007F8DB8351040
[TGtk2WidgetSet.Destroy] WARNING: There are 30 unreleased GDIObjects, a detailed dump follows:
[TGtk2WidgetSet.Destroy]   GDIOs: 00007F8DA8047440 00007F8D917DE6C0 00007F8D917DB5C0 00007F8DA8047BC0 00007F8DA8049BC0 00007F8D917D9C40 00007F8DA8047040
[TGtk2WidgetSet.Destroy]   gdiBitmap: 9
[TGtk2WidgetSet.Destroy]   gdiBrush: 5
[TGtk2WidgetSet.Destroy]   gdiFont: 9
[TGtk2WidgetSet.Destroy]   gdiPen: 5
[TGtk2WidgetSet.Destroy]   gdiRegion: 2
[TGtk2WidgetSet.Destroy] WARNING: There are 1 TimerInfo structures left, I'll free them
(cudatext:33368): Gtk-CRITICAL **: 10:23:22.902: IA__gtk_selection_owner_set: assertion 'widget == NULL || gtk_widget_get_realized (widget)' failed

(cudatext:33368): GLib-GObject-WARNING **: 10:23:35.215: gsignal.c:1207: no emission of signal "button-release-event" to stop for instance '0x204d910'

(cudatext:33368): GLib-GObject-WARNING **: 10:23:42.505: gsignal.c:1207: no emission of signal "button-release-event" to stop for instance '0x204d910'

Version:

[Alexey-T]

I need some reproduction steps for this error, please.
Does it happen on the clean Cud? or your settings file user.json is needed? If the latter, pls attach it.

[demanuel]

my user.json:

{
  "autocomplete_autoshow_chars": 3,
  "bracket_highlight": true,
  "caret_view" : "7,-100",
  "caret_view_ovr" : "-50,-50",
  "fold_style": 1,
  "font_ligatures" : false,
  "font_name__linux" : "Roboto Mono",
  "font_size__linux" : 10,
  "gutter_fold_always": false,
  "numbers_center": true,
  "numbers_for_carets": true,
  "numbers_show": true,
  "show_cur_line": true,
  "show_cur_line_minimal": true,
  "show_full_sel_bg": false,
  "show_full_syntax_bg": false,
  "show_mouse_sel_frame" : false,
  "smooth_scroll": false,
  "tab_spaces": false,
  "ui_one_instance": true,
  "ui_tab_disabled" : false,
  "ui_tab_flat" : true,
  "ui_tab_fullcolor" : false,
  "ui_tab_show" : true,
  "ui_tab_show_plus" : false,
  "ui_tab_switcher_dialog" : true,
  "ui_tab_x_rounded" : false,
  "ui_taskbar_mode__linux" : true,
  "ui_theme" : "",
  "ui_theme_syntax" : "",
  "ui_title_path" : true,
}

I have these plugins installed:

I'm on RHEL 7.9 with kernel: 3.10.0-1160.15.2.el7.x86_64

[Alexey-T]

1. This option

      "autocomplete_autoshow_chars": 3,

together with LSP Client. It may give slow work.

1. I have no repro yet...
2. You have shown the Windows screenshot?

[demanuel]

I will remove that option.

The cuda runs on RHEL. I'm connecting to the linux host via NX - it's similar as connecting to the linux box via ssh with X forwarding.

[Alexey-T]

I made new binaries with debug info! 2 binaries (linux x64, win x64) are here, 30M file
http://uvviewsoft.com/c/
I hope they can show more details in the crash error message?

[demanuel]

Thanks i will try them

[Alexey-T]

Updated files in that same URL. added: if error is in parser, then no message, but file instead! cudatext.error in home-dir (near the cudatext.exe on Win).
so after a bug - look if this file exists or not.

[demanuel]

I think it's because of the option "autocomplete_autoshow_chars": 3,.

If i enable it the cudatext (the oficial build) starts behaving weirdly. For example now it just froze, no error popup.

I'm trying to reproduce the issue now with the debug build.

[Alexey-T]

@halfbrained Let's repeat this issue. See my above comment here - I posted debug exe.

[demanuel]

With the debug version this appears in the output:

[FORMS.PP] ExceptionOccurred
Sender=EAccessViolation
Exception=Access violation
Stack trace:
$00007F02856F8588
$00007F02857013CF

But this is the case above (no popup).

EDIT: It seems to be the case. The autocompletion appears and the cudatext freezes. Second time in a row.
EDIT2: changing that option from user.json to the lexer seems to work without issues (but much slower) - but i need more tests.

[halfbrained]

Using debug binary.

Issue is reproducible - just typing import it will occasionally freeze.
In terminal on freeze appears similar stack trace as above. No other errors/dialogs.

commenting out ed.complete_alt(... in LSP-client "fixes" the issue

[Alexey-T]

Cannot see that freeze...

[demanuel]

Just got the Access Violation pop up with the debug version, without the "autocomplete_autoshow_chars": 3 in the configurations.

The error message is the same:

[FORMS.PP] ExceptionOccurred
Sender=EAccessViolation
Exception=Access violation
Stack trace:
$00007FF1EAD56588
$00007FF1EAD5F3C

[Alexey-T]

I found the reproduction. fixed! Pls take new beta from http://uvviewsoft.com/c/ (in zip - only binary).

[Alexey-T]

(To repro- we must press Space in the completion listbox).