OK, from the duplicate bug I can see the common theme. We either have buggy toolkits, or just some legacy apps expect to create "modal" dialogs without a parent window. I'm not sure if that's an app bug, but Mir will certainly abort() if you ask for that.
** Summary changed: - synfigstudio crashed with SIGABRT in require() from mir_create_modal_dialog_window_spec() from mir_connection_create_spec_for_modal_dialog() + Legacy apps are crashing in mir_create_modal_dialog_window_spec() due to NULL parent pointer ** Also affects: qtubuntu (Ubuntu) Importance: Undecided Status: New ** Also affects: kdenlive (Ubuntu) Importance: Undecided Status: New ** Changed in: mir Importance: Medium => High ** Changed in: kdenlive (Ubuntu) Importance: Undecided => High ** Changed in: mir (Ubuntu) Importance: Medium => High ** Changed in: qtubuntu (Ubuntu) Importance: Undecided => High ** Changed in: synfigstudio (Ubuntu) Importance: Undecided => High ** Summary changed: - Legacy apps are crashing in mir_create_modal_dialog_window_spec() due to NULL parent pointer + Legacy apps are crashing with SIGABRT in mir_create_modal_dialog_window_spec() due to NULL parent pointer ** Changed in: mir Milestone: None => 1.0.0 -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gtk+3.0 in Ubuntu. https://bugs.launchpad.net/bugs/1666178 Title: Legacy apps are crashing with SIGABRT in mir_create_modal_dialog_window_spec() due to NULL parent pointer To manage notifications about this bug go to: https://bugs.launchpad.net/mir/+bug/1666178/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs