It is that time of the year again. :-) I am preparing the notes for students, using LyX of course.
I was copying and pasting between two documents (on a side by side view). Pasting some content (multi-paragraph) at the end of a paragraph I got a crash: ``` Paragraph.cpp (1957): pos: 33 size: 1 ( 1) src/lyx: lyx::doAssertWithCallstack(bool) ( 2) src/lyx: lyx::doBufErr(char const*, char const*, long) ( 3) src/lyx: lyx::Paragraph::getFontSettings(lyx::BufferParams const&, long) const ( 4) src/lyx: lyx::Paragraph::getFont(lyx::BufferParams const&, long, lyx::Font const&) const ( 5) src/lyx: lyx::Cursor::getFont() const ( 6) src/lyx: lyx::frontend::GuiInputMethod::toggleInputMethodAcceptance() ( 7) /lib64/libQt6Core.so.6: /lib64/libQt6Core.so.6(+0x3faa37) [0x7ff2adffaa37] ( 8) /lib64/libQt6Core.so.6: /lib64/libQt6Core.so.6(+0x3faa37) [0x7ff2adffaa37] ( 9) src/lyx: lyx::frontend::GuiApplication::processKeySym(lyx::KeySymbol const&, unsigned int) ( 10) /lib64/libQt6Core.so.6: /lib64/libQt6Core.so.6(+0x3fa4fc) [0x7ff2adffa4fc] ( 11) src/lyx: lyx::frontend::CompressorProxy::signal(lyx::KeySymbol const&, unsigned int) ( 12) /lib64/libQt6Core.so.6: QObject::event(QEvent*) ( 13) /lib64/libQt6Widgets.so.6: QApplicationPrivate::notify_helper(QObject*, QEvent*) ( 14) src/lyx: lyx::frontend::GuiApplication::notify(QObject*, QEvent*) ( 15) /lib64/libQt6Core.so.6: QCoreApplication::notifyInternal2(QObject*, QEvent*) ( 16) /lib64/libQt6Core.so.6: QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) ( 17) /lib64/libQt6Core.so.6: /lib64/libQt6Core.so.6(+0x6d765f) [0x7ff2ae2d765f] ( 18) /lib64/libglib-2.0.so.0: /lib64/libglib-2.0.so.0(+0xf84a4) [0x7ff2ad3b54a4] ( 19) /lib64/libglib-2.0.so.0: /lib64/libglib-2.0.so.0(+0xf9928) [0x7ff2ad3b6928] ( 20) /lib64/libglib-2.0.so.0: /lib64/libglib-2.0.so.0(g_main_context_iteration+0x33) [0x7ff2ad3b6a53] ( 21) /lib64/libQt6Core.so.6: QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) ( 22) /lib64/libQt6Core.so.6: QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) ( 23) /lib64/libQt6Core.so.6: QCoreApplication::exec() ( 24) src/lyx: lyx::LyX::exec(int&, char**) ( 25) src/lyx: src/lyx(main+0x43) [0x900e23] ( 26) /lib64/libc.so.6: /lib64/libc.so.6(+0x7d301) [0x7ff2ad681301] ( 27) /lib64/libc.so.6: /lib64/libc.so.6(__libc_start_main+0x88) [0x7ff2ad681418] ( 28) src/lyx: src/lyx(_start+0x25) [0x910735] ``` This happens running the latest 2.5.x branch: ``` Version 2.5.3 (Monday, 7 September 2026) Built from git commit hash b6a54136 Qt Version (run-time): 6.11.2 on platform wayland Qt Version (compile-time): 6.11.2 OS Version (run-time): Fedora Linux 45 (KDE Plasma Desktop Edition Prerelease) Python detected: 3.15.0rc2 (/usr/bin/python3) Draw strategy: partial draw on backing store ``` If this repeats I will run this inside the debugger. Best regards, ``` -- José Abílio ```
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