This crash happened when I clicked on the focus->preferences menu item while playing with script input fields. Using my init file.TeXmacs] With linked TrueType support TeXmacs] debug-shell, Launching 'tm_maxima 5.41.0 sbcl' Throwing segmentation fault ------------------------------------------------- Error message: segmentation fault System information: TeXmacs version : 1.99.7 Built by : builduser Building date : 2018-07-14T09:22:41 Operating system : linux-gnu Vendor : pc Processor : x86_64 Crash date : Mon Aug 13 23:29:26 EDT 2018 Editor status: Root path : [ 1 ] Current path : [ 1, 27, 0, 1, 0, 0, 3, 2, 1, 1, 0, 2 ] Shifted path : [ 1, 27, 0, 1, 0, 0, 3, 2, 1, 1, 0, 2 ] Physical selection : [ 1, 27, 0, 1, 0, 0, 3, 2, 1, 1, 0, 2 ] -- [ 1, 27, 0, 1, 0, 0, 3, 2, 1, 1, 0, 2 ] Backtrace of C++ stack: texmacs.bin : () + 0x427d29 texmacs.bin : () + 0x2c1c37 /usr/lib/libc.so.6 : () + 0x368f0 /usr/lib/libQt5Widgets.so.5 : () + 0x154c90 /usr/lib/libQt5Widgets.so.5 : QWidget::actions() const + 0x14 texmacs.bin : () + 0xc33ae3 texmacs.bin : () + 0xc34069 /usr/lib/libQt5Core.so.5 : QMetaObject::activate(QObject*, int, int, void**) + 0x77c /usr/lib/libQt5Widgets.so.5 : QMenu::popup(QPoint const&, QAction*) + 0xf0 /usr/lib/libQt5Widgets.so.5 : QMenu::internalDelayedPopup() + 0x33a /usr/lib/libQt5Core.so.5 : QObject::event(QEvent*) + 0x9b /usr/lib/libQt5Widgets.so.5 : QWidget::event(QEvent*) + 0x68c /usr/lib/libQt5Widgets.so.5 : QMenu::event(QEvent*) + 0x16c /usr/lib/libQt5Widgets.so.5 : QApplicationPrivate::notify_helper(QObject*, QEvent*) + 0x84 /usr/lib/libQt5Widgets.so.5 : QApplication::notify(QObject*, QEvent*) + 0x211 texmacs.bin : () + 0x64b56b /usr/lib/libQt5Core.so.5 : QCoreApplication::notifyInternal2(QObject*, QEvent*) + 0x179 /usr/lib/libQt5Core.so.5 : QTimerInfoList::activateTimers() + 0x42a /usr/lib/libQt5Core.so.5 : () + 0x2c4cca /usr/lib/libglib-2.0.so.0 : g_main_context_dispatch() + 0x2e8 /usr/lib/libglib-2.0.so.0 : () + 0x4c5b1 /usr/lib/libglib-2.0.so.0 : g_main_context_iteration() + 0x2e /usr/lib/libQt5Core.so.5 : QEventDispatcherGlib::processEvents(QFlags) + 0x69 /usr/lib/libQt5XcbQpa.so.5 : () + 0xd6722 /usr/lib/libQt5Core.so.5 : QEventLoop::exec(QFlags) + 0x13c /usr/lib/libQt5Core.so.5 : QCoreApplication::exec() + 0x96 texmacs.bin : () + 0x26bf04 /usr/lib/libguile.so.17 : () + 0x62e2f /usr/lib/libguile.so.17 : () + 0x3a44a /usr/lib/libguile.so.17 : scm_c_catch() + 0x258 /usr/lib/libguile.so.17 : scm_i_with_continuation_barrier() + 0xb4 /usr/lib/libguile.so.17 : scm_c_with_continuation_barrier() + 0x40 /usr/lib/libguile.so.17 : scm_i_with_guile_and_parent() + 0x36 /usr/lib/libguile.so.17 : scm_boot_guile() + 0x35 texmacs.bin : () + 0x247b69 /usr/lib/libc.so.6 : __libc_start_main() + 0xeb texmacs.bin : () + 0x26a63a ------------------------------------------------- Segmentation fault (core dumped) I got a similar crash with the followning warning: Using my init file.TeXmacs] With linked TrueType support libpng warning: iCCP: known incorrect sRGB profile libpng warning: iCCP: known incorrect sRGB profile libpng warning: iCCP: known incorrect sRGB profile libpng warning: iCCP: known incorrect sRGB profile libpng warning: iCCP: known incorrect sRGB profile libpng warning: iCCP: known incorrect sRGB profile libpng warning: iCCP: known incorrect sRGB profile libpng warning: iCCP: known incorrect sRGB profile TeXmacs] debug-shell, Launching 'tm_maxima 5.41.0 sbcl' malloc(): memory corruption Aborted (core dumped)