Bug seems related to https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=887978, except that the message is a bit different
cannot load settings: Resource temporarily unavailable malloc(): invalid size (unsorted) Aborted instead of cannot load settings: Resource temporarily unavailable malloc(): memory corruption Aborted Output of gdb follows: (gdb) run Starting program: /usr/bin/solvespace [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/i386-linux-gnu/libthread_db.so.1". cannot load settings: Resource temporarily unavailable [New Thread 0xaf702b40 (LWP 20199)] malloc(): invalid size (unsorted) Thread 1 "solvespace" received signal SIGABRT, Aborted. 0xb7fd4d61 in __kernel_vsyscall () (gdb) bt #0 0xb7fd4d61 in __kernel_vsyscall () #1 0xb6c23382 in raise () from /lib/i386-linux-gnu/libc.so.6 #2 0xb6c0d2b6 in abort () from /lib/i386-linux-gnu/libc.so.6 #3 0xb6c64d2c in ?? () from /lib/i386-linux-gnu/libc.so.6 #4 0xb6c6baed in ?? () from /lib/i386-linux-gnu/libc.so.6 #5 0xb6c6e80b in ?? () from /lib/i386-linux-gnu/libc.so.6 #6 0xb6c70c34 in calloc () from /lib/i386-linux-gnu/libc.so.6 #7 0xb312b867 in ?? () from /usr/lib/i386-linux-gnu/dri/nouveau_dri.so #8 0xb2ec0ea9 in ?? () from /usr/lib/i386-linux-gnu/dri/nouveau_dri.so #9 0xb3445465 in ?? () from /usr/lib/i386-linux-gnu/dri/nouveau_dri.so #10 0xb3442e0f in ?? () from /usr/lib/i386-linux-gnu/dri/nouveau_dri.so #11 0xb339fea7 in ?? () from /usr/lib/i386-linux-gnu/dri/nouveau_dri.so #12 0xb329843e in ?? () from /usr/lib/i386-linux-gnu/dri/nouveau_dri.so #13 0xb3297e57 in ?? () from /usr/lib/i386-linux-gnu/dri/nouveau_dri.so #14 0xb334477f in ?? () from /usr/lib/i386-linux-gnu/dri/nouveau_dri.so #15 0x004df59f in SolveSpace::ssglLineWidth (width=<optimized out>) at ./src/glhelper.cpp:97 #16 0x004b2dc1 in SolveSpace::Entity::Draw (this=0xbd8b20, drawAsHidden=false) at ./src/drawentity.cpp:117 #17 0x004b2ece in SolveSpace::Entity::DrawAll (drawAsHidden=false) at ./src/drawentity.cpp:103 #18 0x0049d4d5 in SolveSpace::GraphicsWindow::Paint (this=<optimized out>) at ./src/draw.cpp:724 #19 0x0048470e in SolveSpace::GraphicsWidget::on_gl_draw (this=0xb4a180) at ./src/gtk/gtkmain.cpp:524 #20 0x00486f4f in SolveSpace::GlWidget::on_draw (cr=..., this=0xb4a180) at ./src/gtk/gtkmain.cpp:334 #21 SolveSpace::GlWidget::on_expose_event (this=<optimized out>) at ./src/gtk/gtkmain.cpp:350 #22 0xb7c8f579 in Gtk::Widget_Class::expose_event_callback(_GtkWidget*, _GdkEventExpose*) () from /lib/i386-linux-gnu/libgtkmm-2.4.so.1 #23 0xb76396e7 in ?? () from /lib/i386-linux-gnu/libgtk-x11-2.0.so.0 #24 0xb7274128 in g_closure_invoke () from /lib/i386-linux-gnu/libgobject-2.0.so.0 #25 0xb72873ed in ?? () from /lib/i386-linux-gnu/libgobject-2.0.so.0 #26 0xb7290961 in g_signal_emit_valist () from /lib/i386-linux-gnu/libgobject-2.0.so.0 #27 0xb7291425 in g_signal_emit () from /lib/i386-linux-gnu/libgobject-2.0.so.0 #28 0xb775b4d4 in ?? () from /lib/i386-linux-gnu/libgtk-x11-2.0.so.0 #29 0xb7637b71 in gtk_main_do_event () from /lib/i386-linux-gnu/libgtk-x11-2.0.so.0 #30 0xb74400ca in ?? () from /lib/i386-linux-gnu/libgdk-x11-2.0.so.0 #31 0xb7440077 in ?? () from /lib/i386-linux-gnu/libgdk-x11-2.0.so.0 #32 0xb7470f0c in ?? () from /lib/i386-linux-gnu/libgdk-x11-2.0.so.0 #33 0xb743c6d4 in ?? () from /lib/i386-linux-gnu/libgdk-x11-2.0.so.0 #34 0xb743d052 in gdk_window_process_all_updates () from /lib/i386-linux-gnu/libgdk-x11-2.0.so.0 #35 0xb75b8cc3 in ?? () from /lib/i386-linux-gnu/libgtk-x11-2.0.so.0 #36 0xb741a8c5 in ?? () from /lib/i386-linux-gnu/libgdk-x11-2.0.so.0 #37 0xb68a2e65 in g_main_context_dispatch () from /lib/i386-linux-gnu/libglib-2.0.so.0 #38 0xb68a3269 in ?? () from /lib/i386-linux-gnu/libglib-2.0.so.0 #39 0xb68a3609 in g_main_loop_run () from /lib/i386-linux-gnu/libglib-2.0.so.0 #40 0xb7636675 in gtk_main () from /lib/i386-linux-gnu/libgtk-x11-2.0.so.0 #41 0xb7c1ec8e in Gtk::Main::run(Gtk::Window&) () from /lib/i386-linux-gnu/libgtkmm-2.4.so.1 #42 0x004624bf in main (argc=<optimized out>, argv=<optimized out>) at /usr/include/c++/8/bits/unique_ptr.h:342 (gdb) quit ------------------- Please reclassify the severity of bug: it prevents me to use the program itself, but as far as I can see, it does not affect other parts of the system.