(gdb) run
Starting program: /usr/local/bin/prusa-slicer 
[Detaching after fork from child process 77000]
[Detaching after fork from child process 15820]
[New thread 572375 of process 92621]
[New thread 622124 of process 92621]
[New thread 472149 of process 92621]
[New thread 616162 of process 92621]
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[New thread 431684 of process 92621]
[New thread 231041 of process 92621]
[New thread 123966 of process 92621]
[New thread 197353 of process 92621]
[New thread 134291 of process 92621]
[New thread 152281 of process 92621]
[New thread 378300 of process 92621]
[New thread 259940 of process 92621]
[New thread 262726 of process 92621]
[New thread 122001 of process 92621]
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[New thread 425274 of process 92621]

Thread 1 "slic3r_main" received signal SIGSEGV, Segmentation fault.
0x000005ec349454e5 in ImFont::CalcTextSizeA (this=0x0, size=0, max_width=3.40282347e+38, wrap_width=-1, text_begin=0x5ec32e4089c "A", text_end=0x5ec32e4089d "", remaining=0x0) at /usr/obj/ports/prusaslicer-2.9.6/PrusaSlicer-version_2.9.6/bundled_deps/imgui/imgui/imgui_draw.cpp:3426
3426	    while (s < text_end)
(gdb) bt
#0  0x000005ec349454e5 in ImFont::CalcTextSizeA (this=0x0, size=0, max_width=3.40282347e+38, wrap_width=-1, text_begin=0x5ec32e4089c "A", text_end=0x5ec32e4089d "", remaining=0x0) at /usr/obj/ports/prusaslicer-2.9.6/PrusaSlicer-version_2.9.6/bundled_deps/imgui/imgui/imgui_draw.cpp:3426
#1  0x000005ec348f03ff in ImGui::CalcTextSize (text=0xffffffff <error: Cannot access memory at address 0xffffffff>, text_end=<optimized out>, hide_text_after_double_hash=<optimized out>, wrap_width=-1) at /usr/obj/ports/prusaslicer-2.9.6/PrusaSlicer-version_2.9.6/bundled_deps/imgui/imgui/imgui.cpp:4538
#2  0x000005ec3448ce06 in Slic3r::GUI::NotificationManager::HintNotification::count_spaces (this=0x5eed1135c80) at /usr/obj/ports/prusaslicer-2.9.6/PrusaSlicer-version_2.9.6/src/slic3r/GUI/HintNotification.cpp:571
#3  0x000005ec3448f1ae in Slic3r::GUI::NotificationManager::HintNotification::init (this=0x5ec32e4089c) at /usr/obj/ports/prusaslicer-2.9.6/PrusaSlicer-version_2.9.6/src/slic3r/GUI/HintNotification.cpp:729
#4  0x000005ec34490a01 in Slic3r::GUI::NotificationManager::HintNotification::retrieve_data (this=0x5eed1135c80, new_hint=<optimized out>) at /usr/obj/ports/prusaslicer-2.9.6/PrusaSlicer-version_2.9.6/src/slic3r/GUI/HintNotification.cpp:1068
#5  0x000005ec34460fd0 in Slic3r::GUI::NotificationManager::HintNotification::HintNotification (this=0x5eed1135c80, n=..., id_provider=..., evt_handler=<optimized out>, new_hint=<optimized out>) at /usr/obj/ports/prusaslicer-2.9.6/PrusaSlicer-version_2.9.6/src/slic3r/GUI/HintNotification.hpp:79
#6  0x000005ec3445ad25 in make_unique<Slic3r::GUI::NotificationManager::HintNotification, Slic3r::GUI::NotificationManager::NotificationData&, Slic3r::GUI::NotificationManager::NotificationIDProvider&, wxEvtHandler*&, bool&, 0> (__args=<optimized out>, __args=<optimized out>, __args=<optimized out>, __args=<optimized out>) at /usr/include/c++/v1/__memory/unique_ptr.h:756
#7  Slic3r::GUI::NotificationManager::push_hint_notification (this=0x5ee4f5bdd20, open_next=<optimized out>) at /usr/obj/ports/prusaslicer-2.9.6/PrusaSlicer-version_2.9.6/src/slic3r/GUI/NotificationManager.cpp:2838
#8  0x000005ec33d69b9f in Slic3r::GUI::GUI_App::post_init (this=0x5ee83a2fa00) at /usr/obj/ports/prusaslicer-2.9.6/PrusaSlicer-version_2.9.6/src/slic3r/GUI/GUI_App.cpp:842
#9  0x000005ec33d8bbb6 in Slic3r::GUI::GUI_App::on_init_inner()::$_7::operator()(wxIdleEvent&) const (this=<optimized out>, event=...) at /usr/obj/ports/prusaslicer-2.9.6/PrusaSlicer-version_2.9.6/src/slic3r/GUI/GUI_App.cpp:1673
#10 wxEventFunctorFunctor<wxEventTypeTag<wxIdleEvent>, Slic3r::GUI::GUI_App::on_init_inner()::$_7>::operator() (this=<optimized out>, event=...) at /usr/local/include/wx-3.2/wx/event.h:549
#11 0x000005ee4e6d82b0 in wxEvtHandler::SearchDynamicEventTable(wxEvent&) () from /usr/local/lib/libwx_baseu-3.2.so.0.2
#12 0x000005ee4e6d7f30 in wxEvtHandler::ProcessEventLocally(wxEvent&) () from /usr/local/lib/libwx_baseu-3.2.so.0.2
#13 0x000005ee4e6d7dc1 in wxEvtHandler::ProcessEvent(wxEvent&) () from /usr/local/lib/libwx_baseu-3.2.so.0.2
#14 0x000005ee4e6d7bbd in wxEvtHandler::SafelyProcessEvent(wxEvent&) () from /usr/local/lib/libwx_baseu-3.2.so.0.2
#15 0x000005ee4e58364c in wxAppConsoleBase::ProcessIdle() () from /usr/local/lib/libwx_baseu-3.2.so.0.2
#16 0x000005eebd6a6647 in wxAppBase::ProcessIdle() () from /usr/local/lib/libwx_gtk3u_core-3.2.so.0.2
#17 0x000005eebd5ba305 in wxApp::DoIdle() () from /usr/local/lib/libwx_gtk3u_core-3.2.so.0.2
#18 0x000005eebd5bbf85 in wxapp_idle_callback(void*) () from /usr/local/lib/libwx_gtk3u_core-3.2.so.0.2
#19 0x000005ee55fdbf8c in g_main_context_dispatch_unlocked () from /usr/local/lib/libglib-2.0.so.4201.16
#20 0x000005ee55fdc462 in g_main_context_iterate_unlocked () from /usr/local/lib/libglib-2.0.so.4201.16
#21 0x000005ee55fdc86a in g_main_loop_run () from /usr/local/lib/libglib-2.0.so.4201.16
#22 0x000005eead7bb17b in gtk_main () from /usr/local/lib/libgtk-3.so.2201.0
#23 0x000005eebd5d6405 in wxGUIEventLoop::DoRun() () from /usr/local/lib/libwx_gtk3u_core-3.2.so.0.2
#24 0x000005ee4e5c419e in wxEventLoopBase::Run() () from /usr/local/lib/libwx_baseu-3.2.so.0.2
#25 0x000005ee4e583299 in wxAppConsoleBase::MainLoop() () from /usr/local/lib/libwx_baseu-3.2.so.0.2
#26 0x000005ee4e609d10 in wxEntry(int&, wchar_t**) () from /usr/local/lib/libwx_baseu-3.2.so.0.2
#27 0x000005ec33d6479e in Slic3r::GUI::GUI_Run (params=...) at /usr/obj/ports/prusaslicer-2.9.6/PrusaSlicer-version_2.9.6/src/slic3r/GUI/GUI_Init.cpp:71
#28 0x000005ec3320fe1c in Slic3r::CLI::run (argc=1, argv=0x75a359369728) at /usr/obj/ports/prusaslicer-2.9.6/PrusaSlicer-version_2.9.6/src/CLI/Run.cpp:42
#29 0x000005ec3319c89b in _start ()