On Tue, Sep 08 2026, Nam Nguyen wrote: > On Mon, Sep 07, 2026, at 04:59 a.m. +0200, louigi 600 wrote: > >>>Description: >> before last path I was actually using pruca slicer nearly normall. itr >> just required hacking the config from linux because it >> refused to create a default config. After I ran uptades starting rusa-slicer >> now gives me segfault complaining about >> [0x000008b14b4f3628] [error] UserAccount: Failed to read token - no >> datafile found. > > Thank you for the report. Here is an inline diff that: > - fixes segfault in ImFont::CalcTextSizeA > - updates patches with churn > - bumps REVISION > > Steps to reproduce: > 1) pkg_add prusaslicer > 2) pkg_add debug-prusaslicer > 3) raise limits in login.conf as suggested in README > 4) egdb prusa-slicer > 5) repeatedly start program; sometimes it crashes on startup but > sometimes it works > > backtrace: > https://messagemode2.com/paste/paste309264400.txt > > This is a segfault in ImFont::CalcTextSizeA. From what I researched it > seems like imgui font was not initialized properly? > see: > https://github.com/prusa3d/PrusaSlicer/issues/9774 > https://github.com/ocornut/imgui/issues/4769 > > Also the comment in GUI_App.cpp pointed me there: > + // Since issue #9774 Where same problem occured on MacOS Ventura, we > decided to have this check on MacOS as well. > > `make update-patches' warning seems fine because it is caused by the > original file: > *** Patch for src/CLI/Setup.cpp misses newline at end of file > $ od -c Setup.cpp.orig.port > ... > 0033600 \n } > 0033602 > > I tried this fix and it seems to work without any crashes on startup. I > was able to download a printables model for a seimitsu ls-56 joystick > throw reducer mod. > > https://messagemode2.com/public/ls56.jpg > > I do not have a 3D printer though. Feedback and tests are welcome. OK? > > Index: Makefile > =================================================================== > RCS file: /cvs/ports/cad/prusaslicer/Makefile,v > diff -u -p -u -p -r1.33 Makefile > --- Makefile 25 Aug 2026 18:06:24 -0000 1.33 > +++ Makefile 8 Sep 2026 08:03:19 -0000 > @@ -4,6 +4,7 @@ DPB_PROPERTIES = parallel > > V = 2.9.6 > PKGNAME = prusaslicer-${V} > +REVISION = 0 > > GH_ACCOUNT = prusa3d > GH_PROJECT = PrusaSlicer > Index: patches/patch-bundled_deps_CMakeLists_txt > =================================================================== > RCS file: > /cvs/ports/cad/prusaslicer/patches/patch-bundled_deps_CMakeLists_txt,v > diff -u -p -u -p -r1.2 patch-bundled_deps_CMakeLists_txt > --- patches/patch-bundled_deps_CMakeLists_txt 13 Mar 2025 10:29:08 -0000 > 1.2 > +++ patches/patch-bundled_deps_CMakeLists_txt 8 Sep 2026 08:03:19 -0000 > @@ -1,7 +1,7 @@ > Index: bundled_deps/CMakeLists.txt > --- bundled_deps/CMakeLists.txt.orig > +++ bundled_deps/CMakeLists.txt > -@@ -48,5 +48,4 @@ target_include_directories(tcbspan INTERFACE tcbspan) > +@@ -50,5 +50,4 @@ add_subdirectory(prusa_fdm_mixer) > > if (SLIC3R_GUI) > add_subdirectory(imgui) > Index: patches/patch-src_CMakeLists_txt > =================================================================== > RCS file: /cvs/ports/cad/prusaslicer/patches/patch-src_CMakeLists_txt,v > diff -u -p -u -p -r1.7 patch-src_CMakeLists_txt > --- patches/patch-src_CMakeLists_txt 13 Mar 2025 10:29:08 -0000 1.7 > +++ patches/patch-src_CMakeLists_txt 8 Sep 2026 08:03:19 -0000 > @@ -1,7 +1,7 @@ > Index: src/CMakeLists.txt > --- src/CMakeLists.txt.orig > +++ src/CMakeLists.txt > -@@ -167,6 +167,8 @@ if (SLIC3R_GUI) > +@@ -168,6 +168,8 @@ if (SLIC3R_GUI) > target_link_libraries(PrusaSlicer PRIVATE ws2_32 uxtheme setupapi) > elseif (APPLE) > target_link_libraries(PrusaSlicer PRIVATE "-framework OpenGL") > Index: patches/patch-src_libslic3r_CMakeLists_txt > =================================================================== > RCS file: > /cvs/ports/cad/prusaslicer/patches/patch-src_libslic3r_CMakeLists_txt,v > diff -u -p -u -p -r1.8 patch-src_libslic3r_CMakeLists_txt > --- patches/patch-src_libslic3r_CMakeLists_txt 15 Feb 2026 00:20:27 > -0000 1.8 > +++ patches/patch-src_libslic3r_CMakeLists_txt 8 Sep 2026 08:03:19 > -0000 > @@ -1,7 +1,7 @@ > Index: src/libslic3r/CMakeLists.txt > --- src/libslic3r/CMakeLists.txt.orig > +++ src/libslic3r/CMakeLists.txt > -@@ -606,6 +606,7 @@ endif () > +@@ -616,6 +616,7 @@ endif () > > encoding_check(libslic3r) > > Index: patches/patch-src_slic3r_CMakeLists_txt > =================================================================== > RCS file: /cvs/ports/cad/prusaslicer/patches/patch-src_slic3r_CMakeLists_txt,v > diff -u -p -u -p -r1.9 patch-src_slic3r_CMakeLists_txt > --- patches/patch-src_slic3r_CMakeLists_txt 22 Jun 2025 12:36:59 -0000 > 1.9 > +++ patches/patch-src_slic3r_CMakeLists_txt 8 Sep 2026 08:03:19 -0000 > @@ -1,7 +1,7 @@ > Index: src/slic3r/CMakeLists.txt > --- src/slic3r/CMakeLists.txt.orig > +++ src/slic3r/CMakeLists.txt > -@@ -397,7 +397,7 @@ set(SLIC3R_GUI_SOURCES > +@@ -409,7 +409,7 @@ set(SLIC3R_GUI_SOURCES > ) > > find_package(NanoSVG REQUIRED) > @@ -10,7 +10,7 @@ Index: src/slic3r/CMakeLists.txt > find_package(OpenSSL REQUIRED) > endif() > > -@@ -438,6 +438,9 @@ endforeach() > +@@ -450,6 +450,9 @@ endforeach() > > encoding_check(libslic3r_gui) > > @@ -20,7 +20,7 @@ Index: src/slic3r/CMakeLists.txt > target_link_libraries( > libslic3r_gui > PUBLIC > -@@ -461,7 +464,7 @@ target_link_libraries( > +@@ -473,7 +476,7 @@ target_link_libraries( > > if (MSVC) > target_link_libraries(libslic3r_gui PUBLIC Setupapi.lib) > @@ -29,7 +29,7 @@ Index: src/slic3r/CMakeLists.txt > target_link_libraries(libslic3r_gui PUBLIC > ${DBus1_LIBRARIES} > OpenSSL::SSL > -@@ -488,7 +491,7 @@ if (UNIX AND NOT APPLE) > +@@ -500,7 +503,7 @@ if (UNIX AND NOT APPLE) > find_package(GTK${SLIC3R_GTK} REQUIRED) > find_package(PkgConfig REQUIRED) > > Index: patches/patch-src_slic3r_GUI_GUI_App_cpp > =================================================================== > RCS file: patches/patch-src_slic3r_GUI_GUI_App_cpp > diff -N patches/patch-src_slic3r_GUI_GUI_App_cpp > --- /dev/null 1 Jan 1970 00:00:00 -0000 > +++ patches/patch-src_slic3r_GUI_GUI_App_cpp 8 Sep 2026 08:03:19 -0000 > @@ -0,0 +1,17 @@ > +segfault in ImFont::CalcTextSizeA > + > +see: > +https://github.com/prusa3d/PrusaSlicer/issues/9774 > + > +Index: src/slic3r/GUI/GUI_App.cpp > +--- src/slic3r/GUI/GUI_App.cpp.orig > ++++ src/slic3r/GUI/GUI_App.cpp > +@@ -1660,7 +1660,7 @@ bool GUI_App::on_init_inner() > + // and wxEVT_SET_FOCUS before GUI_App::post_init is called) wasn't > called before GUI_App::post_init and OpenGL wasn't initialized. > + // Since issue #9774 Where same problem occured on MacOS Ventura, > we decided to have this check on MacOS as well. > + > +-#if defined(__linux__) || defined(__APPLE__) > ++#if defined(__linux__) || defined(__APPLE__) || defined(__OpenBSD__) > + if (!m_post_initialized && m_opengl_initialized) { > + #else > + if (!m_post_initialized) { > Index: patches/patch-src_slic3r_GUI_GUI_Factories_cpp > =================================================================== > RCS file: > /cvs/ports/cad/prusaslicer/patches/patch-src_slic3r_GUI_GUI_Factories_cpp,v > diff -u -p -u -p -r1.5 patch-src_slic3r_GUI_GUI_Factories_cpp > --- patches/patch-src_slic3r_GUI_GUI_Factories_cpp 13 Mar 2025 10:29:08 > -0000 1.5 > +++ patches/patch-src_slic3r_GUI_GUI_Factories_cpp 8 Sep 2026 08:03:19 > -0000 > @@ -1,7 +1,7 @@ > Index: src/slic3r/GUI/GUI_Factories.cpp > --- src/slic3r/GUI/GUI_Factories.cpp.orig > +++ src/slic3r/GUI/GUI_Factories.cpp > -@@ -1500,7 +1500,7 @@ void MenuFactory::sys_color_changed(wxMenuBar* menubar > +@@ -1519,7 +1519,7 @@ void MenuFactory::sys_color_changed(wxMenuBar* menubar > for (size_t id = 0; id < menubar->GetMenuCount(); id++) { > wxMenu* menu = menubar->GetMenu(id); > sys_color_changed_menu(menu); > Index: patches/patch-src_slic3r_GUI_UserAccountCommunication_cpp > =================================================================== > RCS file: > /cvs/ports/cad/prusaslicer/patches/patch-src_slic3r_GUI_UserAccountCommunication_cpp,v > diff -u -p -u -p -r1.4 patch-src_slic3r_GUI_UserAccountCommunication_cpp > --- patches/patch-src_slic3r_GUI_UserAccountCommunication_cpp 13 Mar 2025 > 10:29:08 -0000 1.4 > +++ patches/patch-src_slic3r_GUI_UserAccountCommunication_cpp 8 Sep 2026 > 08:03:19 -0000 > @@ -28,7 +28,7 @@ Index: src/slic3r/GUI/UserAccountCommuni > // If we can't store the tokens in secret store, store them in > file with chmod 600 > boost::filesystem::path > target(boost::filesystem::path(Slic3r::data_dir()) / "UserAccount.dat") ; > std::string data = "||||"; > -@@ -640,7 +640,7 @@ void UserAccountCommunication::read_stored_data(UserAc > +@@ -663,7 +663,7 @@ void UserAccountCommunication::read_stored_data(UserAc > } > result.shared_session_key = key0; > } else {
Diff looks good to me. Thanks for looking into it.
