See also: https://discuss.pixls.us/t/rt-5-1-macosx-10-12-5-crash-when-i-edit-an-…image/4320
About this build
```
Version: 5.1
Branch: 5.1
Commit: f23d70fd
Commit date: 2017-05-15
Compiler: clang-mp-3 3.9.1
Processor: generic x86
System: Apple
Bit depth: 64 bits
Gtkmm: V3.16.0
Build type: debug
Build flags: -arch x86_64 -O0 -std=c++11 -mtune=generic -Werror=unused-label -mmacosx-version-min=10.9 -fopenmp=libomp -Werror=unknown-pragmas -Wall -Wno-unused-result -Wno-deprecated-declarations -g
Link flags: -mtune=generic -headerpad_max_install_names
OpenMP support: ON
MMAP support: ON
```
System: MacOS Sierra
How to reproduce, try to open certain tiffs or jpgs like this one: https://filebin.net/goedpl7mm56wf7mj/rt51a.tif
or this one:
https://filebin.net/goedpl7mm56wf7mj/cuChi2016school-Sat.jpg
The crash and bt
```
Assertion failed: (!scaled_font->cache_frozen), function _cairo_scaled_glyph_page_destroy, file cairo-scaled-font.c, line 459.
Process 83376 stopped
* thread #1, queue = 'com.apple.main-thread', stop reason = signal SIGABRT
frame #0: 0x00007fff9ab4dd42 libsystem_kernel.dylib`__pthread_kill + 10
libsystem_kernel.dylib`__pthread_kill:
-> 0x7fff9ab4dd42 <+10>: jae 0x7fff9ab4dd4c ; <+20>
0x7fff9ab4dd44 <+12>: movq %rax, %rdi
0x7fff9ab4dd47 <+15>: jmp 0x7fff9ab46caf ; cerror_nocancel
0x7fff9ab4dd4c <+20>: retq
(lldb) bt
* thread #1, queue = 'com.apple.main-thread', stop reason = signal SIGABRT
* frame #0: 0x00007fff9ab4dd42 libsystem_kernel.dylib`__pthread_kill + 10
frame #1: 0x00007fff9ac3b457 libsystem_pthread.dylib`pthread_kill + 90
frame #2: 0x00007fff9aab3420 libsystem_c.dylib`abort + 129
frame #3: 0x00007fff9aa7a893 libsystem_c.dylib`__assert_rtn + 320
frame #4: 0x0000000102a48dc7 libcairo.2.dylib`_cairo_scaled_glyph_page_destroy + 155
frame #5: 0x0000000102a4b3e4 libcairo.2.dylib`_cairo_scaled_font_free_last_glyph + 146
frame #6: 0x0000000102a4a535 libcairo.2.dylib`_cairo_scaled_glyph_lookup + 559
frame #7: 0x0000000102a4abdb libcairo.2.dylib`_cairo_scaled_font_glyph_path + 128
frame #8: 0x0000000102a1d8d1 libcairo.2.dylib`_cairo_gstate_glyph_path + 203
frame #9: 0x0000000102a124a7 libcairo.2.dylib`cairo_glyph_path + 42
frame #10: 0x000000010295b426 libpangocairo-1.0.0.dylib`pango_cairo_renderer_show_text_glyphs + 778
frame #11: 0x000000010295ab2e libpangocairo-1.0.0.dylib`pango_cairo_renderer_draw_glyphs + 38
frame #12: 0x0000000102986daa libpango-1.0.0.dylib`pango_renderer_draw_glyphs + 66
frame #13: 0x00000001029867ce libpango-1.0.0.dylib`pango_renderer_draw_layout_line + 750
frame #14: 0x00000001029863e7 libpango-1.0.0.dylib`pango_renderer_draw_layout + 236
frame #15: 0x000000010295a8e0 libpangocairo-1.0.0.dylib`_pango_cairo_do_layout + 59
frame #16: 0x000000010030f34e rawtherapee-bin`ImageArea::setInfoText(this=0x000000010f24d030, text=(string_ = " Unknown + \n<span size=\"small\">f/</span><span size=\"large\">0.0</span> <span size=\"large\">0.0</span><span size=\"small\">s</span> <span size=\"small\">ISO</span><span size=\"large\">0</span> <span size=\"large\">0.00</span><span size=\"small\">mm</span>\n<span size=\"small\">/Users/tune/Desktop/</span><span>rt51a.tif</span>\n<span size=\"small\"> 2.0 MP (1400x1400)</span>")) at imagearea.cc:186
frame #17: 0x00000001001b1c26 rawtherapee-bin`EditorPanel::info_toggled(this=0x000000010bf57c90) at editorpanel.cc:1306
frame #18: 0x00000001001bc6c1 rawtherapee-bin`EditorPanel::open(this=0x000000010bf57c90, tmb=0x0000000127ab5200, isrc=0x000000010f42b3f0) at editorpanel.cc:988
frame #19: 0x0000000100274ea9 rawtherapee-bin`FilePanel::imageLoaded(this=0x0000000106d57bf0, thm=0x0000000127ab5200, pc=0x000000010ded9d20) at filepanel.cc:290
frame #20: 0x000000010027ce5c rawtherapee-bin`sigc::bound_mem_functor2<bool, FilePanel, Thumbnail*, ProgressConnector<rtengine::InitialImage*>*>::operator(this=0x000000010bb0f820, _A_a1=0x000000010bb0f840, _A_a2=0x000000010bb0f848)(Thumbnail* const&, ProgressConnector<rtengine::InitialImage*>* const&) const at mem_fun.h:1927
frame #21: 0x000000010027cda4 rawtherapee-bin`sigc::adaptor_functor<sigc::bound_mem_functor2<bool, FilePanel, Thumbnail*, ProgressConnector<rtengine::InitialImage*>*> >::deduce_result_type<Thumbnail*&, ProgressConnector<rtengine::InitialImage*>*&, void, void, void, void, void>::type sigc::adaptor_functor<sigc::bound_mem_functor2<bool, FilePanel, Thumbnail*, ProgressConnector<rtengine::InitialImage*>*> >::operator(this=0x000000010bb0f818, _A_arg1=0x000000010bb0f840, _A_arg2=0x000000010bb0f848)<Thumbnail*&, ProgressConnector<rtengine::InitialImage*>*&>(Thumbnail*&, ProgressConnector<rtengine::InitialImage*>*&) const at adaptor_trait.h:108
frame #22: 0x000000010027cd62 rawtherapee-bin`sigc::bind_functor<-1, sigc::bound_mem_functor2<bool, FilePanel, Thumbnail*, ProgressConnector<rtengine::InitialImage*>*>, Thumbnail*, ProgressConnector<rtengine::InitialImage*>*, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil>::operator(this=0x000000010bb0f810)() at bind.h:1339
frame #23: 0x000000010027cd01 rawtherapee-bin`sigc::internal::slot_call0<sigc::bind_functor<-1, sigc::bound_mem_functor2<bool, FilePanel, Thumbnail*, ProgressConnector<rtengine::InitialImage*>*>, Thumbnail*, ProgressConnector<rtengine::InitialImage*>*, sigc::nil, sigc::nil, sigc::nil, sigc::nil, sigc::nil>, bool>::call_it(rep=0x000000010bb0f7e0) at slot.h:103
frame #24: 0x00000001001c8e25 rawtherapee-bin`sigc::internal::signal_emit0<bool, sigc::nil>::emit(impl=0x00000001035b8e50) at signal.h:687
frame #25: 0x00000001001c88d9 rawtherapee-bin`sigc::signal0<bool, sigc::nil>::emit(this=0x000000010a2c4df0) const at signal.h:2679
frame #26: 0x000000010027a1fd rawtherapee-bin`ProgressConnector<rtengine::InitialImage*>::emitEndSignalUI(data=0x000000010a2c4df0) at progressconnector.h:78
frame #27: 0x00000001028cb931 libgdk-3.0.dylib`gdk_threads_dispatch + 50
frame #28: 0x0000000101cdf48e libglib-2.0.0.dylib`g_main_context_dispatch + 279
frame #29: 0x0000000101cdf77d libglib-2.0.0.dylib`g_main_context_iterate + 413
frame #30: 0x0000000101cdf9d3 libglib-2.0.0.dylib`g_main_loop_run + 207
frame #31: 0x00000001023e397a libgtk-3.0.dylib`gtk_main + 74
frame #32: 0x0000000101e1c49a libgtkmm-3.0.1.dylib`Gtk::Main::run(Gtk::Window&) + 156
frame #33: 0x00000001003604c3 rawtherapee-bin`main(argc=1, argv=0x00007fff5fbff4b0) at main.cc:386
frame #34: 0x00007fff9aa1f235 libdyld.dylib`start + 1
```
@partha1b @ion12 does that look like a familiar bug?