id,summary,reporter,owner,description,type,status,priority,milestone,component,version,resolution,keywords,cc,port 60900,gr-fosphor @20200130-defdd4ac_0+python37: Illegal instruction: 4,jbaggs,michaelld,"gnuradio @3.8.1.0_0+docs+grc+python37+qtgui+sdl+swig+uhd+wavelet+zeromq MAC OS Catalina All flowgraphs with gr-fosphor block crash with the illegal instruction error after upgrading. {{{ Exception Type: EXC_BAD_INSTRUCTION (SIGILL) Exception Codes: 0x0000000000000001, 0x0000000000000000 Exception Note: EXC_CORPSE_NOTIFY Termination Signal: Illegal instruction: 4 Termination Reason: Namespace SIGNAL, Code 0x4 Terminating Process: exc handler [31876] Application Specific Information: -[NSOpenGLContext setView:] must be called from the main thread. #--------------->8(SNIP)8<---------------- Thread 11 Crashed: 0 com.apple.AppKit 0x00007fff3587c65c -[NSOpenGLContext setView:] + 229 1 libqcocoa.dylib 0x0000000127f17cd5 0x127ed5000 + 273621 2 libqcocoa.dylib 0x0000000127f17975 0x127ed5000 + 272757 3 org.qt-project.QtGui 0x0000000110f0966a QOpenGLContext::makeCurrent(QSurface*) + 148 4 org.qt-project.QtOpenGL 0x00000001133dda38 QGLContext::makeCurrent() + 100 5 org.qt-project.QtOpenGL 0x00000001133ddf42 QGLWidgetPrivate::makeCurrent() + 22 6 libgnuradio-fosphor.3.8.0git.dylib 0x00000001142a9f6a gr::fosphor::QGLSurface::grabContext() + 416 7 libgnuradio-fosphor.3.8.0git.dylib 0x00000001142aa73b non-virtual thunk to gr::fosphor::qt_sink_c_impl::glctx_init() + 21 8 libgnuradio-fosphor.3.8.0git.dylib 0x00000001142a6545 gr::fosphor::base_sink_c_impl::worker() + 25 9 libboost_thread-mt.dylib 0x00000001142fbc07 boost::(anonymous namespace)::thread_proxy(void*) + 119 10 libsystem_pthread.dylib 0x00007fff723a6109 _pthread_start + 148 11 libsystem_pthread.dylib 0x00007fff723a1b8b thread_start + 15 }}}",defect,assigned,Normal,,ports,2.6.3,,,chrstphrchvz ra1nb0w,gr-fosphor