> > [:~]$ glxgears -info > > Xlib: extension "GLX" missing on display ":0.0". > > Error: couldn't get an RGB, Double-buffered visual > > [:~]$ > > And at this point it simply exits? >
Yes. > Do you have libgl1-mesa-dri or libgl1-mesa-swx11 installed? > Looks like libgl1-mesa-dri is installed. libgl1-mesa-swx11 is not installed. [:~]$ dpkg -l | grep libgl1-mesa ii libgl1-mesa-dri:amd64 8.0.5-6 amd64 free implementation of the OpenGL API -- DRI modules ii libgl1-mesa-glx:amd64 8.0.5-6 amd64 free implementation of the OpenGL API -- GLX runtime [:~]$ Could enter bt at this point? > As you wish! Program received signal SIGSEGV, Segmentation fault. 0x00000000005b9183 in PreviewIdentifyTool::setConstantOn(bool) () (gdb) bt #0 0x00000000005b9183 in PreviewIdentifyTool::setConstantOn(bool) () #1 0x000000000056040f in GLPreviewFrame::SetMode(int) () #2 0x00007ffff53aa3f6 in wxEvtHandler::ProcessEventIfMatches(wxEventTableEntryBase const&, wxEvtHandler*, wxEvent&) () from /usr/lib/x86_64-linux-gnu/libwx_baseu-2.8.so.0 #3 0x00007ffff53aa564 in wxEventHashTable::HandleEvent(wxEvent&, wxEvtHandler*) () from /usr/lib/x86_64-linux-gnu/libwx_baseu-2.8.so.0 #4 0x00007ffff53aa887 in wxEvtHandler::ProcessEvent(wxEvent&) () from /usr/lib/x86_64-linux-gnu/libwx_baseu-2.8.so.0 #5 0x00007ffff4f963d9 in wxWindowBase::TryParent(wxEvent&) () from /usr/lib/x86_64-linux-gnu/libwx_gtk2u_core-2.8.so.0 #6 0x00007ffff4f963d9 in wxWindowBase::TryParent(wxEvent&) () from /usr/lib/x86_64-linux-gnu/libwx_gtk2u_core-2.8.so.0 #7 0x00007ffff4f79f2b in wxNotebookBase::SendPageChangedEvent(int, int) () from /usr/lib/x86_64-linux-gnu/libwx_gtk2u_core-2.8.so.0 #8 0x00007fffef05c620 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 #9 0x00007fffef06dfde in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 #10 0x00007fffef075cd1 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 #11 0x00007fffef075f82 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 #12 0x00007ffff0779ef0 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0 #13 0x00007ffff0758f19 in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0 #14 0x00007fffef05c620 in g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 #15 0x00007fffef06db1b in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 #16 0x00007fffef075972 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 #17 0x00007fffef075f82 in g_signal_emit () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 #18 0x00007ffff0870e9e in ?? () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0 #19 0x00007ffff0757284 in gtk_propagate_event () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0 #20 0x00007ffff07575eb in gtk_main_do_event () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0 #21 0x00007ffff03cd80c in ?? () from /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0 #22 0x00007fffeeb96f25 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #23 0x00007fffeeb97268 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #24 0x00007fffeeb976da in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 #25 0x00007ffff07565e7 in gtk_main () from /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0 #26 0x00007ffff4ebc268 in wxEventLoop::Run() () from /usr/lib/x86_64-linux-gnu/libwx_gtk2u_core-2.8.so.0 #27 0x00007ffff4f2e33c in wxAppBase::MainLoop() () from /usr/lib/x86_64-linux-gnu/libwx_gtk2u_core-2.8.so.0 #28 0x00007ffff535c4e5 in wxEntry(int&, wchar_t**) () from /usr/lib/x86_64-linux-gnu/libwx_baseu-2.8.so.0 #29 0x00000000004c2dc2 in main () (gdb) Thanks! Charlie
