Comment 2 for bug 768706

It still remains in PCBNew (rev 3082) and wxWidgets (rev 68903) and can't say what the real problem causes, because the backtrace is very long. Maybe Jean-Pierre or somebody else could have a look at it:

#0 0x00007fff88a57ce2 in __pthread_kill ()
#1 0x00007fff887a67d2 in pthread_kill ()
#2 0x00007fff88797a7a in abort ()
#3 0x00007fff868b97bc in abort_message ()
#4 0x00007fff868b6fdd in default_terminate ()
#5 0x00007fff8690787b in std::terminate ()
#6 0x0000000100383707 in PCB_EDIT_FRAME::Process_Special_Functions ()
#7 0x0000000100959cef in wxEvtHandler::ProcessEventIfMatchesId ()
#8 0x000000010095cf0b in wxEventHashTable::HandleEvent ()
#9 0x000000010095cf99 in wxEvtHandler::TryHereOnly ()
#10 0x000000010095c510 in wxEvtHandler::ProcessEvent ()
#11 0x000000010095cffa in wxEvtHandler::ProcessEventLocally ()
#12 0x000000010095c51f in wxEvtHandler::ProcessEvent ()
#13 0x0000000100aac81b in wxWindowBase::TryAfter ()
#14 0x000000010095c53c in wxEvtHandler::ProcessEvent ()
#15 0x0000000100acdcff in wxScrollHelperEvtHandler::ProcessEvent ()
#16 0x000000010095b66a in wxEvtHandler::SafelyProcessEvent ()
#17 0x0000000100aae430 in wxWindowBase::HandleWindowEvent ()
#18 0x0000000100a6d0bc in wxMenuBase::SendEvent ()
#19 0x000000010098dacf in wxMenu::HandleCommandProcess ()
#20 0x00007fff86f4711d in -[NSObject performSelector:withObject:] ()
#21 0x00007fff8bdec852 in -[NSApplication sendAction:to:from:] ()
#22 0x00007fff8bed934f in -[NSMenuItem _corePerformAction] ()
#23 0x00007fff8bed9086 in -[NSCarbonMenuImpl performActionWithHighlightingForItemAtIndex:] ()
#24 0x00007fff8c174e9c in -[NSMenu _internalPerformActionForItemAtIndex:] ()
#25 0x00007fff8c0073f1 in -[NSCarbonMenuImpl _carbonCommandProcessEvent:handlerCallRef:] ()
#26 0x00007fff8be530bf in NSSLMMenuEventHandler ()
#27 0x00007fff8cc948ec in DispatchEventToHandlers ()
#28 0x00007fff8cc93ef8 in SendEventToEventTargetInternal ()
#29 0x00007fff8ccaad03 in SendEventToEventTarget ()
#30 0x00007fff8ccf1249 in SendHICommandEvent ()
#31 0x00007fff8cdd80f1 in SendMenuCommandWithContextAndModifiers ()
#32 0x00007fff8ce1e5e1 in SendMenuItemSelectedEvent ()
#33 0x00007fff8ccea32d in FinishMenuSelection ()
#34 0x00007fff8ce16fed in PopUpMenuSelectCore ()
#35 0x00007fff8ce172ac in _HandlePopUpMenuSelection7 ()
#36 0x00007fff8c00a0bd in _NSSLMPopUpCarbonMenu3 ()
#37 0x00007fff8c3b102e in _NSPopUpCarbonMenu3 ()
#38 0x00007fff8c008222 in -[NSCarbonMenuImpl popUpMenu:atLocation:width:forView:withSelectedItem:withFont:withFlags:withOptions:] ()
#39 0x00007fff8c1e5b41 in -[NSPopUpButtonCell trackMouse:inRect:ofView:untilMouseUp:] ()
#40 0x00000001009dd7e2 in wxMenuCocoaImpl::PopUp ()
#41 0x0000000100977b44 in wxWindow::DoPopupMenu ()
#42 0x0000000100aac8d7 in wxWindowBase::PopupMenu ()
#43 0x000000010010e808 in wxWindowBase::PopupMenu ()
#44 0x000000010073ab39 in EDA_DRAW_PANEL::OnRightClick ()
#45 0x0000000100736c75 in EDA_DRAW_PANEL::OnMouseEvent ()
#46 0x0000000100959cef in wxEvtHandler::ProcessEventIfMatchesId ()
#47 0x000000010095cf0b in wxEventHashTable::HandleEvent ()
#48 0x000000010095cf99 in wxEvtHandler::TryHereOnly ()
#49 0x000000010095cfd8 in wxEvtHandler::ProcessEventLocally ()
#50 0x000000010095c51f in wxEvtHandler::ProcessEvent ()
#51 0x0000000100acdcff in wxScrollHelperEvtHandler::ProcessEvent ()
#52 0x000000010095b66a in wxEvtHandler::SafelyProcessEvent ()
#53 0x0000000100aae430 in wxWindowBase::HandleWindowEvent ()
#54 0x00000001009ee35e in wxWidgetCocoaImpl::DoHandleMouseEvent ()
#55 0x00000001009ecd33 in wxWidgetCocoaImpl::mouseEvent ()
#56 0x00007fff8bdb5ad2 in -[NSWindow sendEvent:] ()
#57 0x00000001009e11e6 in -[wxNSWindow sendEvent:] ()
#58 0x00007fff8bd4df19 in -[NSApplication sendEvent:] ()
#59 0x00007fff8bce442b in -[NSApplication run] ()
#60 0x00000001009d8448 in wxGUIEventLoop::DoRun ()
#61 0x000000010094525f in wxCFEventLoop::Run ()
#62 0x000000010087c72a in wxAppConsoleBase::MainLoop ()
#63 0x00000001009a5d31 in wxApp::OnRun ()
#64 0x00000001008dd056 in wxEntry ()
#65 0x0000000100491d54 in main ()