pcbnew crashes when adding module

[Fabio Varesano]

Pcbnew's KiCAD bzr 3150, on Archlinux fully updated crashes when using the "Add module" feature. Following backtrace. Let me know if you need any other detail.

(gdb) start
Temporary breakpoint 1 at 0x4a9410
Starting program: /usr/bin/pcbnew
[Thread debugging using libthread_db enabled]

Temporary breakpoint 1, 0x00000000004a9410 in main ()
(gdb) continue
Continuing.

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff64487ba in wxArrayString::Copy(wxArrayString const&) () from /usr/lib/libwx_baseu-2.8.so.0
(gdb) backtrace
#0 0x00007ffff64487ba in wxArrayString::Copy(wxArrayString const&) () from /usr/lib/libwx_baseu-2.8.so.0
#1 0x00007ffff644883a in wxArrayString::operator=(wxArrayString const&) () from /usr/lib/libwx_baseu-2.8.so.0
#2 0x00000000005a9e09 in PCB_BASE_FRAME::Select_1_Module_From_List(EDA_DRAW_FRAME*, wxString const&, wxString const&, wxString const&) ()
#3 0x00000000005aa95e in PCB_BASE_FRAME::Load_Module_From_Library(wxString const&, wxDC*) ()
#4 0x00000000005d1978 in PCB_EDIT_FRAME::OnLeftClick(wxDC*, wxPoint const&) ()
#5 0x00000000006b7996 in EDA_DRAW_PANEL::OnMouseEvent(wxMouseEvent&) ()
#6 0x00007ffff64793c5 in wxEvtHandler::ProcessEventIfMatches(wxEventTableEntryBase const&, wxEvtHandler*, wxEvent&) ()
   from /usr/lib/libwx_baseu-2.8.so.0
#7 0x00007ffff647952c in wxEventHashTable::HandleEvent(wxEvent&, wxEvtHandler*) () from /usr/lib/libwx_baseu-2.8.so.0
#8 0x00007ffff6479864 in wxEvtHandler::ProcessEvent(wxEvent&) () from /usr/lib/libwx_baseu-2.8.so.0
#9 0x00007ffff6479800 in wxEvtHandler::ProcessEvent(wxEvent&) () from /usr/lib/libwx_baseu-2.8.so.0
#10 0x00007ffff6c13195 in wxScrollHelperEvtHandler::ProcessEvent(wxEvent&) () from /usr/lib/libwx_gtk2u_core-2.8.so.0
#11 0x00007ffff6b18ee8 in ?? () from /usr/lib/libwx_gtk2u_core-2.8.so.0
#12 0x00007ffff37b70d8 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#13 0x00007ffff318e1fe in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0
#14 0x00007ffff319f08b in ?? () from /usr/lib/libgobject-2.0.so.0
#15 0x00007ffff31a856b in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#16 0x00007ffff31a8952 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#17 0x00007ffff38d0081 in ?? () from /usr/lib/libgtk-x11-2.0.so.0
#18 0x00007ffff37b52d3 in gtk_propagate_event () from /usr/lib/libgtk-x11-2.0.so.0
#19 0x00007ffff37b5633 in gtk_main_do_event () from /usr/lib/libgtk-x11-2.0.so.0
#20 0x00007ffff342a84c in ?? () from /usr/lib/libgdk-x11-2.0.so.0
#21 0x00007ffff2cb529d in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#22 0x00007ffff2cb5a78 in ?? () from /usr/lib/libglib-2.0.so.0
#23 0x00007ffff2cb60ba in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#24 0x00007ffff37b4687 in gtk_main () from /usr/lib/libgtk-x11-2.0.so.0
#25 0x00007ffff6b05e88 in wxEventLoop::Run() () from /usr/lib/libwx_gtk2u_core-2.8.so.0
#26 0x00007ffff6b7d4ab in wxAppBase::MainLoop() () from /usr/lib/libwx_gtk2u_core-2.8.so.0
#27 0x00007ffff642a4ab in wxEntry(int&, wchar_t**) () from /usr/lib/libwx_baseu-2.8.so.0
#28 0x00000000004a9422 in main ()
(gdb) quit

[Fabio Varesano (fabio-varesano)]

Thank you Wayne. I confirm the fixing of the issue. I'm impressed! Thanks!!!

[Wayne Stambaugh (stambaughw)]

On 9/27/2011 6:25 PM, Fabio Varesano wrote:
> Thank you Wayne. I confirm the fixing of the issue. I'm impressed!
> Thanks!!!
>
Your welcome but don't be too impressed. I caused the bug. It was the
classic assignment vs. copy issue when using the C++ = operator. It is
the way wxArrayString is designed. I really should have known better.

Wayne

[Wayne Stambaugh (stambaughw)]

On 9/27/2011 6:25 PM, Fabio Varesano wrote:
> Thank you Wayne. I confirm the fixing of the issue. I'm impressed!
> Thanks!!!
>
By the way Fabio, thank you for the great bug report. As soon as I saw
the stack trace, I knew were I made my mistake. I wish all bug reports
were this good. It would make my job a lot easier.

Thanks,

Wayne