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[Vladimir Nadvornik <718116@xxxxxxxxxxxxxxxxxx>]

It looks like that boost::signals::trackable does not work at all. Even
the boost example fails for me.

http://svn.boost.org/svn/boost/trunk/libs/signals/example/button_click.cpp

Tested on openSUSE 11.3 and 11.4 with boost 1.42, 1.44, 1.46.
Can anybody test other systems?

nadvornik@sphinx2:~> wget http://svn.boost.org/svn/boost/trunk/libs/signals/example/button_click.cpp
nadvornik@sphinx2:~> gcc button_click.cpp -o button_click -lboost_signals
nadvornik@sphinx2:~> ./button_click 
OK!
OK!

# "OK!" should be printed just once

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https://bugs.launchpad.net/bugs/718116

Title:
  Opening Fast Preview Window crashes Hugin

Status in Hugin - Panorama Tools GUI:
  Confirmed

Bug description:
  Whenever I open the FPW, Hugin segfaults. I've attached the full
  backtrace of the segfault triggered by manually opening the FPW, but
  here are the top 19 lines (of 62):

  #0  0x00f7eae1 in wxWindow::DoSetSize(int, int, int, int, int) () from /usr/lib/libwx_gtk2u_core-2.8.so.0
  #1  0x01072584 in wxSizerItem::SetDimension(wxPoint const&, wxSize const&) () from /usr/lib/libwx_gtk2u_core-2.8.so.0
  #2  0x01072f6b in wxGridSizer::SetItemBounds(wxSizerItem*, int, int, int, int) () from /usr/lib/libwx_gtk2u_core-2.8.so.0
  #3  0x010740ff in wxFlexGridSizer::RecalcSizes() () from /usr/lib/libwx_gtk2u_core-2.8.so.0
  #4  0x010722d4 in wxSizer::Layout() () from /usr/lib/libwx_gtk2u_core-2.8.so.0
  #5  0x01072409 in wxSizer::SetDimension(int, int, int, int) () from /usr/lib/libwx_gtk2u_core-2.8.so.0
  #6  0x010725c1 in wxSizerItem::SetDimension(wxPoint const&, wxSize const&) () from /usr/lib/libwx_gtk2u_core-2.8.so.0
  #7  0x01073512 in wxBoxSizer::RecalcSizes() () from /usr/lib/libwx_gtk2u_core-2.8.so.0
  #8  0x010722d4 in wxSizer::Layout() () from /usr/lib/libwx_gtk2u_core-2.8.so.0
  #9  0x01072409 in wxSizer::SetDimension(int, int, int, int) () from /usr/lib/libwx_gtk2u_core-2.8.so.0
  #10 0x01084f55 in wxWindowBase::Layout() () from /usr/lib/libwx_gtk2u_core-2.8.so.0
  #11 0x0107ee45 in wxTopLevelWindowBase::DoLayout() () from /usr/lib/libwx_gtk2u_core-2.8.so.0
  #12 0x0107fd2d in wxTopLevelWindowBase::OnSize(wxSizeEvent&) () from /usr/lib/libwx_gtk2u_core-2.8.so.0
  #13 0x00d3dc2f in wxAppConsole::HandleEvent(wxEvtHandler*, void (wxEvtHandler::*)(wxEvent&), wxEvent&) const () from /usr/lib/libwx_baseu-2.8.so.0
  #14 0x00ddc089 in wxEvtHandler::ProcessEventIfMatches(wxEventTableEntryBase const&, wxEvtHandler*, wxEvent&) () from /usr/lib/libwx_baseu-2.8.so.0
  #15 0x00ddd134 in wxEventHashTable::HandleEvent(wxEvent&, wxEvtHandler*) () from /usr/lib/libwx_baseu-2.8.so.0
  #16 0x00ddd233 in wxEvtHandler::ProcessEvent(wxEvent&) () from /usr/lib/libwx_baseu-2.8.so.0
  #17 0x00fcaf65 in wxFrame::GtkOnSize() () from /usr/lib/libwx_gtk2u_core-2.8.so.0
  #18 0x00f73e03 in wxTopLevelWindowGTK::Show(bool) () from /usr/lib/libwx_gtk2u_core-2.8.so.0
  #19 0x080bb5f1 in MainFrame::OnToggleGLPreviewFrame(wxCommandEvent&) ()

  Running Ubuntu Maverick on an Intel DG45ID mobo with the G45 chipset
  and builtin GMA X4500HD GPU

  About→System says:

   Operating System: Linux 2.6.35-25-generic i686
   Architecture: 32 bit
   Free memory: -1738088 kiB

  Hugin
  Version: 2010.4.0.854952d82c8f
  Path to ressources: /usr/share/hugin/xrc/
  Path to data: /usr/share/hugin/data/

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