Strangely, I seem only to be getting this on one machine. But nonetheless:
#0 __gnu_debug::_Safe_iterator<__gnu_norm::_Bit_iterator,
__gnu_debug_def::vector<bool, std::allocator<bool> > >::_M_is_end
(this=0x7fff8e4ec660) at
/usr/lib/gcc/x86_64-redhat-linux/4.1.2/../../../../include/c++/4.1.2/debug/safe_base.h:104
#1 0x00000000007c023c in
__gnu_debug::_Safe_iterator<__gnu_norm::_Bit_iterator,
__gnu_debug_def::vector<bool, std::allocator<bool> > >::operator*
(this=0x7fff8e4ec660) at
/usr/lib/gcc/x86_64-redhat-linux/4.1.2/../../../../include/c++/4.1.2/debug/safe_iterator.h:336
#2 0x00000000007c1565 in
std::fill<__gnu_debug::_Safe_iterator<__gnu_norm::_Bit_iterator,
__gnu_debug_def::vector<bool, std::allocator<bool> > >, bool>
([EMAIL PROTECTED], [EMAIL PROTECTED], __value=<value
optimized out>) at
/usr/lib/gcc/x86_64-redhat-linux/4.1.2/../../../../include/c++/4.1.2/bits/stl_algobase.h:543
#3 0x00000000007b4859 in lyx::Graph::bfs_init (this=0x135f188, s=41,
clear_visited=<value optimized out>) at Graph.cpp:31
#4 0x00000000007b6fe0 in lyx::Graph::getReachableTo (this=0x135f188,
target=41, clear_visited=58) at Graph.cpp:44
#5 0x0000000000718afc in lyx::Converters::getReachableTo
(this=0x135f148, target=<value optimized out>, clear_visited=true) at
Converter.cpp:647
#6 0x000000000071ceae in lyx::Converters::importableFormats
(this=0x135f148) at Converter.cpp:683
#7 0x0000000000b0cd0d in expandFormats (this=0x16455a0, kind=<value
optimized out>, buf=0x0) at Menus.cpp:689
#8 0x0000000000b0e673 in expand (this=0x13c8440, [EMAIL PROTECTED],
[EMAIL PROTECTED], buf=0x0) at Menus.cpp:1272
#9 0x0000000000b0e8ed in expand (this=0x13c8440, [EMAIL PROTECTED],
[EMAIL PROTECTED], buf=0x0) at Menus.cpp:1314
#10 0x0000000000b0e8ed in expand (this=0x13c8440, [EMAIL PROTECTED],
[EMAIL PROTECTED], buf=0x0) at Menus.cpp:1314
#11 0x0000000000b0f1bf in lyx::frontend::Menus::fillMenuBar
(this=0x1367f60, view=0x14851d0) at Menus.cpp:1462
#12 0x0000000000ad2f51 in GuiView (this=0x14851d0, id=<value optimized
out>) at GuiView.cpp:281
#13 0x0000000000aa9b57 in lyx::frontend::GuiApplication::createView
(this=0x1365de0, geometry_arg=<value optimized out>) at
GuiApplication.cpp:322
#14 0x0000000000aa9c9e in lyx::frontend::GuiApplication::dispatch
(this=0x1365de0, cmd=<value optimized out>) at GuiApplication.cpp:252
#15 0x0000000000527d01 in lyx::LyXFunc::dispatch (this=0x135ee70,
[EMAIL PROTECTED]) at LyXFunc.cpp:1656
#16 0x00000000004ee3e5 in lyx::LyX::execBatchCommands
(this=0x7fff8e4f7a40) at LyX.cpp:606
#17 0x0000000000aa2ead in
lyx::frontend::GuiApplication::execBatchCommands (this=<value optimized
out>) at GuiApplication.cpp:377
#18 0x0000000000aa336f in lyx::frontend::GuiApplication::qt_metacall
(this=0x1365de0, _c=QMetaObject::InvokeMetaMethod, _id=0,
_a=0x7fff8e4f5ad0) at GuiApplication_moc.cpp:70
#19 0x00000030cb8f3af1 in QMetaObject::activate () from
/usr/lib64/libQtCore.so.4
#20 0x00000030cb8f8e0f in QAbstractItemModel::sort () from
/usr/lib64/libQtCore.so.4
#21 0x00000030cb8f03c6 in QObject::event () from /usr/lib64/libQtCore.so.4
#22 0x00000030d2b9199c in QApplicationPrivate::notify_helper () from
/usr/lib64/libQtGui.so.4
#23 0x00000030d2b97780 in QApplication::notify () from
/usr/lib64/libQtGui.so.4
#24 0x0000000000aa917e in lyx::frontend::GuiApplication::notify
(this=0x7fff8e4ebbd0, receiver=0x13e6120, event=0x0) at
GuiApplication.cpp:467
#25 0x00000030cb8e34f0 in QCoreApplication::notifyInternal () from
/usr/lib64/libQtCore.so.4
#26 0x00000030cb90372c in QAbstractItemModel::sort () from
/usr/lib64/libQtCore.so.4
#27 0x00000030cb90125d in QAbstractItemModel::sort () from
/usr/lib64/libQtCore.so.4
#28 0x00000030d262ef53 in g_main_context_dispatch () from
/lib64/libglib-2.0.so.0
#29 0x00000030d263224d in QAbstractItemModel::sort () from
/lib64/libglib-2.0.so.0
#30 0x00000030d263277e in g_main_context_iteration () from
/lib64/libglib-2.0.so.0
#31 0x00000030cb9016c4 in QEventDispatcherGlib::processEvents () from
/usr/lib64/libQtCore.so.4
#32 0x00000030d2bff2ff in QAbstractItemModel::sort () from
/usr/lib64/libQtGui.so.4
#33 0x00000030cb8e2b98 in QEventLoop::processEvents () from
/usr/lib64/libQtCore.so.4
#34 0x00000030cb8e2cad in QEventLoop::exec () from /usr/lib64/libQtCore.so.4
#35 0x00000030cb8e4c31 in QCoreApplication::exec () from
/usr/lib64/libQtCore.so.4
#36 0x0000000000aa2edd in lyx::frontend::GuiApplication::exec
(this=<value optimized out>) at GuiApplication.cpp:365
#37 0x00000000004f90bf in lyx::LyX::exec (this=0x7fff8e4f7a40,
[EMAIL PROTECTED], argv=<value optimized out>) at LyX.cpp:445
#38 0x0000000000432b48 in main (argc=1, argv=0x7fff8e4f7b48) at main.cpp:46
^done