Hi,
This is the corresponding gdb output and backtrace: $ gdb src/lyx GNU gdb 4.18 (FreeBSD) Copyright 1998 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "i386-unknown-freebsd"... (gdb) run Starting program: /home/lahaye/SOFTWARE/lyx-devel/src/lyx Program received signal SIGSEGV, Segmentation fault. 0x818fcaa in LyXText::ownerParagraph (this=0x86e8400) at text2.C:2607 2607 return bv_owner->buffer()->paragraph; (gdb) bt #0 0x818fcaa in LyXText::ownerParagraph (this=0x86e8400) at text2.C:2607 #1 0x8186264 in LyXText::init (this=0x86e8400, bview=0x8591bc0, reinit=false) at text2.C:93 #2 0x805a2c7 in BufferView::Pimpl::resizeCurrentBuffer (this=0x85df400) at BufferView_pimpl.C:327 #3 0x8050ab0 in BufferView::resize (this=0x8591bc0) at BufferView.C:70 #4 0x811fa49 in LyXFunc::dispatch (this=0xbfbff2e0, action=LFUN_SCREEN_FONT_UPDATE, argument=0xbfbff2e0) at lyxfunc.C:1546 #5 0x834d17f in FormPreferences::ScreenFonts::apply (this=0x855a8ec) at FormPreferences.C:2579 #6 0x8332a17 in FormPreferences::apply (this=0x855a800) at FormPreferences.C:285 #7 0x82f6b88 in FormBaseDeprecated::ApplyCB (this=0x855a800) at FormBaseDeprecated.C:170 #8 0x82f8486 in C_FormBaseDeprecatedApplyCB (ob=0x866de00) at FormBaseDeprecated.C:261 #9 0x2856ed5b in fl_object_qread () at events.c:206 #10 0x2857f0ff in fl_check_forms () at forms.c:2109 #11 0x82a8c69 in lyx_gui::start (batch=@0xbfbffac4, files=0xbfbff92c) at lyx_gui.C:298 #12 0x8104c86 in LyX::LyX (this=0xbfbffac0, argc=@0xbfbffaf0, argv=0xbfbffb3c) at ../src/lyx_main.C:145 #13 0x814e15e in main (argc=1, argv=0xbfbffb3c) at ../src/main.C:31 #14 0x805080d in _start () (gdb) My version output: $ src/lyx -version LyX 1.3.0cvs of Fri, May 3, 2002 Built on Jul 16 2002, 01:53:34 Configuration Host type: i386-unknown-freebsd4.6 Special build flags: warnings assertions C Compiler: gcc C Compiler flags: -g -O2 C++ Compiler: g++ (2.95.3) C++ Compiler flags: -g -O -Wno-non-template-friend -W -Wall Linker flags: Frontend: xforms libXpm version: 4.11 libforms version: 1.0.0 LyX binary dir: /opt/bin LyX files dir: /opt/share/lyx Regards, Rob.