(gdb) r Starting program: /home/whitelynx/classes/fall2007/objects/assignment02/assignment02 [Thread debugging using libthread_db enabled] [New Thread -1224149328 (LWP 14164)] Program received signal SIGSEGV, Segmentation fault. [Switching to Thread -1224149328 (LWP 14164)] 0xb7d128bd in QAbstractItemView::model () from /usr/lib/qt4/libQtGui.so.4 (gdb) bt full #0 0xb7d128bd in QAbstractItemView::model () from /usr/lib/qt4/libQtGui.so.4 No symbol table info available. #1 0xb7d7e603 in QTableWidget::setItemPrototype () from /usr/lib/qt4/libQtGui.so.4 No symbol table info available. #2 0x080523ad in MainWindow (this=0xbfa7572c, parent=0x0) at mainwindow.cpp:11 No locals. #3 0x08050759 in main (argc=Cannot access memory at address 0x20 ) at main.cpp:8 app = mainWin = {<> = {}, = { = { action_New = 0xb71bb2f4, action_Open = 0x805f004, action_Save = 0xb7fd2ca0, actionSave_As = 0xb72d6ff4, action_Exit = 0x804ce50, actionCu_t = 0x8058200, action_Copy = 0xbfa75768, action_Paste = 0xb71de440, action_Delete = 0x805f000, action_Find = 0xb7fd2ca0, action_Go_to_Cell = 0xbfa75788, action_Row = 0x804cea7, action_Column = 0x804ce50, action_All = 0x0, action_Recalculate = 0x805f504, action_Sort = 0x7c838c, action_Show_Grid = 0xffff, action_Auto_Recalculate = 0x1, action_About = 0xbfa75798, actionAbout_Qt = 0x804cebf, centralwidget = 0xbfa75820, hboxLayout = 0xb7fd36c8, tableWidget = 0xbfa757a8, menubar = 0x8058295, menu_File = 0xf63d4e2e, menu_Edit = 0x805f190, menu_Select = 0xbfa757b8, menu_Tools = 0x804bff5, menu_Options = 0xb78d8b80, menu_Help = 0x0, fileToolBar = 0xbfa757e8, editToolBar = 0x8058219, statusBar = 0xb7f91958}, }, static staticMetaObject = {d = { superdata = 0x805f620, stringdata = 0x8058d60 "MainWindow", data = 0x8058e60, extradata = 0x0}}, autoRecalc = true}