Following the instructions on https://wiki.ubuntu.com/DebuggingProgramCrash, I got a backtrace:
gdb tulip ... (gdb) r Starting program: /usr/bin/tulip [Thread debugging using libthread_db enabled] [New Thread 0xb587b740 (LWP 21683)] Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 0xb587b740 (LWP 21683)] 0xb6de6e5a in ?? () from /usr/lib/libQtGui.so.4 (gdb) bt #0 0xb6de6e5a in ?? () from /usr/lib/libQtGui.so.4 #1 0xb6de7f76 in QBoxLayout::minimumSize () from /usr/lib/libQtGui.so.4 #2 0xb6e07791 in QLayout::totalMinimumSize () from /usr/lib/libQtGui.so.4 #3 0xb6e07b20 in QLayout::activate () from /usr/lib/libQtGui.so.4 #4 0xb6e30761 in QWidget::setVisible () from /usr/lib/libQtGui.so.4 #5 0xb772e413 in Q3ToolBar::checkForExtension () from /usr/lib/libQt3Support.so.4 #6 0xb772e4fb in Q3ToolBar::resizeEvent () from /usr/lib/libQt3Support.so.4 #7 0xb6e32562 in QWidget::event () from /usr/lib/libQtGui.so.4 #8 0xb7167063 in QFrame::event () from /usr/lib/libQtGui.so.4 #9 0xb770b6b7 in Q3DockWindow::event () from /usr/lib/libQt3Support.so.4 #10 0xb772e73c in Q3ToolBar::event () from /usr/lib/libQt3Support.so.4 #11 0xb6ddac0c in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4 #12 0xb6ddf898 in QApplication::notify () from /usr/lib/libQtGui.so.4 #13 0xb7a106a9 in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4 #14 0xb6e6595e in QWidgetPrivate::setGeometry_sys () from /usr/lib/libQtGui.so.4 #15 0xb6e2b58f in QWidget::setGeometry () from /usr/lib/libQtGui.so.4 #16 0xb7702619 in ?? () from /usr/lib/libQt3Support.so.4 #17 0xb77029e7 in ?? () from /usr/lib/libQt3Support.so.4 #18 0xb770418f in Q3DockAreaLayout::layoutItems () from /usr/lib/libQt3Support.so.4 #19 0xb7704824 in Q3DockAreaLayout::sizeHint () from /usr/lib/libQt3Support.so.4 #20 0xb6e075af in QLayout::totalSizeHint () from /usr/lib/libQtGui.so.4 #21 0xb6e20456 in QWidget::sizeHint () from /usr/lib/libQtGui.so.4 #22 0xb6e0b7a6 in QWidgetItemV2::updateCacheIfNecessary () from /usr/lib/libQtGui.so.4 #23 0xb6e0bc26 in QWidgetItemV2::maximumSize () from /usr/lib/libQtGui.so.4 #24 0xb6de6e37 in ?? () from /usr/lib/libQtGui.so.4 #25 0xb6de7f76 in QBoxLayout::minimumSize () from /usr/lib/libQtGui.so.4 #26 0xb6e07791 in QLayout::totalMinimumSize () from /usr/lib/libQtGui.so.4 #27 0xb6e07b20 in QLayout::activate () from /usr/lib/libQtGui.so.4 #28 0xb6e07d3e in QLayout::widgetEvent () from /usr/lib/libQtGui.so.4 #29 0xb6ddabcd in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4 #30 0xb6ddf898 in QApplication::notify () from /usr/lib/libQtGui.so.4 #31 0xb7a106a9 in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4 #32 0xb7a11a59 in QCoreApplicationPrivate::sendPostedEvents () from /usr/lib/libQtCore.so.4 #33 0xb7a11c7d in QCoreApplication::sendPostedEvents () from /usr/lib/libQtCore.so.4 #34 0xb7a3bbcf in ?? () from /usr/lib/libQtCore.so.4 #35 0xb6693bf8 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0 #36 0xb6696e5e in ?? () from /usr/lib/libglib-2.0.so.0 #37 0xb66973ac in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0 #38 0xb7a3bf98 in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4 #39 0xb6e6e1b5 in ?? () from /usr/lib/libQtGui.so.4 #40 0xb7a0f92d in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4 #41 0xb7a0fabd in QEventLoop::exec () from /usr/lib/libQtCore.so.4 #42 0xb7a11d3d in QCoreApplication::exec () from /usr/lib/libQtCore.so.4 #43 0xb6dda567 in QApplication::exec () from /usr/lib/libQtGui.so.4 #44 0x080bd36d in main () Hope this helps. -- tulip crashes on startup https://bugs.launchpad.net/bugs/230368 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs