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$ gdb xxdiff
GNU gdb 6.0
Copyright 2003 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 "i686-pc-linux-gnu"...Using host libthread_db library "/lib/libthread_db.so.1".
(gdb) run --merge left ancestor right
Starting program: /home/derek/bin/xxdiff --merge left ancestor right
warning: Unable to find dynamic linker breakpoint function.
GDB will be unable to debug shared library initializers
and track explicitly loaded dynamic code.
[Thread debugging using libthread_db enabled]
[New Thread 16384 (LWP 11038)]
Detaching after fork from child process 11041.
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 16384 (LWP 11038)]
0x409a28a4 in mallopt () from /lib/libc.so.6
(gdb) bt
#0 0x409a28a4 in mallopt () from /lib/libc.so.6
#1 0x409a16bd in free () from /lib/libc.so.6
#2 0x4024535a in QPixmap::detach() () from /usr/qt/3/lib/libqt-mt.so.3
#3 0x4024ee52 in QPainter::begin(QPaintDevice const*, bool) ()
from /usr/qt/3/lib/libqt-mt.so.3
#4 0x402f29ab in QPainter::QPainter(QPaintDevice const*, bool) ()
from /usr/qt/3/lib/libqt-mt.so.3
#5 0x4061371f in QSGIStyle::drawPrimitive(QStyle::PrimitiveElement, QPainter*, QRect const&, QColorGroup const&, unsigned, QStyleOption const&) const ()
from /usr/qt/3/lib/libqt-mt.so.3
#6 0x406161e3 in QSGIStyle::drawComplexControl(QStyle::ComplexControl, QPainter*, QWidget const*, QRect const&, QColorGroup const&, unsigned, unsigned, unsigned, QStyleOption const&) const () from /usr/qt/3/lib/libqt-mt.so.3
#7 0x40401d19 in QScrollBar::drawControls(unsigned, unsigned, QPainter*) const
() from /usr/qt/3/lib/libqt-mt.so.3
#8 0x40401c15 in QScrollBar::drawControls(unsigned, unsigned) const ()
from /usr/qt/3/lib/libqt-mt.so.3
#9 0x4040088d in QScrollBar::rangeChange() () from /usr/qt/3/lib/libqt-mt.so.3
#10 0x403ffd9b in QRangeControl::setRange(int, int) ()
from /usr/qt/3/lib/libqt-mt.so.3
#11 0x0807a4e0 in XxScrollView::adjustVerticalScrollbars(QSize const&) ()
#12 0x0807a2f1 in XxScrollView::adjustScrollbars() ()
#13 0x080b9754 in XxScrollView::qt_invoke(int, QUObject*) ()
---Type <return> to continue, or q <return> to quit---
#14 0x080b9b10 in XxCentralFrame::qt_invoke(int, QUObject*) ()
#15 0x402f0ca6 in QObject::activate_signal(QConnectionList*, QUObject*) ()
from /usr/qt/3/lib/libqt-mt.so.3
#16 0x402f0b54 in QObject::activate_signal(int) ()
from /usr/qt/3/lib/libqt-mt.so.3
#17 0x080b7fbe in XxApp::textSizeChanged() ()
#18 0x080b802a in XxApp::qt_invoke(int, QUObject*) ()
#19 0x402f0d2c in QObject::activate_signal(QConnectionList*, QUObject*) ()
from /usr/qt/3/lib/libqt-mt.so.3
#20 0x402f0b54 in QObject::activate_signal(int) ()
from /usr/qt/3/lib/libqt-mt.so.3
#21 0x080b892e in XxDiffs::nbLinesChanged() ()
#22 0x08092e18 in XxDiffs::splitSwapJoin(int, unsigned) ()
#23 0x0806e75d in XxApp::regionSplitSwapJoin() ()
#24 0x080b82a7 in XxApp::qt_invoke(int, QUObject*) ()
#25 0x402f0d2c in QObject::activate_signal(QConnectionList*, QUObject*) ()
from /usr/qt/3/lib/libqt-mt.so.3
#26 0x4062f42a in QSignal::signal(QVariant const&) ()
from /usr/qt/3/lib/libqt-mt.so.3
#27 0x4030aedd in QSignal::activate() () from /usr/qt/3/lib/libqt-mt.so.3
#28 0x403f3112 in QPopupMenu::accelActivated(int) ()
from /usr/qt/3/lib/libqt-mt.so.3
#29 0x40644d88 in QPopupMenu::qt_invoke(int, QUObject*) ()
---Type <return> to continue, or q <return> to quit---
from /usr/qt/3/lib/libqt-mt.so.3
#30 0x402f0d2c in QObject::activate_signal(QConnectionList*, QUObject*) ()
from /usr/qt/3/lib/libqt-mt.so.3
#31 0x402f0e8d in QObject::activate_signal(int, int) ()
from /usr/qt/3/lib/libqt-mt.so.3
#32 0x406275f2 in QAccel::activated(int) () from /usr/qt/3/lib/libqt-mt.so.3
#33 0x4028e381 in QAccelPrivate::activate(QAccelItem*) ()
from /usr/qt/3/lib/libqt-mt.so.3
#34 0x4028cdcc in QAccelManager::dispatchAccelEvent(QWidget*, QKeyEvent*) ()
from /usr/qt/3/lib/libqt-mt.so.3
#35 0x4028bece in qt_dispatchAccelEvent(QWidget*, QKeyEvent*) ()
from /usr/qt/3/lib/libqt-mt.so.3
#36 0x40293c6c in QApplication::notify(QObject*, QEvent*) ()
from /usr/qt/3/lib/libqt-mt.so.3
#37 0x4028c448 in QAccelManager::tryAccelEvent(QWidget*, QKeyEvent*) ()
from /usr/qt/3/lib/libqt-mt.so.3
#38 0x4028be3e in qt_tryAccelEvent(QWidget*, QKeyEvent*) ()
from /usr/qt/3/lib/libqt-mt.so.3
#39 0x4022c971 in QETWidget::translateKeyEvent(_XEvent const*, bool) ()
from /usr/qt/3/lib/libqt-mt.so.3
#40 0x40227cf7 in QApplication::x11ProcessEvent(_XEvent*) ()
from /usr/qt/3/lib/libqt-mt.so.3
#41 0x4023ed64 in QEventLoop::processEvents(unsigned) ()
---Type <return> to continue, or q <return> to quit---
from /usr/qt/3/lib/libqt-mt.so.3
#42 0x402a6ab8 in QEventLoop::enterLoop() () from /usr/qt/3/lib/libqt-mt.so.3
#43 0x402a6968 in QEventLoop::exec() () from /usr/qt/3/lib/libqt-mt.so.3
#44 0x40294b41 in QApplication::exec() () from /usr/qt/3/lib/libqt-mt.so.3
#45 0x080745a3 in main ()
(gdb)
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