.
Thread 1 (process 5547):
#0  0xb7f605ec in debPackagesIndex::FindInCache ()
   from /usr/lib/libapt-pkg-libc6.4-6.so.3.53
#1  0xb7f2ba4c in ?? () from /usr/lib/libapt-pkg-libc6.4-6.so.3.53
#2  0xb7f2c07c in pkgMakeStatusCache ()
   from /usr/lib/libapt-pkg-libc6.4-6.so.3.53
#3  0x0806780a in ?? ()
#4  0x08068b6e in ?? ()
#5  0x08058e1a in ?? ()
#6  0x080594a8 in ?? ()
#7  0x080661fa in ?? ()
#8  0xb6ea488b in QObject::activate_signal () from /usr/lib/libqt-mt.so.3
#9  0xb6ea5330 in QObject::activate_signal () from /usr/lib/libqt-mt.so.3
#10 0xb7232ba6 in QTimer::timeout () from /usr/lib/libqt-mt.so.3
#11 0xb6ecc596 in QTimer::event () from /usr/lib/libqt-mt.so.3
#12 0xb6e3ba60 in QApplication::internalNotify () from /usr/lib/libqt-mt.so.3
#13 0xb6e3d88f in QApplication::notify () from /usr/lib/libqt-mt.so.3
#14 0xb7577ce2 in KApplication::notify () from /usr/lib/libkdecore.so.4
#15 0xb6dce1e9 in QApplication::sendEvent () from /usr/lib/libqt-mt.so.3
#16 0xb6e2e4ab in QEventLoop::activateTimers () from /usr/lib/libqt-mt.so.3
#17 0xb6de2d25 in QEventLoop::processEvents () from /usr/lib/libqt-mt.so.3
#18 0xb6e56136 in QEventLoop::enterLoop () from /usr/lib/libqt-mt.so.3
#19 0xb6e55f46 in QEventLoop::exec () from /usr/lib/libqt-mt.so.3
#20 0xb6e3d609 in QApplication::exec () from /usr/lib/libqt-mt.so.3
#21 0x0805a0ca in ?? ()
#22 0xb78fcebc in __libc_start_main () from /lib/tls/i686/cmov/libc.so.6
#23 0x08057fc1 in ?? ()