Version:           2.6.3 (using KDE 3.5.3, Kubuntu Package 4:3.5.3-0ubuntu0.1 dapper)
Compiler:          Target: i486-linux-gnu
OS:                Linux (i686) release 2.6.15-23-386

I try to unpack font archives (containing one to four files each), zip format, from Konqueror via the servide menu (unpack here). It would unpack but then ark exits with Sig 11. Every second or third time. Konqueror is in Symbol view mode Preview of fonts is activated, folder contains 40-50 items.

Backtrace No1:

(no debugging symbols found)
Using host libthread_db library "/lib/tls/libthread_db.so.1".
...
(no debugging symbols found)
(no debugging symbols found)
[Thread debugging using libthread_db enabled]
[New Thread -1216735552 (LWP 12224)]
(no debugging symbols found)
(no debugging symbols found)
...
(no debugging symbols found)
(no debugging symbols found)
[KCrash handler]
#5  0x418f16da in malloc_usable_size () from /lib/tls/libc.so.6
#6  0x418f2672 in free () from /lib/tls/libc.so.6
#7  0x418f4481 in malloc () from /lib/tls/libc.so.6
#8  0x41916da2 in opendir () from /lib/tls/libc.so.6
#9  0x41f541cc in KCheckAccelerators::qt_cast () from /usr/lib/libkdecore.so.4
#10 0x41f54321 in KTempDir::removeDir () from /usr/lib/libkdecore.so.4
#11 0x41f54368 in KTempDir::unlink () from /usr/lib/libkdecore.so.4
#12 0xb76c51b1 in ArkWidget::cleanArkTmpDir ()
   from /usr/lib/kde3/libarkpart.so
#13 0xb76c5210 in ArkWidget::~ArkWidget () from /usr/lib/kde3/libarkpart.so
#14 0x423a114f in KParts::Part::~Part () from /usr/lib/libkparts.so.2
#15 0x423a7a42 in KParts::ReadOnlyPart::~ReadOnlyPart ()
   from /usr/lib/libkparts.so.2
#16 0x423a7b41 in KParts::ReadWritePart::~ReadWritePart ()
   from /usr/lib/libkparts.so.2
#17 0xb76a37d2 in ArkPart::~ArkPart () from /usr/lib/kde3/libarkpart.so
#18 0x41ded37d in MainWindow::~MainWindow () from /usr/lib/libkdeinit_ark.so
#19 0xb7aae11e in QObject::event () from /usr/lib/libqt-mt.so.3
#20 0xb7aeb5aa in QWidget::event () from /usr/lib/libqt-mt.so.3
#21 0xb7bbd762 in QMainWindow::event () from /usr/lib/libqt-mt.so.3
#22 0xb7a46e56 in QApplication::internalNotify () from /usr/lib/libqt-mt.so.3
#23 0xb7a47bd6 in QApplication::notify () from /usr/lib/libqt-mt.so.3
#24 0x41fedf11 in KApplication::notify () from /usr/lib/libkdecore.so.4
#25 0xb79d8157 in QApplication::sendEvent () from /usr/lib/libqt-mt.so.3
#26 0xb7a484a7 in QApplication::sendPostedEvents ()
   from /usr/lib/libqt-mt.so.3
#27 0xb7a5fa1a in QEventLoop::enterLoop () from /usr/lib/libqt-mt.so.3
#28 0xb7a5f86a in QEventLoop::exec () from /usr/lib/libqt-mt.so.3
#29 0xb7a45965 in QApplication::exec () from /usr/lib/libqt-mt.so.3
#30 0x41dee1ef in kdemain () from /usr/lib/libkdeinit_ark.so
#31 0xb776a4f0 in kdeinitmain () from /usr/lib/kde3/ark.so
#32 0x0804e0a3 in ?? ()
#33 0x00000004 in ?? ()
#34 0x08067508 in ?? ()
#35 0x00000001 in ?? ()
#36 0x00000000 in ?? ()


Backtrace No 2:

(no debugging symbols found)
Using host libthread_db library "/lib/tls/libthread_db.so.1".
(no debugging symbols found)
...
(no debugging symbols found)
[Thread debugging using libthread_db enabled]
[New Thread -1216735552 (LWP 12781)]
(no debugging symbols found)
...
(no debugging symbols found)
(no debugging symbols found)
[KCrash handler]
#5  0x418b7a97 in raise () from /lib/tls/libc.so.6
#6  0x418b9329 in abort () from /lib/tls/libc.so.6
#7  0x418eb896 in __fsetlocking () from /lib/tls/libc.so.6
#8  0x418f18b0 in malloc_usable_size () from /lib/tls/libc.so.6
#9  0x418f2672 in free () from /lib/tls/libc.so.6
#10 0x418f4481 in malloc () from /lib/tls/libc.so.6
#11 0x41916da2 in opendir () from /lib/tls/libc.so.6
#12 0x41f541cc in KCheckAccelerators::qt_cast () from /usr/lib/libkdecore.so.4
#13 0x41f54321 in KTempDir::removeDir () from /usr/lib/libkdecore.so.4
#14 0x41f54368 in KTempDir::unlink () from /usr/lib/libkdecore.so.4
#15 0xb76c51b1 in ArkWidget::cleanArkTmpDir ()
   from /usr/lib/kde3/libarkpart.so
#16 0xb76c5210 in ArkWidget::~ArkWidget () from /usr/lib/kde3/libarkpart.so
#17 0x423a114f in KParts::Part::~Part () from /usr/lib/libkparts.so.2
#18 0x423a7a42 in KParts::ReadOnlyPart::~ReadOnlyPart ()
   from /usr/lib/libkparts.so.2
#19 0x423a7b41 in KParts::ReadWritePart::~ReadWritePart ()
   from /usr/lib/libkparts.so.2
#20 0xb76a37d2 in ArkPart::~ArkPart () from /usr/lib/kde3/libarkpart.so
#21 0x41ded37d in MainWindow::~MainWindow () from /usr/lib/libkdeinit_ark.so
#22 0xb7aae11e in QObject::event () from /usr/lib/libqt-mt.so.3
#23 0xb7aeb5aa in QWidget::event () from /usr/lib/libqt-mt.so.3
#24 0xb7bbd762 in QMainWindow::event () from /usr/lib/libqt-mt.so.3
#25 0xb7a46e56 in QApplication::internalNotify () from /usr/lib/libqt-mt.so.3
#26 0xb7a47bd6 in QApplication::notify () from /usr/lib/libqt-mt.so.3
#27 0x41fedf11 in KApplication::notify () from /usr/lib/libkdecore.so.4
#28 0xb79d8157 in QApplication::sendEvent () from /usr/lib/libqt-mt.so.3
#29 0xb7a484a7 in QApplication::sendPostedEvents ()
   from /usr/lib/libqt-mt.so.3
#30 0xb7a5fa1a in QEventLoop::enterLoop () from /usr/lib/libqt-mt.so.3
#31 0xb7a5f86a in QEventLoop::exec () from /usr/lib/libqt-mt.so.3
#32 0xb7a45965 in QApplication::exec () from /usr/lib/libqt-mt.so.3
#33 0x41dee1ef in kdemain () from /usr/lib/libkdeinit_ark.so
#34 0xb776a4f0 in kdeinitmain () from /usr/lib/kde3/ark.so
#35 0x0804e0a3 in ?? ()
#36 0x00000004 in ?? ()
#37 0x080c5878 in ?? ()
#38 0x00000001 in ?? ()
#39 0x00000000 in ?? ()