Version:            (using KDE 4.2.2)
OS:                Linux
Installed from:    Ubuntu Packages

Resizing panel height cause crash, and then restarts.

Im using Kubuntu 9.04 64 bits version (Kde 4.2.2 & Qt 4.5.0) 

Procedure:

1) Resize Panel Up And Then Down until crash, 
2) Plasma Crash
3) It Restarts

Here it's the backtrace:

(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
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(no debugging symbols found)
0x00007ff1da5dcd21 in nanosleep () from /lib/libc.so.6
[Current thread is 0 (LWP 3176)]

Thread 3 (Thread 0x7ff1c1674950 (LWP 3186)):
#0  0x00007ff1d7a162e9 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007ff1db0be939 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#2  0x00007ff1de87a4cc in ?? () from /usr/lib/libQtNetwork.so.4
#3  0x00007ff1db0bd952 in ?? () from /usr/lib/libQtCore.so.4
#4  0x00007ff1d7a123ba in start_thread () from /lib/libpthread.so.0
#5  0x00007ff1da61afcd in clone () from /lib/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 2 (Thread 0x7ff1bbfff950 (LWP 3193)):
#0  0x00007ff1d7a162e9 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/libpthread.so.0
#1  0x00007ff1db0be939 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#2  0x00007ff1c22e4d4e in ?? () from /usr/lib/kde4/plasma_wallpaper_image.so
#3  0x00007ff1db0bd952 in ?? () from /usr/lib/libQtCore.so.4
#4  0x00007ff1d7a123ba in start_thread () from /lib/libpthread.so.0
#5  0x00007ff1da61afcd in clone () from /lib/libc.so.6
#6  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7ff1dfd31760 (LWP 3176)):
#0  0x00007ff1da5dcd21 in nanosleep () from /lib/libc.so.6
#1  0x00007ff1da5dcb47 in sleep () from /lib/libc.so.6
#2  0x00007ff1de00db1f in ?? () from /usr/lib/libkdeui.so.5
#3  0x00007ff1de00e42a in KCrash::defaultCrashHandler () from /usr/lib/libkdeui.so.5
#4  <signal handler called>
#5  0x00007ff1db92e520 in QWidget::mapToParent () from /usr/lib/libQtGui.so.4
#6  0x00007ff1db92e57b in QWidget::mapTo () from /usr/lib/libQtGui.so.4
#7  0x00007ff1dbae60e5 in ?? () from /usr/lib/libQtGui.so.4
#8  0x00007ff1dbae742b in ?? () from /usr/lib/libQtGui.so.4
#9  0x00007ff1db935100 in QWidgetPrivate::syncBackingStore () from /usr/lib/libQtGui.so.4
#10 0x00007ff1db93c62d in QWidget::event () from /usr/lib/libQtGui.so.4
#11 0x00007ff1dbcd66eb in QFrame::event () from /usr/lib/libQtGui.so.4
#12 0x00007ff1dbd67c29 in QAbstractScrollArea::event () from /usr/lib/libQtGui.so.4
#13 0x00007ff1df90e390 in ?? () from /usr/lib/libkdeinit4_plasma.so
#14 0x00007ff1db8eb83d in QApplicationPrivate::notify_helper () from /usr/lib/libQtGui.so.4
#15 0x00007ff1db8f3a2a in QApplication::notify () from /usr/lib/libQtGui.so.4
#16 0x00007ff1ddfa826b in KApplication::notify () from /usr/lib/libkdeui.so.5
#17 0x00007ff1db1a675c in QCoreApplication::notifyInternal () from /usr/lib/libQtCore.so.4
#18 0x00007ff1db1a73ca in QCoreApplicationPrivate::sendPostedEvents () from /usr/lib/libQtCore.so.4
#19 0x00007ff1db1d01e3 in ?? () from /usr/lib/libQtCore.so.4
#20 0x00007ff1d5de220a in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#21 0x00007ff1d5de58e0 in ?? () from /usr/lib/libglib-2.0.so.0
#22 0x00007ff1d5de5a7c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#23 0x00007ff1db1cfe6f in QEventDispatcherGlib::processEvents () from /usr/lib/libQtCore.so.4
#24 0x00007ff1db983c9f in ?? () from /usr/lib/libQtGui.so.4
#25 0x00007ff1db1a5002 in QEventLoop::processEvents () from /usr/lib/libQtCore.so.4
#26 0x00007ff1db1a53cd in QEventLoop::exec () from /usr/lib/libQtCore.so.4
#27 0x00007ff1db1a7694 in QCoreApplication::exec () from /usr/lib/libQtCore.so.4
#28 0x00007ff1df9079bb in kdemain () from /usr/lib/libkdeinit4_plasma.so
#29 0x00007ff1da5535a6 in __libc_start_main () from /lib/libc.so.6
#30 0x00000000004007c9 in _start ()
#0  0x00007ff1da5dcd21 in nanosleep () from /lib/libc.so.6