Qt 4.5 related Crash on KDM Startup?

[Bernhard Friedreich]

Hey!

I'm getting a crash on my trunk compiled from source running on openSUSE
11.1 x86_64 when starting up KDM. I've got the latest Qt 4.5 Snapshot
installed (from the repository: 4.4.90+20090108-2.1).

I'm getting the wallpaper of KDM and then drkonqui reporting the error.

Here's the backtrace:

Application: unknown (kdmgreet), signal SIGSEGV
0x00007fe9e67b95af in waitpid () from /lib64/libpthread.so.0
[Current thread is 1 (Thread 0x7fe9e84a4750 (LWP 15492))]

Thread 2 (Thread 0x7fe9da50e950 (LWP 15499)):
#0  0x00007fe9e4f85642 in select () from /lib64/libc.so.6
#1  0x00007fe9e6aed276 in QProcessManager::run (this=0x681770) at
io/qprocess_unix.cpp:300
#2  0x00007fe9e6a24b12 in QThreadPrivate::start (arg=0x681770) at
thread/qthread_unix.cpp:184
#3  0x00007fe9e67b2070 in start_thread () from /lib64/libpthread.so.0
#4  0x00007fe9e4f8c0ed in clone () from /lib64/libc.so.6
#5  0x0000000000000000 in ?? ()

Thread 1 (Thread 0x7fe9e84a4750 (LWP 15492)):
[KCrash Handler]
#4  0x00007fe9e4f35560 in strlen () from /lib64/libc.so.6
#5  0x00007fe9e77408a3 in XSetCommand () from /usr/lib64/libX11.so.6
#6  0x00007fe9e7745396 in XSetWMProperties () from /usr/lib64/libX11.so.6
#7  0x00007fe9e5bb1c40 in QWidgetPrivate::create_sys (this=0x7cb230,
window=1050, initializeWindow=true, destroyOldWindow=true) at
kernel/qwidget_x11.cpp:740
#8  0x00007fe9e5b78211 in QWidget::create (this=0x74be80, window=0,
initializeWindow=16, destroyOldWindow=255) at kernel/qwidget.cpp:1204
#9  0x00007fe9e5b7d8ca in QWidget::setVisible (this=0x74be80, visible=<value
optimized out>) at kernel/qwidget.cpp:6771
#10 0x00007fe9e5fc1c0c in QDialog::setVisible (this=0x74be80, visible=<value
optimized out>) at dialogs/qdialog.cpp:701
#11 0x000000000041c82b in FDialog::exec (this=0x74be80) at
/usr/include/QtGui/qwidget.h:468
#12 0x0000000000438378 in main (argc=<value optimized out>,
argv=0x7ffff04d7fc8) at
/kde/src/KDE/kdebase/workspace/kdm/kfrontend/kgapp.cpp:427


I suspect it's a Qt 4.5 issue because when googling for a digest of the
backtrace ("in QWidgetPrivate::create_sys") I got all sorts of bugreports

I hope I've got the right mailing list and I'm looking forward to your
replies :-)
Afaik KDE 4.3 will be based on Qt 4.5 so imo it's good to catch such bugs
early on :-)

Btw: If you wonder why I didn't report a bug.. it simply don't know if it's
my fault (compile/installation problem) or if it's a bug.

Bye
Bernhard Friedreich
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