On Wednesday 23 December 2009, 15:52:59 Joe Turpin wrote: > On Mon, Dec 14, 2009 at 10:14 AM, Joe Turpin <joe.tur...@gmail.com> wrote: > > On Mon, Dec 14, 2009 at 9:15 AM, David Boddie <dbod...@trolltech.com> wrote: > >> On Sat Dec 12 21:47:16 GMT 2009, Joe Turpin wrote: > >>> I have a very basic python script file that looks like the following > >>> (taken directly from an online tutorial): > >>> > >>> #!/usr/bin/python > >>> > >>> # simple.py > >>> > >>> import sys > >>> from PyQt4 import QtGui > >>> > >>> app = QtGui.QApplication(sys.argv) > >>> > >>> widget = QtGui.QWidget() > >>> widget.resize(250, 150) > >>> widget.setWindowTitle('simple') > >>> widget.show() > >>> > >>> sys.exit(app.exec_()) > >>> > >>> The script runs to completion when I execute it under my regular user > >>> account, but hangs when I execute it as root.. Using pdb I inserted a > >>> set_trace() and found that it never returns from the call to > >>> QtGui.QApplication(). Any ideas why this might be happening? > > <snip> > > I've been busy with other things, as I'm sure you all are, and haven't > had time to investigate the deadlock occurring for me when I run my > simple PyQt4 app as root. > > David, did my last email to the list with gdb and strace output give > any clues to where the problem lies? It looks like a deadlock, but is > this a result of system configuration or a software bug? I'm assuming > you are able to run this as root, right?
I am: openSUSE 11.1 (Linux 2.6.27.39/i586) with sip 4.9.3, PyQt 4.6.2, Qt 4.5.3 and Python 2.6.0. Might SELinux or the like gets in the way? What I find suspicious is the pthread_cond_wait call! A strace as root doesn't show anything related (apart from open("/lib/libpthread.so.0", O_RDONLY) = 3 ) here, but neither appears libQtDBus nor libdbus-1 in my traces. Pete _______________________________________________ PyQt mailing list PyQt@riverbankcomputing.com http://www.riverbankcomputing.com/mailman/listinfo/pyqt