[Bug 561303] Re: PyQt4 applications crash at exit
Clint Byrum
clint at fewbar.com
Thu Jun 21 20:14:10 UTC 2012
** Description changed:
+ [Test Case]
+ Try any of the basic examples in python-qt4-doc:
+
+ jss at jss-laptop:$ python /usr/share/doc/python-qt4-doc/examples/richtext/syntaxhighlighter.py
+ ...
+ Segmentation fault
+ Fixed versions should work properly.
+
+ [Regression Potential]
+ While this is an update from upstream, it is a very tiny actual change (view the diff with 'filterdiff -x doc/* -x sip/*').
+
+ ---------------
+
Binary package hint: python-qt4
Package python-qt4 (python bindings for qt4) seems to be broken in Lucid
beta 2. Many PyQt4 applications crash at exit, which can be easily
reproduced by running some of the example applications available in
package python-qt4-doc. For example, run ' python /usr/share/doc/python-
qt4-doc/examples/dialogs/findfiles.py'. When the dialog is closed, the
application dies with segmentation fault.
The python-qt4 version in Lucid beta 2 is 4.7.2-0ubuntu1. The PyQt4
mailing list has several recent reports about this kind of crashes with
PyQt4 version 4.7.2, due to some changes in the way objects are deleted
at exit. The following message on the mailing list indicates that a
fixed version 4.7.3 is to be released shortly. I hope the fixed version
will be included in Lucid, or if not possible then revert back to some
older version that does not crash applications at exit.
http://www.riverbankcomputing.com/pipermail/pyqt/2010-April/026385.html
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https://bugs.launchpad.net/bugs/561303
Title:
PyQt4 applications crash at exit
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