On Sunday 12 March 2006 10:04 am, Simon Edwards wrote: > On Saturday 11 March 2006 20:26, Phil Thompson wrote: > > On Saturday 11 March 2006 7:13 pm, Simon Edwards wrote: > > > Anyway, I think I've come across a double free memory bug in PyQt > > > 3.15.1. Qt complains about a "Double QObject deletion detected.", and > > > valgrind points to a problem in sipKDialogBase::~sipKDialogBase(). > > > (Reading memory which is already free'd, and invalid free(), delete > > > etc). This problem > > only > > > > appears when my app opens a dialog. > > OK, I've chopped my code right down See attachment. Running this on the > current Kubuntu Dapper shows this in the console: > > [EMAIL PROTECTED]:~$ python ./qdialogdoublefree.py > kbuildsycoca running... > Double QObject deletion detected. > *** glibc detected *** double free or corruption (!prev): 0x082cfa40 *** > KCrash: Application 'qdialogdoublefree.py' crashing... > [EMAIL PROTECTED]:~$ > > Using show() instead of exec_loop() does in fact _not_ trigger the problem.
Attached is a PyQt only version which doesn't seem to have a problem (have I removed too much?). This is using latest snapshots. Phil
qdialogdoublefree.py
Description: application/python
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