Comment 44 for bug 408719

(In reply to comment #15)
> For other program but with like call QT mechanism I have backtrace for the
> error:
> (gdb) bt
> #0 0x00007f927bbd26fb in QDBusAdaptorConnector::relaySlot (this=0x2941280,
> argv=0x7fffd1abfc40) at qdbusabstractadaptor.cpp:270
> #1 0x00007f927bbd2a05 in QDBusAdaptorConnector::qt_metacall (this=0x2941280,
> _c=QMetaObject::InvokeMetaMethod, _id=<value optimized out>, _a=0x7fffd1abfc40)
> at qdbusabstractadaptor.cpp:366
> #2 0x00007f928697947d in QMetaObject::activate (sender=0x29413d0, m=<value
> optimized out>, local_signal_index=<value optimized out>, argv=0x7fffd1abfc40)
> at kernel/qobject.cpp:3283
> #3 0x00007f928697988f in QObject::destroyed (this=<value optimized out>,
> _t1=0x29413d0) at .moc/release-shared/moc_qobject.cpp:149
> #4 0x00007f928697b975 in QObject::~QObject (this=0x29413d0, __in_chrg=<value
> optimized out>) at kernel/qobject.cpp:843
> #5 0x00007f9282037179 in KIO::Scheduler::~Scheduler() () from
> /usr/lib64/libkio.so.5
> #6 0x00007f928203d487 in ?? () from /usr/lib64/libkio.so.5
> #7 0x00007f9282039979 in ?? () from /usr/lib64/libkio.so.5
> #8 0x00007f928ca4d221 in __run_exit_handlers (status=10, listp=0x7f928cd7b4a8,
> run_list_atexit=true) at exit.c:78
> #9 0x00007f928ca4d275 in exit (status=43258496) at exit.c:100
> #10 0x00007f928ca36c64 in __libc_start_main (main=0x4010c0 <main(int, char**,
> char**)>, argc=2, ubp_av=0x7fffd1abfe98, init=<value optimized out>,
> fini=<value optimized out>, rtld_fini=<value optimized out>,
> stack_end=0x7fffd1abfe88) at libc-start.c:258
> #11 0x0000000000400ff9 in _start () at ../sysdeps/x86_64/elf/start.S:113
>
> From the bt I see what:
> - QT call (QFileDialog::getSaveFileName()) to KDE4 the file name select plugin
> through qOverride mechanism where been create KIO::Scheduler::Scheduler()
> object.
> - Next, on finish, QT objects have been full free by delete QApplication().
> - Next, QT-module of the program have been unlinked by dlclose().
> - And after all that we have crash on freeing try for
> IO::Scheduler::Scheduler() which should be removed together with all QT
> infrastructure freeing by QApplication() delete.
>
> Who must be remove KIO::Scheduler::Scheduler()?

I have no idea how you see any of that from the back trace snippet you posted, but as it has already been stated the original issue reported here is not a KDE bug. See comments #12 and #13 ; especially the link given in comment 13.

> P.S. And other bug. KDE4 override file dialog, from
> QFileDialog::getSaveFileName(), have not been localized and the warning have
> place on start:
> KGlobal::locale::Warning your global KLocale is being recreated with a valid
> main component instead of a fake component, this usually means you tried to
> call i18n related functions before your main component was created. You should
> not do that since it most likely will not work

Please do not mix unrelated bug reports. You are free to open another ticket for this issue if one already does not exist for it.