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Bug#811461: libqtgui4: Blank windows with "non-default" users



On Thursday 21 January 2016 17:56:17 Linus Lüssing wrote:
> On Tue, Jan 19, 2016 at 12:23:25PM -0300, Lisandro Damián Nicanor Pérez 
Meyer wrote:
> > Control: tag -1 moreinfo
> > 
> > Do you see any strange messages in ~/.xsession-errors ?
> 
> Hm, no errors in there.

¿something about no permissions? Have you checked user B's .xsession-errors?

> > I also don't fully understand what you do. For what I read I think you
> > start an X session by running Xtightvnc with user A and then you want to
> > run some Qt4 tool with user B, right?
> 
> Correct :).

ACK.
 
> > Anyways Qt4 is in security fixes only mode, so I won't get help from
> > upstream to solve this.
> > 
> > If you can also try to see what happens with Qt5 apps.
> 
> Qt5 apps seem to run fine too. Just tested dolphin, musescore and
> ktimer. So seems to be just Qt4 related.

Then I'm afraid chances to get this solved are quite low except someone starts 
digging the code. And even if we find the problem (and turns out to be Qt4 
itself) we would need to keep the patch as a delta as upstream has closed any 
kind of development in qt4, even bugfixes.

Your best hope here is to ping your Qt4 apps' developers and maintainers to 
port their apps to Qt5 :-(

Kinds regards, Lisandro.

-- 
http://mx.grulic.org.ar/lurker/message/20081108.174208.4f42e55c.es.html
Así se corrobora el software legal en Argentina

Lisandro Damián Nicanor Pérez Meyer
http://perezmeyer.com.ar/
http://perezmeyer.blogspot.com/

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