qt4 and xcb

[Jeremy A. Kolb]

On Thu, 22 Feb 2007, [utf-8] S.Çağlar Onur wrote:

> Hi;
> 
> 22 Şub 2007 Per tarihinde şunları yazmıştınız:
> > > [caglar at zangetsu][~/Desktop/sqliteman-0.99/sqliteman/sqliteman]>
> > > LC_ALL=C ./sqliteman
> > > sqliteman: xcb_xlib.c:41: xcb_xlib_lock: Assertion `!c->xlib.lock'
> > > failed. Ä°ptal edildi
> >
> > Poke the author :)
> 
> Ok, I'll
> 
> > > [caglar at zangetsu][~/Desktop/sqliteman-0.99/sqliteman/sqliteman]> LC_ALL=C
> > > designer-qt4
> > > designer-qt4: xcb_xlib.c:41: xcb_xlib_lock: Assertion `!c->xlib.lock'
> > > failed. Ä°ptal edildi
> >
> > We use libx11 with xcb anabled and we don't have such a error on designer (
> > qt4.2.2 too )
> 
> Interesting, here all qt4 applications (including designer/asistant and even 
> qt4 examples) failes with following error.
> 
> > > Is it a known issue or will report to trolltech?
> >
> > Well some apps need fixing but is not qt4 fault.
> >
> > Read this :
> >
> > http://people.debian.org/~terpstra/message/20061127.041128.8a08d75f.en.html
> 
> Hmm maybe this is because we are using qt-copy from KDE, are you using vanilla 
> one? If so that maybe introduced by one of the patches from KDE.
> 
> Cheers
> 

This error usually shows up because of extensions not locking properly.  
Make sure you update all of your x11 extensions to the latest versions.

Jeremy