(In reply to Christian König from comment #16)
> (In reply to poub365-bugzilla from comment #15)
> > The program 'dolphin-emu' received an X Window System error.
> > This probably reflects a bug in the program.
> > The error was 'BadWindow (invalid Window parameter)'.
> >   (Details: serial 8835 error_code 3 request_code 38 minor_code 0)
> >   (Note to programmers: normally, X errors are reported asynchronously;
> >    that is, you will receive the error a while after causing it.
> >    To debug your program, run it with the --sync command line
> >    option to change this behavior. You can then get a meaningful
> >    backtrace from your debugger if you break on the gdk_x_error() function.)
> > terminate called without an active exception
> > Abandon (core dumped)
> > 
> > I attach my dmesg and xorg.log just in case.
> 
> That's a completely different issue, not even sure if it is a driver problem
> at all.

It's not - request #38 is XQueryPointer, which GL drivers don't do.