[CentOS] X Windows has quit working

[A. Kirillov]

> > Not sure when it stopped working as I don't use it often.  Maybe since the
> > upgrade from 5.2 to 5.3.  Can't say for sure as it's been a while since
> > tried to start X.
> >
> > The errors I receive when startin X are:
> >
> > (EE) I810(0): unknown reason for exception
> > (EE) I810(0): cannot continue
> > (EE) I810(0): VBE initialization failed
> > (EE) Screen(s) found but none have a usable configuration
> >
> > Fatal server error:
> > No screens found

If you're on x86_64 try intel driver instead of i810.
See section "9.3. x86_64 Architectures" of upstream release notes.
HTH