[CentOS] Xorg problem

[Rosenthal, Shoshana]

Thanks for responding. I really don't know why I have the problem
my computer is a Dell computer with the standard parts.
I am not sure that your fix will work for me.
I am using the computer remotely and am still looking for a
solution.

Thanks
Shoshana

On Tue, Apr 4, 2017 at 10:27 AM, Styma, Robert (Nokia - US/Phoenix) <
robert.styma at nokia.com> wrote:

> > I updated to Centos 6.8.
> > Every thing is working, except Xorg does not startup.
> > When I look at top, it seems that Xorg keeps trying but not
> > succeeding to start.
> > Any idea what the problem might be?
>
> I had the same problem going to 6.8.   In my case the problem stemmed from
> the fact that my machine has a MACH64 video card.  The updated Xorg has a
> reference xf86LinearVidMem. I opened bug 1422622 at bugzilla.redhat.com.
> This was on 2/15/2017.  So far the bug is just sitting there.
>
> My work around was to disable the main repo's in /etc/yum.repos.d and
> enable 6.7 in the vault repo.  Did a distribution synchronization.  Here
> are the notes from what worked:  (may be line wrapping issues in what
> follows)
>
> Went back to the x64 version and figured out
> how to roll back to 6.7:
> mount -t nfs phxbkup2:/iso/centos6.7x64 /media/CentOS
> # This one failed with dependency issues
> yum --disablerepo=\* --enablerepo=c6-media  --releasever=6.7
> distribution-synchronization
> # Erased the problem packages
> yum --disablerepo=\* --enablerepo=c6-media  --releasever=6.7 erase
> python-libipa_hbac-1.13.3-22.el6_8.4.x86_64 mesa-libxatracker-11.0.7-4.el6.x86_64
> xorg-x11-drivers-7.3-13.4.el6.x86_64 mesa-libxatracker-11.0.7-4.el6.x86_64
> yum --disablerepo=\* --enablerepo=c6-media  --releasever=6.7 erase
> xcb-util xcb-util-renderutil
> # Now it worked
> yum --disablerepo=\* --enablerepo=c6-media  --releasever=6.7
> distribution-synchronization
> # put pack the drivers
> yum --disablerepo=\* --enablerepo=c6-media  --releasever=6.7 install
> xorg-x11-drivers
> yum --disablerepo=\* --enablerepo=c6-media  --releasever=6.7 install
> python-libipa_hbac mesa-libxatracker mesa-libxatracker
> #  These not available on the media and not reinstalled.
> python-libipa_hbac mesa-libxatracker mesa-libxatracker
> # Now it worked.
>
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