Re: Unable to boot new buster installation

["Gary L. Roach" <garyroach719.lists@gmail.com>]

On 6/10/20 12:10 PM, Henning Follmann wrote:
> On Wed, Jun 10, 2020 at 10:53:53AM -0700, Gary L. Roach wrote:
> > On 6/10/20 5:17 AM, Dominique Dumont wrote:
> > > On dimanche 7 juin 2020 21:14:20 CEST Gary L. Roach wrote:
> > > > I recently up graded this system to Bullseye and then ran into trouble
> > > > with the lack of Qt4  and had to re-install Buster. The installation
> > > > went fine until kde desktop tried to start. The system froze with the
> > > > following message:
> > > >
> > > > The current input timing is not supported by the monitor
> > > > display. Pleas change your input timing to 1920x1200@60Hz or any other
> > > > monitor listed timing as per the monitor specifications.
> > > Is the login/password window showing up ?
> > >
> > > Does this message show before or after logging in ?
> > >
> > > > I'm using a Dell U2412M monitor on an AMD 64 4 core system. The monitor
> > > > worked fine before and still works fine on another computer. I tried
> > > > both xrandr and compiz in Recovery Mode. In both cases I got "Can't open
> > > > display".
> > > In recovery mode, xorg is not running so xrandr has no X server to connect to.
> > >
> > > HTH
> > The sequence of events on boot up are Bios screen, Debian Window with OS
> > selection, Boot up sequence, login/password ( Xorg not running), startx ->
> > error window. So to answer your question, the message is after
> > login/password.
> >
> > I hope this gives you some incite to my problem. I tried the other
> > suggestions with no results.
> >
> > Question: Where is the file that contains the display setup (ie refresh
> > rate, resolution.) Where would randr get its information if Xorg was
> > running?
> That might be actually your issue here. If you at one point created a
> xorg.conf (check "man xorg.conf" for all possible locations) it might
> get in your way. By default a modesetting server is started which
> collects the monitor's EDID information and sets the modeline
> automagically.
> Would you try moving any existing xorg.conf out of the way and
> starting xorg without?
>
> -H
Interesting that using locate I could not find a copy of xorg.conf 
anywhere in my system. There is a /usr/share/X11/xofg.conf.d/ directory 
that has the following files:

10-amdgpu.conf

10-quirks.conf

10-radeon.conf

40-libinput.conf

70-wacon,conf

I searched through all of the directories that were listed in the man 
xorg.conf help page and found nothing.

Gary R.