Interesting (wierd) X-server video errors

Larry Hartman larryhartman50 at bellsouth.net
Fri Jun 22 01:02:46 BST 2007


On Thursday 21 June 2007 07:50:23 pm Terence Simpson wrote:
> Larry Hartman wrote:
> > On Wednesday 20 June 2007 06:52:51 pm Terence Simpson wrote:
> >> Larry Hartman wrote:
> >>> OK, I tried to install Beryl-KDE-xgl a couple weeks ago on my robust
> >>> ATI XPress 200M card....it failed.  I figured it would not go....
> >>>
> >>> I purged the whole lot and gave up on it.  No big deal.  I removed all
> >>> of the configuration files and sym-links that the instructions had me
> >>> create.  No big deal.
> >>>
> >>> At about the same time--I am unsure if this correlates with my attempt
> >>> at Beryl--I began getting an unusual error on the video.  When I switch
> >>> to virtual terminals ALT-F1-6/F8-9, I get a screen filled with vertical
> >>> flashing colored stripes.  The terminal still works, but is invisible
> >>> to the user.
> >>>
> >>> I have the same symptoms with both the opensource and the ATI fglrx
> >>> drivers, which led me to believe this is an x-server issue.  So I
> >>> reinstalled X-server, no change.  Just to make sure that it had nothing
> >>> to do with KDM, I switched momentarily to GDM, then purged and reloaded
> >>> KDM...no change.
> >>>
> >>> The good thing in all of this is that the KDM/KDE is still
> >>> operational...so I am not dysfunctional.
> >>>
> >>> Would like some advice to troubleshoot this....also presents another
> >>> good Linux learning opportunity.
> >>>
> >>> Larry
> >>
> >> Don't know exactly how/why this happened, but it sounds a lot like a
> >> problem I experienced when I used my video cards frame buffer device and
> >> X together. What will probably help is to disable the frame-buffer
> >> module. I'm not sure what that module is, but you can start with "lsmod
> >> | grep fb" then just add the name of that module to
> >> /etc/modprobe.d/blacklist-framebuffer
> >>
> >> Hope that helps,
> >> Terence
> >
> > output of lsmod | grep fb:
> >
> > fbcon                  41760  0
> > tileblit                2688  1 fbcon
> > font                    8320  1 fbcon
> > bitblit                 6016  1 fbcon
> > vesafb                  8196  0
> >
> > Is the vesafb the mod you are speaking of?
> >
> > I have fglrx running--proper output of fglrxinfo--so why would vesafb be
> > running simultaneously with fglrx?
> >
> > Larry
>
> hmm, no, that's the same output as I get. Not sure then
>
> Terence

I will know for sure on the next version of the ATI driver I suppose.  When I 
deinstalled the X-server and reloaded, the error went away, until, of course, 
I added ATI driver back into the mix.  Funny but not a show stopper by any 
stretch.

Larry



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