[Savage40] Black screen when exiting xorg on IBM T23 with external monitor problem

[Alex Deucher]

--- Troy <sindrome at twisted.net> wrote:

> Hello,
> 
> I'm having a strange problem and have been emailing with Tim Roberts
> on
> it.  He suggested I post it to the list as he does not have a strong
> background with FreeBSD.
> 
> 
> I have an IBM T23 ThinkPad which uses the savage driver running
> FreeBSD
> RELENG_5.  Everything works fine if the laptop is NOT connected to
> the
> KVM.  I can boot up, launch KDE, exit and the console resets itself
> fine.
> 
> When I'm connected to my KVM with an external monitor, I can boot the
> machine up and use the console just fine.  When I go to launch KDE,
> the
> external monitor works fine with nice 1600x1200 resolution.  Once I
> exit
> from KDE, the video mode does not reset the terminal properly and the
> monitor just shows a black screen as if the video mode is not
> supported.  
> 
> >From that point, I can blindly type "startx" and get back into KDE
> and
> the monitor will work properly, but I cannot get it to reset the
> console
> properly.   If I toggle the video back to the laptop screen, I see
> vertical lines on the screen.
> 
> The only way I can get it to clear is by shutting off the machine and
> rebooting.  I recompiled my kernel with and without VESA, tried using
> video modes that I know work in the console but nothing will reset it
> back after exiting KDE.  Any insight would be great.
> 
> Thanks Again,
> 
> -Troy
> 
>

did you try any of my suggestions?  perhaps the bios thinks that there
are no devices attached since the lcd is off and most kvms don't seem
to play havoc with vga ports when detecting presence or DDC.  does
pressing fn-f7 to switch outputs help?  what about running s3switch?

Alex




	
		
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