ubuntu server 7.04 console framebuffer resolution

Mitch flik at barkingants.com
Tue Sep 25 07:50:24 UTC 2007


On Mon, Sep 24, 2007 at 09:46:32PM -0400, Clem Takahashi wrote:
> Ubuntu users,
> 
> I just loaded ubuntu server (minimal install - no X server) for the first
> time and would like to use the framebuffer vesa video modes for my tty
> console.  In slackware I could do this by setting the vga=<vesa mode, e.g.
> 791> in lilo or grub.  Apparently that's not how it's done in Ubuntu.  There
> is an fbcon (which presumably stands for "framebuffer console") module
> loaded so framebuffers are apparently not compiled into the kernel but are
> available as modules, so how do I use the framebuffer video mode short of
> recompiling?
> 
> Clem

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I am running Edgy, and the VESA framebuffer is there... here's the                                                                                           
output from 'dmesg | grep framebuffer':                                                                                                                      
                                                                                                                                                             
   [17179573.692000] vesafb: framebuffer at 0xf0000000, mapped to 0xf8880000, using 7680k, total 16384k                                                      
   [17179573.824000] Console: switching to colour frame buffer device 160x64                                                                                 
   [17179573.824000] fb0: VESA VGA frame buffer device                                                                                                       
                                                                                                                                                             
I added 'vga=795' to the following line in /boot/grub/menu.lst...                                                                                            
                                                                                                                                                             
   # defoptions=quiet splash vga=795                                                                                                                         
                                                                                                                                                             
... and then ran 'sudo update-grub'                                                                                                                          
                                                                                                                                                             
Framebuffer console works fine!                                                                                                                              
                                                                                                                                                             
I am _fairly_ certain I did this on a Feisty install as well, but since I                                                                                    
switched back to Edgy, I can't be sure.

-- 
Mitch




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