Frame Buffer

 
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t_ziel



Joined: 10 May 2006
Posts: 5

PostPosted: Thu May 11, 2006 7:43 pm    Post subject: Frame Buffer Reply with quote

How can I enable frame buffer and set high resolution (1024x768, 800x600) in console? Thank You for advice.
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sofar



Joined: 11 Aug 2005
Posts: 172

PostPosted: Thu May 11, 2006 9:57 pm    Post subject: read Reply with quote

that depends on your bootloader and kernel. Please read `man lilo`, `info grub` and /usr/src/linux/Documentation/fb/*
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t_ziel



Joined: 10 May 2006
Posts: 5

PostPosted: Thu May 11, 2006 11:26 pm    Post subject: Re: read Reply with quote

sofar wrote:
that depends on your bootloader and kernel. Please read `man lilo`, `info grub` and /usr/src/linux/Documentation/fb/*
Thanks, I will read this docs. BTW. What do You recommend, grub right?
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ElAngelo



Joined: 10 Aug 2005
Posts: 77

PostPosted: Fri May 12, 2006 6:56 am    Post subject: Reply with quote

most ppl on lunar will use lilo...
but since the 1.6.0 cd grub works perfectly fine...

options you should turn on in the kernel :
Code:

  │ │     Device Drivers  --->                                            │ │
  │ │     Graphics support  --->                                          │ │
  │ │ <*> Support for frame buffer devices                                │ │
  │ │ [*]   VESA VGA graphics support                                     │ │
  │ │     Console display driver support  --->                            │ │
  │ │ [*]   Video mode selection support                                  │ │
  │ │ <*> Framebuffer Console support                                     │ │
  │ │     Logo configuration  --->                                        │ │
  │ │ [*] Bootup logo                                                     │ │
  │ │ [*]   Standard 16-color Linux logo                                  │ │

that are all the option you should turn on...
mind you ... don't use the nvidia/riva fb drivers as they are not compatible with the binary NVIDIA driver (closed source provided by nvidia.com) (that's when you have an nvidia card...)

add vga=794 in the kernel line for 1280x786 in your menu.lst:
Code:

title   2.6.16.14
kernel  /2.6.16.14 root=/dev/sda2 ro vga=794
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t_ziel



Joined: 10 May 2006
Posts: 5

PostPosted: Fri May 12, 2006 10:08 am    Post subject: Reply with quote

ElAngelo You are Great. Thank You Smile
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t_ziel



Joined: 10 May 2006
Posts: 5

PostPosted: Sat May 13, 2006 2:13 pm    Post subject: Reply with quote

I have got only blank screen (everything works fine, I can login but I cannot see anything on console). Should I create:
mknod /dev/fb1 c 29 32
mknod /dev/fb2 c 29 64
?
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The X Reality



Joined: 17 Jan 2006
Posts: 9

PostPosted: Sun May 14, 2006 6:59 pm    Post subject: nVidia Woes Reply with quote

The VESA framebuffer will not work with nVidia cards. Every time I've tried has resulted in the text before the framebuffer frozen on the screen with a blue blinking cursor. I've been at a loss as to what to do other than either use Gentoo's VESAfb-TNG or go without one.
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ElAngelo



Joined: 10 Aug 2005
Posts: 77

PostPosted: Sun May 14, 2006 7:29 pm    Post subject: Reply with quote

well it seems to work perfectly fine here... both on my tnt2, gf4ti4400, gf5700fx and gf6200... without a glitch... of course you must select correct resolutions...
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t_ziel



Joined: 10 May 2006
Posts: 5

PostPosted: Sun May 14, 2006 8:07 pm    Post subject: Reply with quote

I have realized that I have commited mistakes in kernel configuration, ElAngelo is probably correct...

Thanks and regards!
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