[dvifb] framebuffer

[Farnis <farnis@libero.it>]

Non riesco a far funzionare dvifb, un previewer per i file dvi (TeX) per
console in framebuffer. L'errore è:

.,-''-,..,-''-,..,-''-,..,-''-,..,-''-,..,-''-,..,-''-,..,-''-,. 
farnis@shelly:~/doc/Architettura/LR$ dvifb manifattura_v0.6.dvi
This is some kind of a DVIewer, V01.03
(C)opyright 1995 Thomas Moor

writefb: open: f(/dev/fb0)(VESA VGA)
fatal error: writefb: pseudocolor, packed-pixels, 8bpp required
     ... try fbset utility?

     writefb: restore console: f
.,-''-,..,-''-,..,-''-,..,-''-,..,-''-,..,-''-,..,-''-,..,-''-,. 

I permessi in /dev/fb* sono:

.,-''-,..,-''-,..,-''-,..,-''-,..,-''-,..,-''-,..,-''-,..,-''-,. 
shelly:/usr/src/linux# ll /dev/fb*
crw-rw-rw-    1 root     tty       29,   0 lug  5  2000 /dev/fb0
crw-rw-rw-    1 root     tty       29,   1 lug  5  2000 /dev/fb0autodetect
crw-rw-rw-    1 root     tty       29,   0 lug  5  2000 /dev/fb0current
.,-''-,..,-''-,..,-''-,..,-''-,..,-''-,..,-''-,..,-''-,..,-''-,. 

shelly:/usr/src/linux# fbset

mode "640x480-73"
    # D: 30.720 MHz, H: 36.923 kHz, V: 73.260 Hz
    geometry 640 480 640 480 32
    timings 32552 80 32 16 4 80 4
    rgba 8/16,8/8,8/0,8/24
endmode

Ho compilato il kernel con le seguenti opzioni:

CONFIG_VGA_CONSOLE=y
CONFIG_VIDEO_SELECT=y
CONFIG_FB=y
CONFIG_DUMMY_CONSOLE=y
CONFIG_FB_VESA=y
CONFIG_FBCON_ADVANCED=y
CONFIG_FBCON_MFB=y
CONFIG_FBCON_CFB2=y
CONFIG_FBCON_CFB4=y
CONFIG_FBCON_CFB8=y
CONFIG_FBCON_CFB16=y
CONFIG_FBCON_CFB24=y
CONFIG_FBCON_CFB32=y
CONFIG_FBCON_VGA_PLANES=y
CONFIG_FONT_8x8=y
CONFIG_FONT_8x16=y

ma ho notato che al riavvio del kernel modprobe non ha trovato fbcon-vga
ed in /lib/modules/2.2.19 manca completamente la sezione video.

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