Gentoo Archives: gentoo-user

From: Daniel Pielmeier <daniel.pielmeier@××××××××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] uvesafb fails to work
Date: Sat, 05 Apr 2008 23:51:43
Message-Id: 47F81080.5050202@googlemail.com
In Reply to: Re: [gentoo-user] uvesafb fails to work by Mick
1 Mick schrieb:
2 > On Wednesday 02 April 2008, Daniel Pielmeier wrote:
3 >> Mick schrieb:
4 >>> # dmesg | grep uvesafb
5 >>> Kernel command line: root=/dev/sda3
6 >>> video=uvesafb:1024x768-32@64,ywrap,mtrr:4
7 >>> splash=silent,fadein,theme:emergence quiet CONSOLE=/dev/tty1
8 >>> uvesafb: ATI Technologies Inc., V380, 01.00, OEM: ATI RV380, VBE v2.0
9 >>> uvesafb: protected mode interface info at c000:5884
10 >>> uvesafb: pmi: set display start = c00c5918, set palette = c00c5964
11 >>> uvesafb: pmi: ports = b010 b016 b054 b038 b03c b05c b000 b004 b0b0 b0b2
12 >>> b0b4 uvesafb: no monitor limits have been set, default refresh rate will
13 >>> be used uvesafb: VBE state buffer size cannot be determined (eax=0x0,
14 >>> err=0) uvesafb: scrolling: ywrap using protected mode interface,
15 >>> yres_virtual=1536 uvesafb: framebuffer at 0xd0000000, mapped to
16 >>> 0xf8880000, using 6144k, total 16384k
17 >> Looks okay, but i don't know much about ATI cards!
18 >
19 >> Can you post the output of
20 >> "cat /sys/devices/platform/uvesafb.0/vbe_modes"
21 >
22 > This is what I get, there's no 1280x1024 available:
23 > ==========================================
24 > 320x200-8, 0x0182
25 > 320x200-15, 0x010d
26 > 320x200-16, 0x010e
27 > 320x200-24, 0x010f
28 > 320x200-32, 0x0120
29 > 320x240-8, 0x0192
30 > 320x240-15, 0x0193
31 > 320x240-16, 0x0194
32 > 320x240-24, 0x0195
33 > 320x240-32, 0x0196
34 > 400x300-8, 0x01a2
35 > 400x300-15, 0x01a3
36 > 400x300-16, 0x01a4
37 > 400x300-24, 0x01a5
38 > 400x300-32, 0x01a6
39 > 512x384-8, 0x01b2
40 > 512x384-15, 0x01b3
41 > 512x384-16, 0x01b4
42 > 512x384-24, 0x01b5
43 > 512x384-32, 0x01b6
44 > 640x350-8, 0x01c2
45 > 640x350-15, 0x01c3
46 > 640x350-16, 0x01c4
47 > 640x350-24, 0x01c5
48 > 640x350-32, 0x01c6
49 > 640x400-8, 0x0100
50 > 640x400-15, 0x0183
51 > 640x400-16, 0x0184
52 > 640x400-24, 0x0185
53 > 640x400-32, 0x0186
54 > 640x480-8, 0x0101
55 > 640x480-15, 0x0110
56 > 640x480-16, 0x0111
57 > 640x480-24, 0x0112
58 > 640x480-32, 0x0121
59 > 800x600-8, 0x0103
60 > 800x600-15, 0x0113
61 > 800x600-16, 0x0114
62 > 800x600-24, 0x0115
63 > 800x600-32, 0x0122
64 > 1024x768-8, 0x0105
65 > 1024x768-15, 0x0116
66 > 1024x768-16, 0x0117
67 > 1024x768-24, 0x0118
68 > 1024x768-32, 0x0123
69 > ==========================================
70 >
71 >>> although the quality of the image is poor (it looks sort of pixelated)
72 >> What do you mean by this? I will attach a grab of a 1024x768 framebuffer
73 >> image with the livecd-2007.0 theme, which looks okay here!
74 >>
75 >> What about trying a higher frequency, i have 75Hz here! Or is your
76 >> monitor not capable of this frequency?
77 >
78 > What I mean is that when if fades in it creates artifacts on the screen (is
79 > this a matter of uvesafb not having acceleration?). Also the background
80 > image when I press F2 is not clear. It looks as if it is a smaller
81 > resolution stretched over a larger screen.
82
83 What about the silent screen does it also look unclear or just the
84 verbose screen.
85
86 I don't have any artifacts here and the picture is clear, even with the
87 connected TV where i only get 1024x768.
88
89 I think I can't help you any further here. Maybe you could contact the
90 maintainer of uvesafb, splashutils (spock@g.o). Probably he could
91 help you, although he seems busy with other things at the moment.
92
93 Regards,
94
95 Daniel
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