[Mplayer-users] Framebuffer mapping failed

[Andreas Schuldei]

I try to get dga to run, after xv works well. (in fact I thought
that mga or xmga would be even faster, but mplayer -vo help does
not offer that option!).

I get this output: mplayer -vo dga Fina...
[...]
Detected video codec: [mpeg12] drv:1 (MPEG 1 or 2)
vo: X11 running at 1280x1024 with depth 16 and 16 bits/pixel (":0.0" => local display)
vo_dga: Mode: depth=15, bpp=16, r=007c00, g=0003e0, b=00001f, native (fast),     (-bpp 15)
vo_dga: Mode: depth=16, bpp=16, r=00f800, g=0007e0, b=00001f, native (fast),     (-bpp 16)
vo_dga: Mode: depth=24, bpp=24, r=ff0000, g=00ff00, b=0000ff, native (fast),     (-bpp 24)
vo_dga: Mode: depth=24, bpp=32, r=ff0000, g=00ff00, b=0000ff, native (fast),     (-bpp 32)
VO: [dga] 352x240 => 1280x872 Planar YV12 fs
vo_dga: DGA 2.0 available :-) Can switch resolution AND depth!
vo_dga: Selected hardware mode 1280 x 1024 @  85 Hz @ depth 16, bitspp 16.
vo_dga: Video parameters by codec: 352 x 240, depth 16, bitspp 16.
vo_dga: Framebuffer mapping failed!!!
FATAL: Cannot initialize video driver!

I have a matrox G450, and these modules loaded:
/sbin/lsmod
Module                  Size  Used by
matroxfb_g450           2160   0 (unused)
matroxfb_base          17968  63 [matroxfb_g450]
matroxfb_Ti3026         5424   0 [matroxfb_base]
matroxfb_DAC1064        6816   0 [matroxfb_base]
matroxfb_accel          9760   0 [matroxfb_base matroxfb_Ti3026 matroxfb_DAC1064]
fbcon-cfb8              3808   0 [matroxfb_accel]
fbcon-cfb16             4448   0 [matroxfb_accel]
fbcon-cfb24             4736   0 [matroxfb_accel]
fbcon-cfb4              2624   0 [matroxfb_accel]
fbcon-cfb32             4160   0 [matroxfb_accel]
matroxfb_misc           5168   0 [matroxfb_g450 matroxfb_base matroxfb_Ti3026 matroxfb_DAC1064 matroxfb_accel]
mga                    99104   0 (unused)
agpgart                25696   1

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