Help: "XF86DGAGetVideo:failed to map video memory". I used libXxf86dga-1.1.1 on Ubuntu 10.04 on intel GMA 4500MHD(Intel GM45 chipset)

[Focus.Luo]

Hi all,

1, Does the intel GM45 chipset support DGA(direct graphic access)?

2, If it supports, why I used the function XF86DGAGetVideo(dis, DefaultScreen(dis), &addr, &width, &bank, &ram); and It returen "XF86DGAGetVideo:failed to map video memory". But I used the function XF86DGAQueryDirectVideo, It work well. Does somebody can help me?

thanks,



DGA(direct graphic access) Lib: libXxf86dga-1.1.1

Xserver: xorg

Graphic Driver: intel_drv.so 2.9.1

OS: Ubuntu 10.04

Gpaphic: intel GMA 4500MHD(Intel GM45 chipset)



Focus Luo
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