Modular xorg: [drm] Failed to map DMA buffers list

[Ian Romanick]

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Tilman Sauerbeck wrote:

> The drm error message above apparently is from
> xf86-video-mga-1.2.1.1/src/mga_dri.c:962
> The function that's failing is drmMapBufs(), which is failing at the 2nd
> time the DRM_IOCTL_MAP_BUFS ioctl is called.
> Although I installed libdrm 2.0 (which contains that function), it seems
> xorg is using xf86drm.c from the xorg-server package.
> Not sure whether that's a problem, but it seems weird to me.

There were some problems in the MGA DRM from early August that went
unnoticed until a month or so ago.  Try either updating to DRM CVS or
adding 'Option "OldDmaInit" "true"' to your device section.
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