I checked the symlink, and it is pointed to the running kernel~~~ when I recompile the kernel with DRM support, all things back to normal......
2010/5/20 Dale <rdalek1...@gmail.com> > Chen Huan wrote: > >> Hi everyone, after I installed virtualbox, when I compile the kernel and >> execute "make modules_install", the message appears: >> >> WARNING: /lib/modules/2.6.33-gentoo-r2/misc/vboxvideo.ko needs unknown >> symbol drm_open >> WARNING: /lib/modules/2.6.33-gentoo-r2/misc/vboxvideo.ko needs unknown >> symbol drm_fasync >> WARNING: /lib/modules/2.6.33-gentoo-r2/misc/vboxvideo.ko needs unknown >> symbol drm_poll >> WARNING: /lib/modules/2.6.33-gentoo-r2/misc/vboxvideo.ko needs unknown >> symbol drm_core_get_reg_ofs >> WARNING: /lib/modules/2.6.33-gentoo-r2/misc/vboxvideo.ko needs unknown >> symbol drm_ioctl >> WARNING: /lib/modules/2.6.33-gentoo-r2/misc/vboxvideo.ko needs unknown >> symbol drm_exit >> WARNING: /lib/modules/2.6.33-gentoo-r2/misc/vboxvideo.ko needs unknown >> symbol drm_core_get_map_ofs >> WARNING: /lib/modules/2.6.33-gentoo-r2/misc/vboxvideo.ko needs unknown >> symbol drm_init >> WARNING: /lib/modules/2.6.33-gentoo-r2/misc/vboxvideo.ko needs unknown >> symbol drm_vblank_init >> WARNING: /lib/modules/2.6.33-gentoo-r2/misc/vboxvideo.ko needs unknown >> symbol drm_mmap >> WARNING: /lib/modules/2.6.33-gentoo-r2/misc/vboxvideo.ko needs unknown >> symbol drm_core_reclaim_buffers >> WARNING: /lib/modules/2.6.33-gentoo-r2/misc/vboxvideo.ko needs unknown >> symbol drm_release >> >> >> and when I execute "modprobe vboxvideo", it saied >> >> FATAL: Error inserting vboxvideo >> (/lib/modules/2.6.33-gentoo-r2/misc/vboxvideo.ko): Unknown symbol in module, >> or unknown parameter (see dmesg) >> >> the output of dmesg is : >> >> vboxvideo: Unknown symbol drm_open >> vboxvideo: Unknown symbol drm_fasync >> vboxvideo: Unknown symbol drm_poll >> vboxvideo: Unknown symbol drm_core_get_reg_ofs >> vboxvideo: Unknown symbol drm_ioctl >> vboxvideo: Unknown symbol drm_exit >> vboxvideo: Unknown symbol drm_core_get_map_ofs >> vboxvideo: Unknown symbol drm_init >> vboxvideo: Unknown symbol drm_vblank_init >> vboxvideo: Unknown symbol drm_mmap >> vboxvideo: Unknown symbol drm_core_reclaim_buffers >> vboxvideo: Unknown symbol drm_release >> >> >> But when I use Virtualbox, all things are normal, I wanna know why there >> are so many warnings, and why I cannot modprobe vboxvideo >> >> Does it because my kernel didn't include DRM? >> >> Many thanks >> >> > I don't know anything about virtualbox but are you sure you have the > symlink pointing to the running kernel? I mention because it sounds like > something I would do. ;-) > > Dale > > :-) :-) > >