Some questions about mdev

Alexander Griesser support at
Mon Aug 16 14:58:19 UTC 2010

On 13.08.2010 08:18, Natanael Copa wrote:
>> Another problem ist hat the DRM device nodes below /dev/dri are not created
>> automatically by mdev, when I f.ex. `modprobe i915`, I can see
>> that the kernel hotplug mechanism calls mdev, but the files necessary
>> for running with hardware acceleration (namely /dev/dri/card0 and
>> /dev/dri/controlD64) are not created automatically. If I create them by
>> hand before starting the X server, hardware acceleration works,
>> otherwise it just says it can’t find the device files.
> Try add this line to /etc/mdev.conf:
> card[0-9]       root:video 0660 =dri/

Thanks, that worked.


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