Can't find device node in /dev/ directory!

Matthias Lange matthias.lange at kernkonzept.com
Thu Oct 27 16:33:01 CEST 2016


On 10/27/2016 04:29 PM, li94575 wrote:
> Hi, 
>    I added some drivers in l4linux, of course, I assigned the
> corresponding peripheral resources (iomem, irq) to these drivers.
> From the driver's output log, it seems that they all work well, but when
> entering the command line, I could not find any relevant
> device node in /dev/ directory. To my confusion, I can see these devices
> info in /sys/ directory. 
>   The command line args is showing below:
>   mem=64M console=ttyLv0 l4x_rd=rom/ramdisk-" ..  L4.Info.arch() .. ".rd
> ramdisk_size=4000
>   Any idea?

Do you have devtmpfs configured in your L4Linux kernel? Did you ran udev
or mdev to populate /dev?

Best,
Matthias.



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