[1.16.2/mdev] "Can't open /proc/sys/kernel/hotplug"

Gilles codecomplete at free.fr
Mon May 30 11:21:43 UTC 2011


On Mon, 30 May 2011 12:12:27 +0200, Harald Becker <ralda at gmx.de>
wrote:
>Looks like your kernel has not enabled hotplug-ing. That way you are
>able to use static device file creation in a more or less reliable way.
>You are not forced to use mdev or any other way of dynamic device file
>creation, if you carefully look at your kernel device lists and create
>corresponding device files (different kernels/systems may use different
>major/minor numbers). However you can use mdev (it is not wrong), but
>you need to reseed your device file system manually whenever you change
>the connected devices.

Thanks for the infos. Actually, I don't need hotplugging, as the
appliance doesn't even have a USB port.

The reason I'm trying mdev now is because I couldn't find the
major.minor infos to handle a Ubi(fs) mtd NAND partition.

Where can I find this information? In the kernel source?



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