[Buildroot] Udev generates too many tty dev nodes

[Jérôme Pouiller]

On Thursday 17 January 2013 01:48:41 Willy Lambert wrote:
> Hi all,
Hi,

> I'm trying to put my /dev folder into order, and I recently switched
> from static config to udev. All device are correctly set up exept tty*
> that are umerously present (something like 64 nodes).
> 
> _ Does anyone know if it is normal that so many files are generated ?
> (or said differently should I wonder about my buildroot outputs)
> _ Is there any mean to change that ?
> _ Is this only and udev problem or is it linked to buildroot integration ?
Udev only create devices declared by kernel. So this setting is somewhere in 
kernel configuration.


> I think it's a quite "common problem" but googling it didn't helped :(
> The better answer was that :
> http://unix.stackexchange.com/questions/25021/change-the-number-of-generated
> -dev-tty-devices but it's a bit hackish... I generate a rootfs from scratch
> so I want to manage everything that's happening inside, so in this case I
> want to tell it how many device it may/should create.
It looks, there is no configuration entry to change this setting. 
Nevertheless, you can try to change MAX_NR_CONSOLES from linux/vt.h. 

BR,

-- 
Jérôme Pouiller