Server refused to start a shell/command (Buildroot - RPi)

[Kevin Hill]

Dear Matt & Peter,

Mounting the missing /dev/pts got it working at last.
Many thanks for your help & support.

Kevin.


On 2015-01-14 16:21, Peter Korsgaard wrote:
>>>>>> "Kevin" == Kevin Hill <dropbear at procountsoftware.co.uk> writes:
>
>  > Well, I think that is my problem. /dev/pts did not exist.
>
> Doesn't your /etc/inittab contain a line like this?
>
> git grep /dev/pts system/skeleton/etc/inittab
> system/skeleton/etc/inittab:null::sysinit:/bin/mkdir -p /dev/pts
>
> Are you using mainline 2013.02 or have you made any modifications to
> Buildroot? Can you put your Buildroot .config online somewhere?
>
>
>  > I didn't start from a default buildroot system, but one that was
>  > already cutdown for NOOBS, and probably one that did not need any
>  > PTYs.
>
>  > So I guess my next question is which options in buildroot do I 
> need to
>  > enable in order to support PTYs?
>
> PTYs are a kernel feature, so it doesn't directly have anything to do
> with Buildroot. I believe the kernel config option you need is
> CONFIG_UNIX98_PTYS.
>
>
>  > Is it sufficient to do 'mknod -m 0666 /dev/ptmx c 5 2' ?
>
> No, not if the kernel doesn't have pty support. By default, Buildroot
> uses devtmpfs to manage /dev, so the needed device nodes are
> automatically created (if the kernel is built with support for them).