Re: [PATCH] busybox/mdev: Ensure /sys is mounted before using it

[Andreas Oberritter <obi@opendreambox.org>]

Hi Khem,

On 07.04.2016 09:02, Khem Raj wrote:
> echo would fail if /sys is not mounted and boot would abort

are you sure about the dependency between echo and sysfs? It seems quite
unlikely to me. I'd guess the real problem is mdev failing to start
without sysfs.

Regards,
Andreas


> 
> Signed-off-by: Khem Raj <raj.khem@gmail.com>
> ---
>  meta/recipes-core/busybox/files/mdev | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/meta/recipes-core/busybox/files/mdev b/meta/recipes-core/busybox/files/mdev
> index 9625247..8c9c06e 100755
> --- a/meta/recipes-core/busybox/files/mdev
> +++ b/meta/recipes-core/busybox/files/mdev
> @@ -1,10 +1,12 @@
>  #!/bin/sh
> -
> +mount -t proc proc /proc
> +mount -t sysfs sysfs /sys
>  mount -t tmpfs tmpfs /dev  -o size=64k,mode=0755
>  mkdir /dev/pts /dev/shm
>  chmod 777 /dev/shm
>  mount -t devpts devpts /dev/pts
>  touch /dev/mdev.seq
> +#sysctl -w kernel.hotplug=/sbin/mdev
>  echo "/sbin/mdev" > /proc/sys/kernel/hotplug
>  mdev -s
>  
>