dd /dev/random hangs on RPI-B+

[Ronald Klop]

On Mon, 03 Nov 2014 13:31:55 +0100, sig6247 <sig6247 at list.ru> wrote:

>
> Hi,
>
> I'm running r273923, just noticed dd hangs with /dev/random,
> something like
>
> % dd if=/dev/random of=/dev/null bs=512K count=1
>
> It never returns and takes all the CPU, and this process can't be
> killed. I also tried dd if=/dev/zero or dd if=/dev/mmcsd0, they
> both look fine.
>
> Any help would be appreciated.


Hi,

There were some significant changes to the random device recently. There  
are fixes after r273923, so it is worth to try updating your source tree  
and building a new image.
NB: I assume you run 11-CURRENT.

Ronald.