Re: 'guix system vm' questions

[myglc2 <myglc2@gmail.com>]

David Craven <david@craven.ch> writes:

[...]
>>
>> From: myglc2 <myglc2@gmail.com>
>>
>> David Craven <david@craven.ch> writes:
>>
>>> So I packaged rng-tools and created a shepherd service, but I realized
>>> that the service needs to be started before the activation part of the
>>> lsh service. What's the best way to do this?
>>>
>>> https://git.lysator.liu.se/lsh/lsh/blob/master/src/lsh-make-seed.c#L1075
>>>
>>> On Wed, Jun 29, 2016 at 8:23 PM, David Craven <david@craven.ch> wrote:
>>>> HW_RANDOM_VIRTIO is enabled in the default kernel.
>>>>
>>>> Starting the vm like this enables the hwrng:
>>>> /gnu/store/3rqbwx34kfa789jbywfbxl90nids08cf-run-vm.sh -device virtio-rng-pci
>>>> and it works as can be verified by
>>>> cat /dev/hwrng
>>>>
>>>> The only missing components from what I can tell is packaging rng-tools
>>>> and adding a service to add /dev/hwrng to the entropy pool on boot.
>>>>
>>>> https://git.kernel.org/cgit/utils/kernel/rng-tools/rng-tools.git/
>>>>
>>>>> We should look into QEMU's VirtIO RNG, which could help here:
>>>>> http://wiki.qemu-project.org/Features-Done/VirtIORNG
>>
>> This sounds great. I see you submitted patches. Am I correct in thinking
>> that the next step is to add an lsh-option option that uses rmg-tools
>> instead of lsh-make-seed to set the yarrow seed?
>>
> @myglc2 the simplest workaround to this issue is to add -device
> virtio-rng-pci to your qemu flags ...

Thanks, that works but ...

> ... and patch lsh to use /dev/hwrng in the /bin/lsh-make-seed file I
> linked to in a previous reply.

... I don't follow this. Are you referring to the posts above?

I have your "b58cbf9 * services: Add rngd-service."  patch. Is the idea
to add entropy so we don't need to bang on the keyboard? Or is an
additional patch required/in the pipeline/a self help item?

Thanks - George