[pkg-gnupg-maint] Bug#814584: Bug#814584: gnupg2: gpg2 --card-status fail on armel / Raspberry Pi - "Card error"

[Daniel Kahn Gillmor]

On Thu 2016-03-31 03:56:35 -0400, Petter Reinholdtsen wrote:
> [Petter Reinholdtsen]
>> My only ideas is something is wrong with the armel architecture
>> support of some of the packages involved, or the Raspberry Pi is
>> unable to provide enough power to the smart card reader and smart card
>> for the smart card to work.  Not quite sure how to figure out if any
>> of these ideas are correct.
>
> I managed to borrow a USB power meter and check how much power the smart
> card reader is using when running --card-status.  I was surprised to
> discover that the power consumption was too low to measure.  The ampere
> meter showed 0.00 A, and the voltage stayed put on 5.11 V.  I guess that
> rule out the "not enough power" hypotesis.
>
> I would love to help debug this, but have no idea where to start.
> Perhaps we can discuss this on IRC?

The best place for this discussion on IRC is probably #gnupg on
freenode.  If you can coordinate with gniibe there, he's probably the
most knowledgable person about this situation.

     --dkg