Problem with gpg-agent and yubikey since openssh v6.8p1

[Damien Miller]

On Tue, 24 Nov 2015, the2nd at otpme.org wrote:

> Hi,
> 
> i'm unsure if the problem we encounter is a bug in openssh or in gnupg. But as
> everything was working with openssh 6.7p1 and earlier i guess that there where
> at least some changes in openssh that leads to the problem.
> 
> You can read the latest discussion about the problem here:
> 
> https://www.mail-archive.com/gnupg-users%40gnupg.org/msg29421.html
> https://www.mail-archive.com/gnupg-users@gnupg.org/msg28416.html
> 
> I hope to get some help on this list as its an very annoying problem and using
> an old openssh version is just a bad workaround.
> 
> If you need any more information or help debugging i'm glad to help.

At the very least, we'd need the output of "ssh -vvv user at host" for a
failing attempt.

-d