command 'LEARN' failed: No inquire callback in IPC

NIIBE Yutaka gniibe at
Tue May 16 09:24:00 CEST 2017

"Rogers, Dustin" <Dustin.Rogers at> wrote:
> I have recently installed gnupg 2.1.20 from source on a centos6.8 box.

What's the configure option?  Did you enable smart card support with

> [root at system1 ~]# gpg --card-edit
> gpg-agent[5158]: DBG: chan_8 -> OK Pleased to meet you, process 5159
> gpg-agent[5158]: DBG: chan_9 <- OK PKCS#11 smart-card server for GnuPG ready

This is not the scdaemon from GnuPG.

Please install scdaemon of GnuPG and try again with that.

More information about the Gnupg-users mailing list