scdaemon lockup with Yubikey NEO

[Lance R. Vick]

This happens to me constantly as well. I my case I frequently need to kill
and restart gpg-agent to get things working again on both Arch Linux and
Gentoo.

On Sat, Nov 21, 2015 at 4:41 AM, the2nd <the2nd at otpme.org> wrote:

> Hi Ben,
>
> We have a similar Problem since we've upgraded from Ubuntu 15.04 to
> 15.10.  When starting gpg-agent with --log-file the log show the following:
>
> 2015-05-30 13:49:36 gpg-agent[3600] error accessing card: Conflicting use
> 2015-05-30 13:49:36 gpg-agent[3600] smartcard signing failed:
> Conflicting use
> 2015-05-30 13:49:38 gpg-agent[3600] error getting default authentication
> keyID of card: Conflicting use
>
> I've asked the list serval times about this issue but got now answer yet.
> So i dont have a solution but it may be interesting if your problem is the
> same...
>
> Regards
> The2nd
>
>
> -------- Ursprüngliche Nachricht --------
> Von: Ben Warren
> Datum:11.20.2015 16:26 (GMT+01:00)
> An: gnupg-users at gnupg.org
> Betreff: scdaemon lockup with Yubikey NEO
>
> Hi,
>
> I’ve noticed several other problem reports that seem similar, hopefully
> they’re all related and there’s a simple fix.
>
> The problem:
>
> After an indeterminate amount of time (sometimes minutes, sometimes
> hours), any GPG operation that uses my Yubikey NEO device hangs.  The two
> most common operations are SSH authentication and git signing.  The
> following sequence gets things going again:
>
> $ killall -SIGKILL scdaemon
>
> $ gpg2 —card-status
>
> System particulars:
>
>
>    - Host OS is OS-X Yosemite, although it is also present on Mavericks
>    (haven’t tried El Capitan yet)
>    - GPG 2.1.5
>    - Using the Yubikey’s authentication subkey to login to remote Linux
>    hosts
>    - Using the Yubikey’s signing subkey for git signing operations, both
>    local and remote
>    - Using gpg-agent for forwarding both GPG and SSH (great features,
>    BTW!)
>
>
> GPG configuration file:
>
> $ cat ~/.gnupg/gpg-agent.conf
>
> default-cache-ttl 1
>
> ignore-cache-for-signing
>
> no-allow-external-cache
>
> max-cache-ttl 1
>
> extra-socket ${HOME}/.gnupg/S.gpg-extra-agent
>
> debug-all
>
> log-file ${HOME}/.gnupg/mygpglogfile.log
>
> enable-ssh-support
>
>
> I’ll be happy to help debug this, but need some guidance.
>
>
> thanks,
>
> Ben
>
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> Gnupg-users at gnupg.org
> http://lists.gnupg.org/mailman/listinfo/gnupg-users
>
>


-- 
Lance R. Vick
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