[pkg-gnupg-maint] Bug#800032: pinentry-gnome3: Pinentry hangs for ~30s before asking for passphrase when invoked by Enigmail

[Daniel Kahn Gillmor]

Control: affects 800032 dbus

Hi Ondřej--

I'm cc'ing dbus at packages.debian.org in the hops that someone there can
take a look at the combination of pinentry-gtk2 and dbus that might be
causing the hangs seens in https://bugs.debian.org/800032

I copy your note below in full for anyone coming newly to this
discussion.

Out of curiosity: do you have dbus-user-session installed?

Regards,

        --dkg

On Mon 2016-10-17 09:27:14 -0400, Ondřej Kuzník wrote:
> On 12/10/16 08:26, Daniel Kahn Gillmor wrote:
>> Control: tags 800032 + moreinfo unreproducible
>> 
>> Hi Ondřej--
>> 
>> Sorry for taking so long to respond to this.  A few questions below:
>
> Hi Daniel,
> thanks for looking into this, although I'm not sure yet what exactly is
> going on there yet, I think you're onto something.
>
>> [...]
>> 
>> Is this still happening for you?  Do you have dbus installed?  is there
>> a dbus session running?  Is there a query on the dbus user session for
>> any particular service?
>
> For all of the above I'd say yes, maybe apart from the query,
> dbus-monitor doesn't say anything even though I can see dbus-daemon
> starting new processes. It might be that I'm not passing it the options
> to actually show that, do you know how to get it to display them?
>
>> I've seen reports of timeouts of ~30s before
>> waiting for some "org.a11y.Bus" service to respond.  Some of those
>> reports were cleared up with the installation or removal of the
>> at-spi2-core package, but i haven't been able to reproduce it myself.
>> Do you have at-spi2-core installed?  if so, what version?
>
> The package at-spi2-core is installed (the version currently in
> stretch), as it is depended on by gnome-core, I've not tried
> uninstalling it yet and hitting reinstall in aptitude has not changed
> the behaviour.
>
> One thing that does come up, though, is when I run process monitoring,
> pinentry-gtk-2 is started by gpg-agent, then dbus-daemon starts
> /usr/lib/at-spi2-core/at-spi-bus-launcher, that exits, then dbus starts
> gnome-keyring-daemon. Will try to change the monitor to give timings as
> well but kworker storms tend to fill the netlink socket before I get to
> the timeout so I'm trying to keep the monitoring tool as simple as I can
> at the moment.
>
> Hmm, for some reason I have two dbus-daemons running and the one started
> by ck-launch-session is the one where pinentry is having problems.
>
> Thanks,
> Ondrej
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