Bug#806256: libpam-systemd: log out from a TTY and your X input devices get lost!

[Francesco Poli]

On Fri, 27 Nov 2015 00:29:33 +0100 Michael Biebl wrote:

> Am 27.11.2015 um 00:16 schrieb Francesco Poli:
[...]
> > Could you please specify the exact steps needed to obtain the log you
> > would like to see?
> 
> A Xorg.0.log and a journalctl -alb log might be helpful.

These two logs are attached.
They were taken just after reproducing the bug from a newly created SSH
session.
I hope these logs may help in understanding what's going on: I see some evdev errors in Xorg.0.log and a backtrace. Moreover I see some unclear (at least to me) messages from systemd-logind.

By the way, from within the SSH session I could close the X session by
just quitting Fluxbox with:

  $ killall -TERM fluxbox

After that, although my X session was gone, I could regain control of
the input devices (keyboard and mouse were back to normal) and I could
start a new X session from the console (TTY1).
In other words, a reboot was not strictly needed in order for the
system to come back to a normal working state.

[...]
> To me this sounds like an X problem.

It's possible, even though I cannot understand how X could be blamed
for the automatic switch back from TTY2 to TTY1 (which is occupied by
the X session).
On the other hand, it's more than plausible that the issue with ignored
input devices may be X's fault.

> Which Xorg version do you use?

The one currently in Debian testing:

  $ dpkg -l | grep xserver-xorg-core | cut -c 1-60
  ii  xserver-xorg-core                       2:1.17.3-2      




-- 
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..................................................... Francesco Poli .
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