60 secs logout delay when running emacs: Why ?

[Thiago Macieira]

Em Quarta-feira 16. Dezembro 2009, às 21.21.52, Gerd Bavendiek escreveu:
> Hi,
> 
> running Xubuntu Karmic and using Emacs, I'm always wondering about a
> significant delay after clicking logout. Basically after having
> clicked logout 60 secs nothing happens until the session is finally
> closed.
> 
> If I first close Emacs and then click logout, the session is closed
> immediately. So the delay really seems to be linked to emacs. There is
> no logout dialog AFAIK. Running emacs without my init-files did not
> change anything.
> 
> This delay is a bit irritating, but most of the time not a real
> problem. It is possible to shorten the delay by "clicking
> around". Typically switching to the workspace emacs is running in
> makes the session terminate immediately. Occasionally clicking around
> does not terminate the session and I have to wait.
> 
> So I just wanted to know which component causes the delay.
> 
> I straced emacs. After logout he ist happily running for about 60
> secs. Then he gets SIGTERM 4 times.
> 
> I ran dbus-monitor > file and got an empty file (output buffering). I
> compiled dbus 1.3.1 and ran it like so:
> 
> ./dbus-monitor | perl -ne 'print scalar localtime(), $_' > file
> 
> Now I do see a lot of activities after clicking logout, then exactly
> 60 secs nothing and another bulk of messages. To be honest: This is
> beyond my skills, I cannot interpret this output (285 lines).
> 
> I really would appreciate if somebody could push me into the right
> direction. Is it a bug, a misconfiguration or works a designed ?
> emacs or xfce4-session ?

I think you're dumping the wrong protocol.

X logout is announced to the applications via XSM, not via D-Bus.

-- 
Thiago Macieira - thiago (AT) macieira.info - thiago (AT) kde.org
  Senior Product Manager - Nokia, Qt Development Frameworks
      PGP/GPG: 0x6EF45358; fingerprint:
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