I think the problem still exists with Xsession when use gdm to login, at least
in 12.04.5 LTS:
(Yeah I know the release is not officially supported any more, just in case
anybody is interested to trace back)
(For the moment I leave the comment here, before somebody is sure this is
related to some other issue)
------------------------------------------------------------------
Part of the command ps axjf (The full result of this command is in the
attachment):
1543 2227 1539 1539 ? -1 Sl 0 0:00 \_
/usr/lib/gdm/gdm-session-worker
2227 2502 2502 2502 ? -1 Ssl 1001 0:00 \_
gnome-session --session=ubuntu
2502 2547 2502 2502 ? -1 Z 1001 0:00 \_
[Xsession] <defunct>
The zombie Xsession process, listed with the ps -elf command:
$ ps -elf | grep defunct
1 Z theloginuser 2547 2502 0 80 0 - 0 exit 06:06 ? 00:00:00
[Xsession] <defunct>
The gnome-session parent process of the zombie, listed with the ps -elf command:
4 S theloginuser 2502 2227 0 80 0 - 98064 poll_s 06:06 ? 00:00:00
gnome-session --session=ubuntu
------------------------------------------------------------------
Version infomation:
$ apt-cache policy gnome-session
gnome-session:
Installed: 3.2.1-0ubuntu8
Candidate: 3.2.1-0ubuntu8
Version table:
*** 3.2.1-0ubuntu8 0
500 http://mirror.aarnet.edu.au/pub/ubuntu/archive/ precise/main amd64
Packages
100 /var/lib/dpkg/status
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 12.04.5 LTS
Release: 12.04
Codename: precise
------------------------------------------------------------------
There are reports on the Internet that this phenomenon may also occur in some
old version of Fedora.
** Attachment added: "Xsession_zombie_ps_axjf.txt"
https://bugs.launchpad.net/ubuntu/+source/gnome-session/+bug/250696/+attachment/4663575/+files/Xsession_zombie_ps_axjf.txt
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to gnome-session in Ubuntu.
https://bugs.launchpad.net/bugs/250696
Title:
Many processes are zombies
Status in gnome-session package in Ubuntu:
Fix Released
Bug description:
A number of processes sit in the zombie status. This seems to be the
situation all the time.
Attached is a screenshot showing the zombie processes at a point in
time. I told easycrypt to 'End process', but it became a zombie as
well.
Running up-to-date Intrepid. I did not experience this on Hardy.
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/gnome-session/+bug/250696/+subscriptions
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