Ubuntu 12.04 64 bits
Same problem but in my case I don't press ESC nor type a wrong password.
Simply I open a new gnome session to another user. When I close
(correctly) that session one new lightdm defunct process is created.
Ubuntu 12.04 is a LTS edition. This should be corrected!
By other side, I think this problem provokes another issue: "X11:
Maximum number of clients reached"
COMMAND PID USER FD TYPE DEVICE SIZE/OFF
NODE NAME
Xorg 13855 root 1u unix 0xffff8802c79b5480 0t0
347859 socket
Xorg 13855 root 3u unix 0xffff8802c79b2700 0t0
347860 /tmp/.X11-unix/X0
Xorg 13855 root 30u unix 0xffff8802f62afb80 0t0
347868 socket
Xorg 13855 root 31u unix 0xffff88031cc91d40 0t0
346583 socket
Xorg 13855 root 32u unix 0xffff88031cc4b400 0t0
348243 socket
Xorg 13855 root 33u unix 0xffff8802c79b7840 0t0
343941 socket
Xorg 13855 root 34u unix 0xffff8802d08bd480 0t0
106650780 socket
Xorg 13855 root 35u unix 0xffff8802c79b6800 0t0
346616 socket
Xorg 13855 root 36u unix 0xffff8802c79b30c0 0t0
346621 socket
Xorg 13855 root 37u unix 0xffff8802d08bde40 0t0
106619756 socket
Xorg 13855 root 38u unix 0xffff88031a1c8340 0t0
349281 socket
Xorg 13855 root 39u unix 0xffff8802f62abdc0 0t0
349299 socket
Xorg 13855 root 40u unix 0xffff88031cc9eb40 0t0
349302 socket
Xorg 13855 root 41u unix 0xffff88002398a3c0 0t0
106653418 socket
Xorg 13855 root 42u unix 0xffff88031d30bdc0 0t0
314168 socket
Xorg 13855 root 43u unix 0xffff88031cc49a00 0t0
314173 socket
Xorg 13855 root 44u unix 0xffff88031a1cdb00 0t0
351343 socket
Xorg 13855 root 45u unix 0xffff8802c741eb40 0t0
348459 socket
Xorg 13855 root 46u unix 0xffff88031a1c9380 0t0
346891 socket
Xorg 13855 root 47u unix 0xffff8802d08b8d00 0t0
106655167 socket
Xorg 13855 root 48u unix 0xffff88002398fb80 0t0
106651520 socket
Xorg 13855 root 49u unix 0xffff8803098ff500 0t0
352401 socket
Xorg 13855 root 50u unix 0xffff8801183c2080 0t0
106652691 socket
Xorg 13855 root 51u unix 0xffff8802f3322a40 0t0
106653022 socket
Xorg 13855 root 52u unix 0xffff8802c79b7500 0t0
353514 socket
Xorg 13855 root 54u unix 0xffff88031cc98000 0t0
349930 socket
Xorg 13855 root 63u unix 0xffff88031d309380 0t0
488751 socket
Xorg 13855 root 64u unix 0xffff88002398ad80 0t0
489641 socket
UID PID PPID C STIME TTY STAT TIME CMD
root 13855 1815 1 Jan07 tty7 Ss+ 16:28 /usr/bin/X :0 -auth
/var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
root 1815 1 0 Jan06 ? 00:00:00 lightdm
root 13855 1815 1 Jan07 tty7 00:16:30 /usr/bin/X :0 -auth
/var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
root 13930 1815 0 Jan07 ? 00:00:00 lightdm --session-child 12 25
root 31267 1815 0 06:10 ? 00:00:00 [lightdm] <defunct>
root 32625 1815 0 06:53 ? 00:00:00 [lightdm] <defunct>
root 32686 1815 0 06:53 ? 00:00:00 [lightdm] <defunct>
--
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to lightdm in Ubuntu.
https://bugs.launchpad.net/bugs/990661
Title:
lightdm zombie process created while press escape button on Login
screen
Status in Light Display Manager:
Fix Released
Status in “lightdm” package in Ubuntu:
Fix Released
Status in “lightdm” source package in Precise:
Triaged
Bug description:
Impact:
zombie are created on failed login
Test Case:
- try to log in with lightdm but press escape or type a wrong password
- check if lightdm zombie processes are created
Regression potential:
- the changes impact the ref counting cycle for sessions, it could create a
small leak or incorrect unrefs
---
When I pressed the Escape button on Login screen, LightDM zombie
process is created in the state of defunct. I used "top" application
to view the number of zombie process. The more I press the Escape
button in Login screen the more LightDM zombie process is created.
I think this bug is similar to the following Bug #962932.
Date of observe bug: 2012-04-27
Ubuntu 12.04 LTS
I change LightDM with GDM version 3.0.4 and the zombie are gone.
To manage notifications about this bug go to:
https://bugs.launchpad.net/lightdm/+bug/990661/+subscriptions
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