So i'm just going to add on here instead of opening a new bug report. The problem is that in most cases when you're setting the limits, you're doing so for a process/user that isn't going to login. So the default is to set it in login, cron, sshd, su etc. Unfortunately, for a process that isn't going to login via normal methods. Such as a server process or the like this will be ignored because pam_limits.so will never be activated.
We need to put pam_limits.so in /etc/pam.d/common-session and /etc/pam.d /common-session-noninteractive as required by default, or, update the documentation somewhere that notes that limits.conf will not be activated by pam_limits.so otherwise. Since everything is already commented out by limits.conf per default it should be a straight-forward change. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to lightdm in Ubuntu. https://bugs.launchpad.net/bugs/1627769 Title: limits.conf not applied Status in jackd2 package in Ubuntu: New Status in lightdm package in Ubuntu: Confirmed Status in systemd package in Ubuntu: New Bug description: Since upgraded to 16.10 Yakkety, modifications in /etc/security/limits.conf are not taken into consideration when logging in the graphical interface. /etc/security/limits.conf: @audio - rtprio 99 @audio - memlock unlimited I tried the same settings in /etc/security/limits.d/audio.conf, to the same results. After logging in Unity, opening a console, the limits are not set: blablack@ideaon:~$ ulimit -l -r max locked memory (kbytes, -l) 64 real-time priority (-r) 0 Reloging to my user via bash DOES apply the limits: blablack@ideaon:~$ ulimit -l -r max locked memory (kbytes, -l) 64 real-time priority (-r) 0 blablack@ideaon:~$ su blablack Password: blablack@ideaon:~$ ulimit -l -r max locked memory (kbytes, -l) unlimited real-time priority (-r) 95 Switching to a console (ctrl+alt+f1) and logging in would apply the limits as well. The exact same setup used to work fine on Xenial 16.04 before upgrade. If you need any more information, please let me know. ProblemType: Bug DistroRelease: Ubuntu 16.10 Package: lightdm 1.19.4-0ubuntu1 ProcVersionSignature: Ubuntu 4.8.0-16.17-generic 4.8.0-rc7 Uname: Linux 4.8.0-16-generic x86_64 ApportVersion: 2.20.3-0ubuntu7 Architecture: amd64 CurrentDesktop: Unity Date: Mon Sep 26 17:27:10 2016 SourcePackage: lightdm UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/jackd2/+bug/1627769/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : firstname.lastname@example.org Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp