Could you do the following steps and report the results?
1) Set higher locked memory limit $ echo "* - memlock 128" | sudo tee /etc/security/limits.d/lp1602680.conf
2) Reboot
3) Verify that the higher limit is in place $ ulimit -l 128
4) Upgrade to the new NSS and see if you can log in.
If you still can't log in, feel free to delete /etc/security/limits.d/lp1602680.conf
Could you do the following steps and report the results?
1) Set higher locked memory limit limits. d/lp1602680. conf
$ echo "* - memlock 128" | sudo tee /etc/security/
2) Reboot
3) Verify that the higher limit is in place
$ ulimit -l
128
4) Upgrade to the new NSS and see if you can log in.
If you still can't log in, feel free to delete /etc/security/ limits. d/lp1602680. conf