Please have a look to see if any of the existing bug reports might be the same issue:
https://bugs.launchpad.net/ubuntu/+source/kwallet-pam ** Also affects: lightdm (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Kubuntu Bugs, which is subscribed to kwallet-pam in Ubuntu. https://bugs.launchpad.net/bugs/1821609 Title: Xorg freeze - fails to start or stay going screen blanks-grub seems involved To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/kwallet-pam/+bug/1821609/+subscriptions -- kubuntu-bugs mailing list kubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/kubuntu-bugs