I just tried suspending my machine while running a Wayland session ("Ubuntu"), instead of an Xorg session ("Ubuntu on Xorg") and I got the same problem. Therefore, the issue has *nothing* to do with Xorg itself.
** Summary changed: - GDM Xorg session crashes on suspend + GDM session crashes on suspend on Ubuntu 21.10 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1950393 Title: GDM session crashes on suspend on Ubuntu 21.10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1950393/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs