Here you go, Zygmunt. These are the outputs of losetup and "system-analyze blame" before and after deleting "dev/loop10."
It appears that after the deletion the deleted item reappears as "dev/loop20." Over the course of a couple of days, my logins from the lockscreen have slowed again. I don't have the technical background to know what's going on, but - - - here's the output. ** Attachment added: "devloops1-after.txt" https://bugs.launchpad.net/ubuntu/+source/snapd/+bug/1859160/+attachment/5320325/+files/devloops1-after.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1859160 Title: Snapd fails to delete obsolete dev-loops, thus causing delay at lockscreen To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/snapd/+bug/1859160/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs