@rbalint I've collect logs from both u-u packages. Latest u-u stucks in a loop. Please see zip attached.
I have hold packages $ apt-mark showhold linux-generic linux-headers-generic linux-image-generic linux-libc-dev papirus-icon-theme ** Attachment added: "uu.zip" https://bugs.launchpad.net/ubuntu/+source/unattended-upgrades/+bug/1396787/+attachment/5255891/+files/uu.zip -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1396787 Title: checking trust of archives eats a lot of cpu To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unattended-upgrades/+bug/1396787/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs