I did get laggs right from boot.. So it's easier to choose right logs.. Hope this log help..
** Attachment added: "freeze.log" https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/2100475/+attachment/5866128/+files/freeze.log -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/2100475 Title: Whole display freezes in 1 second interval for a while To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/2100475/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs