@danmbox Yes. I don't know if they are related to the above logs (often displayed on boot - btw. for some time I don't have ubuntu logo and animation on boot, but just text "Ubuntu 12.04" and 4 sparkling dots), but both - errors about zram0 and lock-ups - started recently.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1217189 Title: Buffer I/O error on device zram0 (possibly causing complete machine lockup) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-lts-raring/+bug/1217189/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
