As insane as it seems... Reverting back to EXT4 from BTRFS fixed the problem...
So for me, it is an issue when BTRFS is used as root partition. I wasn't even using swap files -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1833281 Title: System freeze when memory is put on SWAP in Linux >4.10.x To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1833281/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
