As a workaround for those that haven't bricked their Raspberry, run this to prevent bricking until this is resolved:
sudo apt-mark hold linux-raspi2 linux-image-raspi2 linux-headers-raspi2 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1652270 Title: Could not boot into RPi3 with kernel 4.4.0-1038-raspi2 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-raspi2/+bug/1652270/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs