This should fix it: https://lists.ubuntu.com/archives/kernel-team/2018-April/091890.html
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1766052 Title: Incorrect blacklist of bcm2835_wdt Status in linux package in Ubuntu: Incomplete Status in linux source package in Artful: Incomplete Status in linux source package in Bionic: Incomplete Bug description: Without bcm2835_wdt loaded, Raspberry Pi systems cannot reboot or shut down. This needs to be removed from the automatic blacklist generated by the kernel build that ends up in /lib/modprobe.d/blacklist_linux_$(uname -r).conf To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1766052/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp