Mainline kernels from https://kernel.ubuntu.com/~kernel-ppa/mainline/ are not supported. Your traces show that the kernel can't find the root device, so maybe a missing driver.
** Changed in: linux (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1957012 Title: Kernel Panic at 5.16.0-051600-generic (include RC versions) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1957012/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs