On 12/11/2020 10:45 AM, Michael wrote: > On Friday, 11 December 2020 16:42:08 GMT tedheadster wrote: >> On Fri, Dec 11, 2020 at 9:27 AM <the...@sys-concept.com> wrote: >>> On 12/11/2020 07:07 AM, the...@sys-concept.com wrote: >>>> Now, when I boot I get a message: >>>> >>>> Block device UUID=d32946b3-2236-4998-80dd-68b7d78e0c7b is not a valid >>>> root device. >>> >>> This puzzles me. I cannot find the string "is not a valid root device" (or >> >> sub-strings) in the source code for the Linux kernel, GRUB2, and refind. It >> seems to me it should be in one of them. >> >> - Matthew > > The error is indicative of the kernel driver for the / block device missing. > If it is not built in-the-kernel, but as a module, then it should be in > initramfs. > > Copy the kernel image, System.map, .config and corresponding initramfs to the > /boot partition, then point your boot manager to the kernel to boot it.
How do you copy/generate initramfs in /boot directory?
