Re: [gentoo-user] duplicate gentoo system - errors

On 11/22/2020 05:25 PM, Michael wrote:
> On Sunday, 22 November 2020 23:39:44 GMT thelma@×××××××××××.com wrote:
>> OK, I used Gparted (Bootable usb) to copy partition from:
>> Western Digital driver, usually:
>> /dev/sda1 etc
>>
>> to M.2 SSD
>> /dev/ nvme0n1p1 etc
>>
>> I can boot M.2 drive, but the x-server doesn't work (even though I use
>> same graphical card).  Network is not working (easy fix, new driver
>> needs to be compiled IN) but there is a bigger problem.
>
> If you have cloned each partition from the old to the new disk, then the new
> disk should work exactly as the old disk does.  I mean, it should have the
> same kernel, the same / filesystem, the same modules, etc.
>
> Since the new disk is an nvme drive, you will need additional drivers - should
> these not be available in the old kernel.
>
>
>> Duplicating was easy, but when I try to recompile a kernel I get an error:
>>
>> make menuconfig
>> HOSTCC script/kconfig/mconf.o
>> <build-in> : internal compiler error: Illegal instruction
>>
>> Even if I try to run: emerge --info  I get:
>> Illegal instruction
>>
>> In addition my fstab doesn't look correct (but it works)
>> /dev/sda1    /boot    ext2
>>
>> It should be something like:
>> /dev/nvme0n1p1   /boot   ext2
>
> Do you have both disks connected to the MoBo when you're trying to boot from
> the new disk?

Yes, they are both connected

> Have you changed the UUIDs on the new partitions?

Never used UUID in fstab. Do I just run: blkid|grep UUID
and copy it to fstab.

> Have you installed the boot manager on the new disk (if using MBR)?

I just copied the whole MBR to a new disk and it worked, the system
boots, but nothing can be compiled.