| 1 |
On 10/03/16 01:56, Rich Freeman wrote: |
| 2 |
> On Wed, Mar 9, 2016 at 12:41 PM, hw <hw@×××××.de> wrote: |
| 3 |
>> |
| 4 |
>> I'm stuck with 'Could not find the root block device |
| 5 |
>> in UUID= ...' when trying to boot the guest. |
| 6 |
>> |
| 7 |
>> Is grub2 unable to work with virtio devices? |
| 8 |
>> |
| 9 |
> |
| 10 |
> Are you sure that is a grub2 message? It seems more likely that this |
| 11 |
> is a message from the kernel (unless it is referring to the grub2 root |
| 12 |
> - posting the entire error would probably help here, and I didn't |
| 13 |
> realize grub2 even can find its root with a UUID assuming it actually |
| 14 |
> can). Does your kernel have virtio support enabled? What initramfs |
| 15 |
> are you using? The problem could lie with either. See if you can get |
| 16 |
> the initramfs to give you a shell (usually this can be done with a |
| 17 |
> kernel command line option) and see what block devices it can see (run |
| 18 |
> blkid or such). |
| 19 |
> |
| 20 |
> If you're not using an initramfs then that is your problem. You can't |
| 21 |
> use UUID to reference your root if you aren't using an initramfs. |
| 22 |
> |
| 23 |
|
| 24 |
I had to use this on grub install: |
| 25 |
|
| 26 |
grub2-install --target=i386-pc /dev/vda && \ |
| 27 |
grub2-mkconfig -o /boot/grub/grub.cfg |
| 28 |
|
| 29 |
It couldn't find the right module without the hint. |
| 30 |
|
| 31 |
BillK |
Archives