[openstack-dev] [diskimage-builder] ERROR: embedding is not possible, but this is required for cross-disk install

Jay Pipes jaypipes at gmail.com
Mon Jun 20 22:35:25 UTC 2016


On 06/20/2016 06:12 PM, Clint Byrum wrote:
> Excerpts from Jay Pipes's message of 2016-06-20 16:52:38 -0400:
>> Hi dib-gurus,
>>
>> I'm trying to build a simple ubuntu VM image on a local Gigabyte BRIX
>> with a AMD A8-5557M APU with Ubuntu 16.04 installed and getting an odd
>> error. Hoping someone has some ideas...
>>
>> The command I am running is:
>>
>> disk-image-create -o /tmp/ubuntu.qcow2 --image-size=10 ubuntu vm
>>
>> Everything goes smoothly until trying to write the MBR, at which point I
>> get the following error:
>>
>> + /usr/sbin/grub-install '--modules=biosdisk part_msdos'
>> --target=i386-pc /dev/loop0
>> Installing for i386-pc platform.
>> /usr/sbin/grub-install: warning: this msdos-style partition label has no
>> post-MBR gap; embedding won't be possible.
>> /usr/sbin/grub-install: error: embedding is not possible, but this is
>> required for cross-disk install.
>> /dev/loop0: [0047]:3 (/tmp/image.hk8wiFJe/image.raw)
>
> I think you found a bug. The ARCH should be armhf, but
> elements/bootloader/finalise.d/50-bootloader doesn't know what to do with
> armhf, so it falls back to x86_64/amd64. Also, grub-pc is the package
> that bootloader claims to need in its pkg-map file, but you really need
> grub-efi-arm on arm boxes.
>
> We may need to add the ability for pkg-map's to differentiate based on
> ARCH.
>
> If you intended to build an amd64 image, you need to set ARCH=amd64
> before running disk-image-create, so it won't detect it by running
> 'dpkg --print-architecture'.

AMD A8 APU is actually amd64, AFAIK, Clint :) `dpkg 
--print-architecture` correctly returns 'amd64'.

Best,
-jay





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