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

Clint Byrum clint at fewbar.com
Mon Jun 20 22:41:19 UTC 2016


Ahh derp, that's not an ARM CPU. I read "A8" and "APU" and my brain
immediately lept to that. Ignore me.

Excerpts from Clint Byrum's message of 2016-06-20 15:12:23 -0700:
> 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'.
> 



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