Hi Guys,
We're now porting Ubuntu Core to an ARM64 on-chip computer, Bubblegum-96
board. (http://www.96boards.org/product/bubblegum-96/)
Here are some issues we got.
When using ubuntu-image (tag:0.10+real 1 stable),
*$ sudo /snap/bin/ubuntu-image --channel stable --image-size 2G
--extra-snaps bubblegum96-gadget_16.04-1.1_arm64.snap --extra-snaps
bubblegum96-kernel_3.10.0_arm64.snap -o bubblegum96.img bubblegum96.model*
it could make valid image,bubblegum96.img.
After update ubuntu-image using command *$ sudo snap refresh --beta
--devmode ubuntu-image*, the ubuntu-image will be updated to beta (tag:
0.12+real 1). We using command
$ sudo /snap/bin/ubuntu-image --channel beta --image-size 2G --extra-snaps
bubblegum96-gadget_16.04-1.1_arm64.snap --extra-snaps
bubblegum96-kernel_3.10.0_arm6*4.snap -o bubblegum96.img bubblegum96.model
*again, and it will report failure. It shows "gadget.yaml parse error: mbr
structures cannot be larger than 446 bytes."
The gadget.yaml file is the same before and after update ubuntu-image.
Here it is:
$ cat gadget.yaml
device-tree: s900-96board.dtb
volumes:
lemaker-guitar:
schema: mbr
bootloader: u-boot
structure:
- name: Bootstrap
type: mbr
size: 8M
content:
- image: bootloader.bin
offset: 2097664
- image: u-boot.bin
offset: 3145728
- type: 0C
filesystem: vfat
filesystem-label: system-boot
offset: 8388608
size: 128M
content:
- source: boot-assets/
target: /
If we change the size: 8M directly to size:440, the image we made will be
useless. Actually I don't know how to config offset after change the size.
If we change the schema: mbr directly to schema: gpt, and change the type:
mbr to type: gpt, it will fail again, and shows "gadget.yaml parse error:
Invalid gadget.yaml @ volumes:lemaker-guitar:structure:0:type"
I'd appreciate it a lot if there is anyone could help us with this.
Thanks&&Best Regards
--
董波
uCRobotic
Mobile: +86 15624957162
http://www.ucrobotics.com.cn/
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