pboettch@lappi3:~/snappy/udf$ sudo ./ubuntu-device-flash core rolling --channel edge --os ubuntu-core --kernel canonical-pi2-linux --gadget canonical-pi2 -o test.img
Determining gadget configuration
5.83 MB / 5.83 MB [===========================================================================================] 100.00 % 2.03 MB/s 2s
Parallel unsquashfs: Using 4 processors
29 inodes (120 blocks) to write
/tmp/gadget680914491/gadget/fake-gadget/1.0-fake
/tmp/gadget680914491/gadget/fake-gadget/1.0-fake/boot-assets
/tmp/gadget680914491/gadget/fake-gadget/1.0-fake/boot-assets/COPYING.linux
/tmp/gadget680914491/gadget/fake-gadget/1.0-fake/boot-assets/LICENCE.broadcom
/tmp/gadget680914491/gadget/fake-gadget/1.0-fake/boot-assets/README
/tmp/gadget680914491/gadget/fake-gadget/1.0-fake/boot-assets/bcm2708-rpi-b-plus.dtb
/tmp/gadget680914491/gadget/fake-gadget/1.0-fake/boot-assets/bcm2708-rpi-b.dtb
/tmp/gadget680914491/gadget/fake-gadget/1.0-fake/boot-assets/bcm2708-rpi-cm.dtb
/tmp/gadget680914491/gadget/fake-gadget/1.0-fake/boot-assets/bcm2709-rpi-2-b.dtb
/tmp/gadget680914491/gadget/fake-gadget/1.0-fake/boot-assets/bcm2710-rpi-3-b.dtb
/tmp/gadget680914491/gadget/fake-gadget/1.0-fake/boot-assets/bootcode.bin
/tmp/gadget680914491/gadget/fake-gadget/1.0-fake/boot-assets/cmdline.txt
/tmp/gadget680914491/gadget/fake-gadget/1.0-fake/boot-assets/config.txt
/tmp/gadget680914491/gadget/fake-gadget/1.0-fake/boot-assets/fixup.dat
/tmp/gadget680914491/gadget/fake-gadget/1.0-fake/boot-assets/fixup_cd.dat
/tmp/gadget680914491/gadget/fake-gadget/1.0-fake/boot-assets/fixup_db.dat
/tmp/gadget680914491/gadget/fake-gadget/1.0-fake/boot-assets/fixup_x.dat
/tmp/gadget680914491/gadget/fake-gadget/1.0-fake/boot-assets/install.yaml
/tmp/gadget680914491/gadget/fake-gadget/1.0-fake/boot-assets/overlays.tgz
/tmp/gadget680914491/gadget/fake-gadget/1.0-fake/boot-assets/snappy-system.txt
/tmp/gadget680914491/gadget/fake-gadget/1.0-fake/boot-assets/start.elf
/tmp/gadget680914491/gadget/fake-gadget/1.0-fake/boot-assets/start_cd.elf
/tmp/gadget680914491/gadget/fake-gadget/1.0-fake/boot-assets/start_db.elf
/tmp/gadget680914491/gadget/fake-gadget/1.0-fake/boot-assets/start_x.elf
/tmp/gadget680914491/gadget/fake-gadget/1.0-fake/boot-assets/uEnv.txt
/tmp/gadget680914491/gadget/fake-gadget/1.0-fake/boot-assets/uboot.bin
/tmp/gadget680914491/gadget/fake-gadget/1.0-fake/boot-assets/uboot.env
/tmp/gadget680914491/gadget/fake-gadget/1.0-fake/boot-assets/uboot.env.in
/tmp/gadget680914491/gadget/fake-gadget/1.0-fake/boot-assets/uboot.patch
/tmp/gadget680914491/gadget/fake-gadget/1.0-fake/meta
/tmp/gadget680914491/gadget/fake-gadget/1.0-fake/meta/icon.png
/tmp/gadget680914491/gadget/fake-gadget/1.0-fake/meta/snap.yaml
created 29 files
created 3 directories
created 0 symlinks
created 0 devices
created 0 fifos
47.32 MB / 47.32 MB [========================================================================================] 100.00 % 1.80 MB/s 26s
Installing canonical-pi2
5.83 MB / 5.83 MB [===========================================================================================] 100.00 % 2.05 MB/s 2s
failed to install "canonical-pi2" from "edge": canonical-pi2 failed to install: exit status 2