Re-ran with -x (to dib) and got this:
2018-07-16 19:54:31.858 | dib-run-parts 60-untrim-dpkg completed 2018-07-16 19:54:31.858 | dib-run-parts Running /tmp/dib_build.zUcm27Y7/hooks/cleanup.d/90-copy-boot-part 2018-07-16 19:54:32.069 | cp: cannot stat '/tmp/tmp.V5YWpxVTsG/boot/*': No such file or directory 2018-07-16 19:54:32.071 | + /usr/local/lib/python2.7/dist-packages/diskimage_builder/lib/common-functions:run_d:1 : trap_cleanup 2018-07-16 19:54:32.072 | + /usr/local/lib/python2.7/dist-packages/diskimage_builder/lib/img-functions:trap_cleanup:36 : exitval=1 2018-07-16 19:54:32.074 | + /usr/local/lib/python2.7/dist-packages/diskimage_builder/lib/img-functions:trap_cleanup:37 : cleanup 2018-07-16 19:54:32.075 | + /usr/local/lib/python2.7/dist-packages/diskimage_builder/lib/img-functions:cleanup:42 : dib-block-device umount 2018-07-16 19:54:32.210 | DEBUG diskimage_builder.block_device.blockdevice [-] Creating BlockDevice object __init__ /usr/local/lib/python2.7/dist-packages/diskimage_builder/block_device/blockdevice.py:228 2018-07-16 19:54:32.210 | DEBUG diskimage_builder.block_device.blockdevice [-] Params [{'root-fs-type': 'ext4', 'root-fs-opts': '-i 4096 -J size=64 ', 'root-label': None, 'build-dir': '/tmp/dib_build.zUcm27Y7', 'image-size': '1664256KiB', 'image-dir': '/tmp/dib_image.ltHT91DC', 'config': '/tmp/dib_build.zUcm27Y7/block-device/config.yaml', 'mount-base': '/tmp/dib_build.zUcm27Y7/mnt'}] __init__ /usr/local/lib/python2.7/dist-packages/diskimage_builder/block_device/blockdevice.py:231 2018-07-16 19:54:32.216 | INFO diskimage_builder.block_device.level3.mount [-] Called for [mount_mkfs_boot] 2018-07-16 19:54:32.216 | INFO diskimage_builder.block_device.utils [-] Calling [sudo sync] 2018-07-16 19:54:32.236 | INFO diskimage_builder.block_device.utils [-] Calling [sudo umount /tmp/dib_build.zUcm27Y7/mnt/boot] 2018-07-16 19:54:32.264 | INFO diskimage_builder.block_device.level3.mount [-] Called for [mount_mkfs_root] 2018-07-16 19:54:32.264 | INFO diskimage_builder.block_device.utils [-] Calling [sudo sync] 2018-07-16 19:54:32.275 | INFO diskimage_builder.block_device.utils [-] Calling [sudo fstrim --verbose /tmp/dib_build.zUcm27Y7/mnt/] 2018-07-16 19:54:32.283 | DEBUG diskimage_builder.block_device.utils [-] exec_sudo: /tmp/dib_build.zUcm27Y7/mnt/: 924.7 MiB (969633792 bytes) trimmed exec_sudo /usr/local/lib/python2.7/dist-packages/diskimage_builder/block_device/utils.py:120 2018-07-16 19:54:32.283 | INFO diskimage_builder.block_device.utils [-] Calling [sudo umount /tmp/dib_build.zUcm27Y7/mnt/] 2018-07-16 19:54:32.287 | DEBUG diskimage_builder.block_device.utils [-] exec_sudo: umount: /tmp/dib_build.zUcm27Y7/mnt/: target is busy exec_sudo /usr/local/lib/python2.7/dist-packages/diskimage_builder/block_device/utils.py:120 2018-07-16 19:54:32.287 | DEBUG diskimage_builder.block_device.utils [-] exec_sudo: (In some cases useful info about processes that exec_sudo /usr/local/lib/python2.7/dist-packages/diskimage_builder/block_device/utils.py:120 2018-07-16 19:54:32.287 | DEBUG diskimage_builder.block_device.utils [-] exec_sudo: use the device is found by lsof(8) or fuser(1).) exec_sudo /usr/local/lib/python2.7/dist-packages/diskimage_builder/block_device/utils.py:120 2018-07-16 19:54:32.287 | Traceback (most recent call last): 2018-07-16 19:54:32.287 | File "/usr/local/bin/dib-block-device", line 10, in <module> 2018-07-16 19:54:32.287 | sys.exit(main()) 2018-07-16 19:54:32.287 | File "/usr/local/lib/python2.7/dist-packages/diskimage_builder/block_device/cmd.py", line 120, in main 2018-07-16 19:54:32.287 | return bdc.main() 2018-07-16 19:54:32.287 | File "/usr/local/lib/python2.7/dist-packages/diskimage_builder/block_device/cmd.py", line 115, in main 2018-07-16 19:54:32.287 | self.args.func() 2018-07-16 19:54:32.287 | File "/usr/local/lib/python2.7/dist-packages/diskimage_builder/block_device/cmd.py", line 39, in cmd_umount 2018-07-16 19:54:32.287 | self.bd.cmd_umount() 2018-07-16 19:54:32.287 | File "/usr/local/lib/python2.7/dist-packages/diskimage_builder/block_device/blockdevice.py", line 441, in cmd_umount 2018-07-16 19:54:32.288 | node.umount() 2018-07-16 19:54:32.288 | File "/usr/local/lib/python2.7/dist-packages/diskimage_builder/block_device/level3/mount.py", line 112, in umount 2018-07-16 19:54:32.288 | exec_sudo(["umount", self.state['mount'][self.mount_point]['path']]) 2018-07-16 19:54:32.288 | File "/usr/local/lib/python2.7/dist-packages/diskimage_builder/block_device/utils.py", line 125, in exec_sudo 2018-07-16 19:54:32.288 | ' '.join(sudo_cmd)) 2018-07-16 19:54:32.288 | subprocess.CalledProcessError: Command 'sudo umount /tmp/dib_build.zUcm27Y7/mnt/' returned non-zero exit status 32
Re-ran with -x (to dib) and got this:
2018-07-16 19:54:31.858 | dib-run-parts 60-untrim-dpkg completed build.zUcm27Y7/ hooks/cleanup. d/90-copy- boot-part V5YWpxVTsG/ boot/*' : No such file or directory lib/python2. 7/dist- packages/ diskimage_ builder/ lib/common- functions: run_d:1 : trap_cleanup lib/python2. 7/dist- packages/ diskimage_ builder/ lib/img- functions: trap_cleanup: 36 : exitval=1 lib/python2. 7/dist- packages/ diskimage_ builder/ lib/img- functions: trap_cleanup: 37 : cleanup lib/python2. 7/dist- packages/ diskimage_ builder/ lib/img- functions: cleanup: 42 : dib-block-device umount builder. block_device. blockdevice [-] Creating BlockDevice object __init__ /usr/local/ lib/python2. 7/dist- packages/ diskimage_ builder/ block_device/ blockdevice. py:228 builder. block_device. blockdevice [-] Params [{'root-fs-type': 'ext4', 'root-fs-opts': '-i 4096 -J size=64 ', 'root-label': None, 'build-dir': '/tmp/dib_ build.zUcm27Y7' , 'image-size': '1664256KiB', 'image-dir': '/tmp/dib_ image.ltHT91DC' , 'config': '/tmp/dib_ build.zUcm27Y7/ block-device/ config. yaml', 'mount-base': '/tmp/dib_ build.zUcm27Y7/ mnt'}] __init__ /usr/local/ lib/python2. 7/dist- packages/ diskimage_ builder/ block_device/ blockdevice. py:231 builder. block_device. level3. mount [-] Called for [mount_mkfs_boot] builder. block_device. utils [-] Calling [sudo sync] builder. block_device. utils [-] Calling [sudo umount /tmp/dib_ build.zUcm27Y7/ mnt/boot] builder. block_device. level3. mount [-] Called for [mount_mkfs_root] builder. block_device. utils [-] Calling [sudo sync] builder. block_device. utils [-] Calling [sudo fstrim --verbose /tmp/dib_ build.zUcm27Y7/ mnt/] builder. block_device. utils [-] exec_sudo: /tmp/dib_ build.zUcm27Y7/ mnt/: 924.7 MiB (969633792 bytes) trimmed exec_sudo /usr/local/ lib/python2. 7/dist- packages/ diskimage_ builder/ block_device/ utils.py: 120 builder. block_device. utils [-] Calling [sudo umount /tmp/dib_ build.zUcm27Y7/ mnt/] builder. block_device. utils [-] exec_sudo: umount: /tmp/dib_ build.zUcm27Y7/ mnt/: target is busy exec_sudo /usr/local/ lib/python2. 7/dist- packages/ diskimage_ builder/ block_device/ utils.py: 120 builder. block_device. utils [-] exec_sudo: (In some cases useful info about processes that exec_sudo /usr/local/ lib/python2. 7/dist- packages/ diskimage_ builder/ block_device/ utils.py: 120 builder. block_device. utils [-] exec_sudo: use the device is found by lsof(8) or fuser(1).) exec_sudo /usr/local/ lib/python2. 7/dist- packages/ diskimage_ builder/ block_device/ utils.py: 120 bin/dib- block-device" , line 10, in <module> lib/python2. 7/dist- packages/ diskimage_ builder/ block_device/ cmd.py" , line 120, in main lib/python2. 7/dist- packages/ diskimage_ builder/ block_device/ cmd.py" , line 115, in main lib/python2. 7/dist- packages/ diskimage_ builder/ block_device/ cmd.py" , line 39, in cmd_umount cmd_umount( ) lib/python2. 7/dist- packages/ diskimage_ builder/ block_device/ blockdevice. py", line 441, in cmd_umount lib/python2. 7/dist- packages/ diskimage_ builder/ block_device/ level3/ mount.py" , line 112, in umount ["umount" , self.state[ 'mount' ][self. mount_point] ['path' ]]) lib/python2. 7/dist- packages/ diskimage_ builder/ block_device/ utils.py" , line 125, in exec_sudo CalledProcessEr ror: Command 'sudo umount /tmp/dib_ build.zUcm27Y7/ mnt/' returned non-zero exit status 32
2018-07-16 19:54:31.858 | dib-run-parts Running /tmp/dib_
2018-07-16 19:54:32.069 | cp: cannot stat '/tmp/tmp.
2018-07-16 19:54:32.071 | + /usr/local/
2018-07-16 19:54:32.072 | + /usr/local/
2018-07-16 19:54:32.074 | + /usr/local/
2018-07-16 19:54:32.075 | + /usr/local/
2018-07-16 19:54:32.210 | DEBUG diskimage_
2018-07-16 19:54:32.210 | DEBUG diskimage_
2018-07-16 19:54:32.216 | INFO diskimage_
2018-07-16 19:54:32.216 | INFO diskimage_
2018-07-16 19:54:32.236 | INFO diskimage_
2018-07-16 19:54:32.264 | INFO diskimage_
2018-07-16 19:54:32.264 | INFO diskimage_
2018-07-16 19:54:32.275 | INFO diskimage_
2018-07-16 19:54:32.283 | DEBUG diskimage_
2018-07-16 19:54:32.283 | INFO diskimage_
2018-07-16 19:54:32.287 | DEBUG diskimage_
2018-07-16 19:54:32.287 | DEBUG diskimage_
2018-07-16 19:54:32.287 | DEBUG diskimage_
2018-07-16 19:54:32.287 | Traceback (most recent call last):
2018-07-16 19:54:32.287 | File "/usr/local/
2018-07-16 19:54:32.287 | sys.exit(main())
2018-07-16 19:54:32.287 | File "/usr/local/
2018-07-16 19:54:32.287 | return bdc.main()
2018-07-16 19:54:32.287 | File "/usr/local/
2018-07-16 19:54:32.287 | self.args.func()
2018-07-16 19:54:32.287 | File "/usr/local/
2018-07-16 19:54:32.287 | self.bd.
2018-07-16 19:54:32.287 | File "/usr/local/
2018-07-16 19:54:32.288 | node.umount()
2018-07-16 19:54:32.288 | File "/usr/local/
2018-07-16 19:54:32.288 | exec_sudo(
2018-07-16 19:54:32.288 | File "/usr/local/
2018-07-16 19:54:32.288 | ' '.join(sudo_cmd))
2018-07-16 19:54:32.288 | subprocess.