./pmbootstrap.py log                                                                                                                                                                                                                                                                                             i
(002260) [18:57:00] (native) % parted -s /dev/install mktable msdos
Error: Partition(s) 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64 on /dev/install have been written, but we have been unable to inform the kernel of the change,
 probably because it/they are in use.  As a result, the old partition(s) will remain in use.  You should reboot now before making further changes.
(002260) [18:57:00] ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
(002260) [18:57:00] NOTE: The failed command's output is above the ^^^ line in the logfile: /home/clayton/build/pmos/log.txt
(002260) [18:57:00] ERROR: Command failed: (native) % parted -s /dev/install mktable msdos
(002260) [18:57:00] Run 'pmbootstrap log' for details.
(002260) [18:57:00] Traceback (most recent call last):
  File "/home/clayton/src/pmbootstrap/pmb/helpers/run.py", line 39, in core
    stderr=args.logfd)
  File "/usr/lib/python3.6/subprocess.py", line 291, in check_call
    raise CalledProcessError(retcode, cmd)
subprocess.CalledProcessError: Command '['sudo', '/usr/bin/sh', '-c', "unset $(env | cut -d= -f1); CHARSET=UTF-8 PATH=/usr/lib/ccache/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin SHELL=/bin/ash HISTFILE=~/.ash_history /usr/bin/chroot /home/clayton/build/pmos/chroot_native sh -c 'cd /;parted -s /dev/install mktable msdos'"]' returned non-z
ero exit status 1.

The above exception was the direct cause of the following exception:

Traceback (most recent call last):
  File "./pmbootstrap.py", line 76, in main
    pmb.install.install(args)
  File "/home/clayton/src/pmbootstrap/pmb/install/install.py", line 116, in install
    pmb.install.partition(args)
  File "/home/clayton/src/pmbootstrap/pmb/install/partition.py", line 67, in partition
    command)
  File "/home/clayton/src/pmbootstrap/pmb/chroot/root.py", line 85, in root
    return_stdout, check)
  File "/home/clayton/src/pmbootstrap/pmb/helpers/run.py", line 52, in core
    raise RuntimeError("Command failed: " + log_message) from exc
RuntimeError: Command failed: (native) % parted -s /dev/install mktable msdos