root@manta:/data/local/tmp # mount -t ext4 /dev/block/sda2 /root

root@manta:/data/local/tmp # ./busybox chroot /root /debootstrap/debootstrap --second-stage

Segmentation fault

139|root@manta:/data/local/tmp # df

Filesystem               Size     Used     Free   Blksize
/dev                   549.6M    32.0K   549.5M   4096
/sys/fs/cgroup         549.6M     0.0K   549.6M   4096
/mnt/asec              549.6M     0.0K   549.6M   4096
/mnt/obb               549.6M     0.0K   549.6M   4096
/system                643.7M   643.7M     0.0K   4096
/cache                 519.7M     8.8M   510.9M   4096
/data                   13.1G     3.9G     9.1G   4096
/factory                19.7M     4.0M    15.6M   4096
/mnt/shell/emulated     13.1G     3.9G     9.1G   4096
/storage/emulated      549.6M     0.0K   549.6M   4096
/storage/emulated/0     13.1G     3.9G     9.1G   4096
/storage/emulated/0/Android/obb    13.1G     3.9G     9.1G   4096
/storage/emulated/legacy    13.1G     3.9G     9.1G   4096
/storage/emulated/legacy/Android/obb    13.1G     3.9G     9.1G   4096
/root                   43.3G   596.4M    42.7G   4096