Also attaching ps auxf output, and the last line in syslog that's relevant is:
Mar 13 19:15:43 ubuntu ubiquity: umount: /tmp/tmp.pHSxYl51qp: not mounted
Also attaching ps auxf output, and the last line in syslog that's relevant is:
Mar 13 19:15:43 ubuntu ubiquity: umount: /tmp/tmp. pHSxYl51qp: not mounted