To solve the CRS-4124 & CRS-4000 error which is occurred during installing grid infrastructure on OEL / RHEL 5+. The error follows (cropped some of the code):
LOCAL ADD MODE
Creating OCR keys for user 'oracle', privgrp 'oinstall'..
Operation successful.
CRS-4664: Node localhost successfully pinned.
Adding daemon to inittab
CRS-4124: Oracle High Availability Services startup failed.
CRS-4000: Command Start failed, or completed with errors.
ohasd failed to start: Inappropriate ioctl for device
ohasd failed to start: Inappropriate ioctl for device at /u01/app/oracle/product/11.2.0/grid/crs/install/roothas.pl line 296.