K 10 svn:author V 10 nwhitehorn K 8 svn:date V 27 2010-05-15T20:25:29.338974Z K 7 svn:log V 277 Quiesce Open Firmware before taking control of the exception vectors and MMU. On U4-based Apple systems, there is a firmware background process to manage fans while in OF. Booting the kernel without stopping it causes the SMU to crash, which implies no fan control and no RTC. END