Ziga Mahkovec (ziga.mahkovec(a)klika.si) said:
Without rhgb and readahead:
http://www.klika.si/ziga/bootchart/bootchart-norhgbreadahead.png
(boot time: 0:51 -- so these guys obviously don't play well together)
I'd be curious to see what happens if you turn off synchronous logging.
Bill