Here's one way to see (some of the) stuff which loads early on... How about yours?
This is what I got just now. If it's not helpful, is there a way to ask Terminal to come up with a log-in from another occasion?
Last login: Sun Jun 12 12:40:39 on console
firstname-lastnames-imac:~ firstnamelastname$ kextstat |grep -v com.apple
Index Refs Address Size Wired Name (Version) <Linked Against>
97 0 0x15be000 0x5000 0x4000 com.hzsystems.driver.CDSDAudioCaptureSupport (1.5) <95 5 4 3 1>
129 0 0x3644d000 0x4000 0x3000 com.sophos.kext.sav (7.3.0) <5 4 1>
firstname-lastnames-imac:~ firstnamelastname$
Hmm, something tells me we got a flakey (intermittent) hardware problem here.
Uh oh.....if so, I hope we're talking about a piece of USB attached hardware.
ryck