Re: How to debug the early startup stages of OS X?
Re: How to debug the early startup stages of OS X?
- Subject: Re: How to debug the early startup stages of OS X?
- From: Adhamh Findlay <email@hidden>
- Date: Thu, 27 May 2004 21:06:59 -0500
Corey,
About all you could do is boot into OF by holding down command option O F.
Then set the verbose boot-args flag.
setenv boot-args -v
then do:
mac-boot
IF you can get anymore info that would do it.
Adhamh
Corey O'Connor wrote:
A little background: I installed the 10.3.4 updater to my G4 last
night. Sadly, the computer would then refuse to go past the grey apple
on light-grey screen. No spinning disk or anything, just the grey
screen. The comp has heavily tweaked HW & SW so I'm not bitching, just
downgraded to 10.3.3 and everything is fine.
Correct me if I'm wrong but the usual boot sequence is:
1. OF loads the first stage bootloader
2. First stage bootloader initializes the computer then loads the
kernel
3. The kernel goes off and does it's thing.
Now, I'd imagine the problem is occurring either early in stage 3 or
late in stage 2. How do I go about debugging these steps? Is there any
pointers to some way I could get OF to spit out more info or anything
along that lines?
Corey O'Connor
DogHeadBone LLC
http://www.dogheadbone.com
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