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You are here: MacNN Forums > Software - Troubleshooting and Discussion > Mac OS X > Interesting single-user boot issue

Interesting single-user boot issue
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Join Date: Mar 1999
Location: Portland, Oregon, United States
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Feb 17, 2003, 05:54 PM
 
Does anyone know of a resource that has a complete list of what happens during the boot process in OS X? I have a strange issue since updating to 10.2.4...

I formatted the drive, installed 10.2 from CD and updated everything from software update. I then ran the permission fix from disk utility. I then tried to boot to single user mode to fsck the disk (I was going to do this before turning on journaling). Immediately after the screen goes black (single user mode) I get a kernal panic. New style overlay panic screen AND old style B&W text. I rebooted and everything came up fine in normal mode, I tried going back to single user mode and the same thing happened.

I can't get into single user mode, but I can get into normal mode and everything works great when in the GUI. I can "sudo shutdown now" with no issues. This is not a huge deal, but I was curious so I formatted the drive again and reinstalled everything. same issue. I have 2 HDs so I formatted the other and installed there. same issue. For some reason I can't get into single user mode on this machine.

During some of my testing I discovered that this same behavior happens under any version of Jaguar, so it has nothing to do with the 10.2.4 update.

Seems to be a hardware issue, but I don't want to start taking everything apart until I can narrow down the root cause. I would like to look through the boot scripts and remark out different lines to see if I can avoid the panic by eliminating something. Any Idea where/what information I need?

BTW, hardware is as follows:

PowerMac G4/533 1.5GB RAM (2) 120GB WD HDs (8MB Cache) PC Flashed 64MB Radeon 8500 (not overclocked) Airport card. No firewire devices and I have disconnected all USB devices other than the keyboard/mouse.
--Laurence
     
   
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