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Re: /System/Library/Extensions vs /Library/StartupItems
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Re: /System/Library/Extensions vs /Library/StartupItems

  • Subject: Re: /System/Library/Extensions vs /Library/StartupItems
  • From: Kevin Elliott <email@hidden>
  • Date: Wed, 31 Jan 2007 11:35:19 -0800
At 7:34 -0500 on 1/31/07, Michael Cashwell wrote:
Kernel extensions matching static hardware (built-in or on a non-hot-plug bus like PCI)
should load before global daemons but I'm not aware of any explicit synchronization.

Indeed, even that not really true for anything but the simplest case. It's true that the driver for a particular piece of static hardware will load very early (and probably before StartupItem launching starts), but the behavior of anything above that driver is completely up to the driver and what ever other factors may interfere/interact with the rest of the stack loading.

The only general statement that can be made is that the kext loading process starts before the StartupItem process does. Anything more than that and your making assumption that don't generalize.
--
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References: 
 >/System/Library/Extensions vs /Library/StartupItems (From: Stephane Sudre <email@hidden>)
 >Re: /System/Library/Extensions vs /Library/StartupItems (From: Michael Cashwell <email@hidden>)

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