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#1 2017-07-20 23:19:28

joshuagarr
Member
Registered: 2008-11-19

10.12.6 build 16G29 can't netboot 2017 iMacs

I built a netboot set using a 2017 iMac running 10.12.6 build 16G29 (and a working 10.12.6 recovery partition).

The iMac will not boot to this netboot set.  It displays the prohibitory symbol.  When booting in verbose mode, here's the output:

efiboot file path:  IPv4(134.10.2.24:0)
Start OpenVolume
End OpenVolume
Start ProcessOptions
End ProcessOptions
Start SetConsoleMode
End SetConsoleMode
ERROR!!! Load prelinked kernel with status 0x800000000000012
Error loading kernel cache (0x12)

The netboot set works on older machines.
My first attempt to create the netboot set resulted in an error at creation that said my recovery partition version did not match my OS version.  I fixed that in two different ways but neither resulted in a working netboot set:

Fix #1: http://www.deploystudio.com/Forums/viewtopic.php?id=7920
Fix #2. I uploaded my AutoDMG generated 10.12.6 dmg to my deploystudio Masters.  Then I netbooted the 2017 iMac to a machine-specific netboot set of 10.12.5 and restored 10.12.6 to the iMac.

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