AutoCasperNBI v1.3 "Error: Generating Kernel cache"

[ryan_s]

@bentoms and other AutoCasperNBI users... I am having trouble figuring out how to solve this. Issue is when when applying a 10.11.1 image (15B42 created with autoDMG..no addl pkgs) and utilizing v1.3.0 of AutoCasperNBI. The process seems to kick off fine, runs for a while and write a fair amount of data ... but then after a while, the process halts with "Error: Generating Kernel cache"

I have looked through the logs...(snippet below)

Mon Nov 9 19:00:05 PST 2015 Language Code is: en
Mon Nov 9 19:00:05 PST 2015 Trying to set NetBoot's OS Language
Mon Nov 9 19:00:05 PST 2015 NetBoot's OS Language set
Mon Nov 9 19:00:05 PST 2015 Trying to get input layout id for: U.S.
Mon Nov 9 19:00:05 PST 2015 Keyboard Layout ID set to 0
Mon Nov 9 19:00:05 PST 2015 Trying to set NetBoot's Input Language
Mon Nov 9 19:00:06 PST 2015 NetBoot's Input Language set
Mon Nov 9 19:00:06 PST 2015 Trying to disable Spotlight on /Volumes/2016-Q1_10111_981 1
Mon Nov 9 19:00:06 PST 2015 Disabled Spotlight on /Volumes/2016-Q1_10111_981 1
Mon Nov 9 19:00:06 PST 2015 Creating dyld shared cache files on: /Volumes/2016-Q1_10111_981 1
Mon Nov 9 19:01:37 PST 2015 Successfully created dyld caches
Mon Nov 9 19:01:38 PST 2015 Trying to create folder /Library/NetBoot/NetBootSP0/2016-Q1_10111_981.nbi/i386/x86_64
Mon Nov 9 19:01:39 PST 2015 Created folder /Library/NetBoot/NetBootSP0/2016-Q1_10111_981.nbi/i386/x86_64
Mon Nov 9 19:01:40 PST 2015 Touching /Volumes/2016-Q1_10111_981 1/System/Library/Extensions/
Mon Nov 9 19:01:40 PST 2015 Touched /Volumes/2016-Q1_10111_981 1/System/Library/Extensions/
Mon Nov 9 19:01:40 PST 2015 Updating kernel cache on: /Volumes/2016-Q1_10111_981 1
Mon Nov 9 19:02:30 PST 2015 Updated kernel cache on: /Volumes/2016-Q1_10111_981 1
Mon Nov 9 19:02:30 PST 2015 Generating kernel cache
Mon Nov 9 19:02:34 PST 2015 Generated kernel cache on: /Volumes/2016-Q1_10111_981 1
Mon Nov 9 19:02:35 PST 2015 Copying updated kernel cache to: /Volumes/2016-Q1_10111_981 1/System/Library/Caches/com.apple.kext.caches/Startup/kernelcache
Mon Nov 9 19:02:35 PST 2015 Error: Generating kernel cache

...I see the error, but I am not sure for what reason that the kernelcache kext couldn't be used/written. The NBI directory that is written is 10.26GB in size so there is certainly a payload. I am looking through the code: https://github.com/macmule/AutoCasperNBI/blob/master/AutoCasperNBI/AutoCasperNBIAppDelegate.applescript

but I am not understanding where the problem is. This is the area of the code I was trying to look through, but I'm not exactly sure what I am looking for.

 -- Generate the Kernel cache
    on generateKernelCache_(sender)
        try
            ---- MAKE x86_64 FOLDER ----
            -- Update Build Process Window's Text Field
            set my buildProcessTextField to "Creating x84_64 folder"
            delay 0.1
            -- Update build Process ProgressBar
            set my buildProcessProgressBar to buildProcessProgressBar + 1

...

Anyone have any ideas or able to help me decipher what I'm looking at? I appreciate the help in advance!

[bentoms]

@ryan.s the Generate Kernel Cache code sits here.

hmm.. was this the AutoCasperNBI built version or possible compiled yourself?

I guess I need to remove some more ditto's as per: this

[ryan_s]

No sir, I installed AutoCasperNBI per update pop-up (running 1.2 previously). I suppose I could re-download it if you think this may be the culprit ... I am having issues in the scenario I listed on 2 separate Dist. Pts. Would DP's OS matter at all? These two happens to be running 10.9.5... that's the only oddity that I can think of

[bentoms]

@ryan.s nope the host OS does not need to match the NBI's OS.

Hmm. I'll try something tomorrow & will report back.

I've created 10.11.x NBI's fine on my 10.10.5 Mac.

[ryan_s]

Sounds good -- let me know if you need any more info or log files! I won't post all details here, but I am happy to email them to you if you want any additional info. Thanks!!

[bentoms]

@ryan.s I cannot recreate the issue :(

[cvangorp]

@bentoms I'm getting the same error as @ryan.s My host system is 10.9.5 trying to build 10.11.1 NBI with JSS 9.81. AutoCasperNBI v 1.3 I am using 2 extra packages for CCC and dock.

[bentoms · Accepted solution]

Hi @ryan.s & @cvangorp,

I have a pre-release of AutoCasperNBI 1.3.1 available: here.

Can you please test & feedback?

[cvangorp]

@bentoms I just tested and was able to create a AutocasperNBI w/o error now. Haven't tried booting to it yet, but got no error during the build process this time.
I can provide log if you would like but should be good to go!
Thanks!

[ryan_s]

@bentoms I can certainly throw any additional log files your way like I mentioned before... just let me know if you need anything.

Anyway, I downloaded the pre-release (1.3.1) and re-building right now! I'll update you later today

EDIT: @bentoms -- 1.3.1 did the trick! I am no longer receiving the error and was able to build our new NBI; tested deployment as well...all good! Thanks for the help on this sir

[bentoms]

@ryan.s awesome!

I'll release it soon then. :)

Had a couple of other issues that have been resolved in it too.