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kextd busy timeout IOHDACodecFunction, IOHDACodecFunction, IOHDACodecFunction

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Sierra boots fine but it boots 2 minutes longer than usual boot times. I'm getting this message in verbose mode

kextd busy timeout IOHDACodecFunction, IOHDACodecFunction, IOHDACodecFunction

Audio still works by using toleda's CloverALC script 120. Before that (in El Capitan) I'm using toleda's RealtekALC 110 and I had no problems whatsoever.

My codec is ALC 888. I'm attaching my dsdt.aml file.
 

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@jonathanpaulpano Have you ever found an answer to your problem?
I am having the exact same problem with my desktop, M75B-D3H with Nvidia 8400 GS 512MB.

It takes my system little over 3 min to boot. I tried a clean config.plist with nothing checked on and i still freeze at the same line. Boot with and without injected kexts, I installed AppleACL.kext but still no improvements.

I am at the point that i turn my unit on and i walk away for a few minutes. make coffee or tea, clean the leaves or build a time machine
 
Joined
Oct 6, 2015
Messages
40
Motherboard
MSI MS-7372 v1.0
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Core 2 Duo E8400
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Nvidia Geforce 730 2GB GDDR5
Mac
Mac Pro
Mobile Phone
iOS
@jonathanpaulpano Have you ever found an answer to your problem?
I am having the exact same problem with my desktop, M75B-D3H with Nvidia 8400 GS 512MB.

It takes my system little over 3 min to boot. I tried a clean config.plist with nothing checked on and i still freeze at the same line. Boot with and without injected kexts, I installed AppleACL.kext but still no improvements.

I am at the point that i turn my unit on and i walk away for a few minutes. make coffee or tea, clean the leaves or build a time machine
I'm going to update to 10.12.1 later and I'm going to post if it's gone or not.

UPDATE: Installed 10.12.1 but IOHDACodecFunction still appears. I'm 100% sure that its AppleHDA, deleted AppleHDA when I was in 10.12 and the system booted in breeze. Why the hell is this happening to few people?! And when I was looking for some answers from toleda he said it's not an audio problem. ARE YOU KIDDING ME?
 
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Joined
Oct 6, 2015
Messages
40
Motherboard
MSI MS-7372 v1.0
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Mac
Mac Pro
Mobile Phone
iOS
If anyone else has this problem please post how you solved it
 
Joined
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@jonathanpaulpano I got it fixed! Now it takes about a minute to boot which is about the same as my laptop.

Here are pics of my clover configuration pages. i highlighted all the changes i made also the structure of clover sub folders.

I hope this solves your issue
 

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Joined
Oct 6, 2015
Messages
40
Motherboard
MSI MS-7372 v1.0
CPU
Core 2 Duo E8400
Graphics
Nvidia Geforce 730 2GB GDDR5
Mac
Mac Pro
Mobile Phone
iOS
@jonathanpaulpano I got it fixed! Now it takes about a minute to boot which is about the same as my laptop.

Here are pics of my clover configuration pages. i highlighted all the changes i made also the structure of clover sub folders.

I hope this solves your issue
Woop! Woop! I'll try this asap. Thanks for the help brother.
 
Joined
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Messages
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Motherboard
MSI MS-7372 v1.0
CPU
Core 2 Duo E8400
Graphics
Nvidia Geforce 730 2GB GDDR5
Mac
Mac Pro
Mobile Phone
iOS
@jonathanpaulpano I got it fixed! Now it takes about a minute to boot which is about the same as my laptop.

Here are pics of my clover configuration pages. i highlighted all the changes i made also the structure of clover sub folders.

I hope this solves your issue
Update: Didn't solve kextd busy issue. Did you also make changes on your DSDT?
 
Joined
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HP ProBook 4530s with i7
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i7
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Sorry for the late reply, I didnt make any changes to my DSDT.

I'll upload my clover folder as soon as i get a chance tonight.
 
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Hi all!
I'm answering this old thread because I had the exact same issue with High Sierra: "kextd busy timeout IOHDACodecFunction, IOHDACodecFunction, IOHDACodecFunction"...
Admittedly, my Z68 and the SATA I HDD I make my trials on are not the best platform, but I had 7mn of boot in my first trials, including 3mn only because of that issue! :banghead:
I've used AppleALC.kext + Lilu.kext and had sound perfectly working, but deleting those kexts (and rebuilding cache, of course), I had 3mn less boot time, which confirms it was an audio kext issue.

The weirdest thing is that audio keeps working, except for a small buzz (that I have had for years because my computer is connected to HiFi — the typical "ground loop" issue, see: https://www.tonymacx86.com/threads/audio-noise-fix-trick.221472/ — so nothing strange about it)
Yes, that's incredible! I've tripled checked my S/L/E/, L/E and Clover kexts folders, no audio kext there except for the unpatched AppleHDA and I still have sound after numerous reboots in Safe Mode, etc.! :confused:

Then I've tried the modified VoodooHDA as explained here: https://www.tonymacx86.com/threads/yosemite-10-10-3-how-to-get-hdmi-audio-working-on-nvidia-geforce-210-gt218.161513/ but that didn't change anything except for bringing HDMI Audio — which I don't need.

Then I've tried various things and ended up with a minimum of 1mn 33s boot time!
Here are the things I've done, YMMV:
- unchecked all the Fixes in the ACPI page of Clover Configurator, plus checked PStates and CStates on the right (gain ~1mn)
- Sys Params page: unchecked NvidiaWeb (as I'm still using the original drivers, for the time being)
- changed SMBIOS for MacPro 5,1: total failure!
- changed SMBIOS for iMacPro 13,3: better!
- and when everything was ok I unchecked -v

About the influence of system definitions
Now, I've booted 3 times in a row and measured the boot time.
- with iMacPro 13,3: 3mn 50s, 1mn 55s and finally 1mn 33s!!!
- with the recommended iMacPro 14,2: 2mn 10s, 2mn 2s and finally 2mn.

Hard to say if iMacPro 13,3 is just totally irregular or best suited for my build...
As these were preliminary tests to see if I make the switch from 10.9 to 10.13, I'll delay applying the update until next year, when I make maybe a Mojave trial — but anyway, I should buy a second SSD for a real side by side comparison with my main OS.
I hope those trials of mine can be of help to someone having the same issue. ;)

EDIT: more reading and more tests... I forgot to mention my checking -disablegfxfirmware boot option, even if theoretically not related to Sandy Bridge, looks it concurred to fastest boot times.
I also ended up turning back to the iMac12,2 Sys Def plus cleaning all caches with Sierra Cache Cleaner for a final 1mn 27s boot time! Yeah. :)
Before that, I installed Nvidia webdrivers, which really slowed down boot — though I had a slightly better result at Cinebench test... not really worth it.

EDIT 06/2019: I've finally found the culprit for the slow boot and achieved a 22s boot!
It's some issue with recent AppleALC.kext! v1.2.8 is ok. Works faster too in 10.11.
Before that, I've tried modifying a few things:
- I've put the SSDT generated with ssdtPRGen.sh in /EFI/CLOVER/ACPI/patched
- modified config.plist ACPI/Drop Tables with:
• SSDT TableId Cpu0Ist
• SSDT TableId CpuPm
• MATS (mandatory for HiSRA)
- unchecked all the Generate Options
=> all is working! Sound, sleep/wake — tested in 10.9, 10.11 and 10.13. As a side effect, I can now use a more recent version of FakeSMC (6.26.344 while I was quite stuck with 6.17 before)
 
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