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pastrychef's testing machine - HP Elite 8300 SFF - i7-3770 - GT 630

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Things seemed to be working really well until I attempted to implement CPU management.

Now I’m stuck on boot. Here is a photo of my verbose mode.

How are you implementing power management?

I am currently just using PluginType=true.

Screen Shot 2018-03-26 at 6.46.33 PM.png
 
Try removing the SSDT.aml file and just enable PluginType.

Sorry for my ignorance. How would I do that? I can’t boot.



And any ideas on why I am timing out at IOHDACodecFunction? It does 3 60 second time-outs before proceeding.



Sorry for my ignorance. How would I do that? I can’t boot.
I booted with safe mode. I should have thought of that
 
Sorry for my ignorance. How would I do that? I can’t boot.



And any ideas on why I am timing out at IOHDACodecFunction? It does 3 60 second time-outs before proceeding.




I booted with safe mode. I should have thought of that

I don't know why IOHDACodecFunction is timing out.

You should also keep a USB flash drive with known working EFI folder in the event that something gets messed up with the EFI folder on your boot drive.
 
You should also keep a USB flash drive with known working EFI folder in the event that something gets messed up with the EFI folder on your boot drive.

I’ll definitely do that in the future.
 
I’ll definitely do that in the future.

I just took a look at the step 8a that you mentioned. I don't know if the drop tables would affect booting. I've never had to use them. Even when I was still using an SSDT.aml, I never had to use drop tables. If using PluginType=true, you definitely do not need the drop tables.
 
Rehabman said:
No need for ssdtPRgen.sh generated SSDT.aml with Haswell and later as the required properties are injected by Clover with config.plist/ACPI/SSDT/Generate/PluginType=true.

As I understand this, a generated ssdt.aml is needed for Ivy Bridge and older systems.
 
As I understand this, a generated ssdt.aml is needed for Ivy Bridge and older systems.

Ah. I missed that from RehabMan... But I just did a few quick tests with PluginType=true, then with SSDT.aml, then with PluginType=true again. Using either method produced the same results.

  • CPU frequency (as reported by iStat Menus) bounced between 1.58, 3.37, 3.46, 3.56. and 3.66Ghz.
  • Sleep/wake worked fine.
  • Cinebench CPU benchmark resulted in same 6.50 score.

Also, booting with DSDT.aml and SSDT.aml was not a problem. I did not have any drop tables in any of the above instances.

Update:
More testing showed that IORegistryExplorer showed 8 power states when using SSDT.aml and 0 when using PluginType=true. I'll edit my post #1 here tomorrow. Too tired today...
 
Last edited:
I'll edit my post #1 here tomorrow. Too tired today...
You do put in a lot of hours here every day. Have a good rest !
Thanks for checking that out.
 
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