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[solved] Power Management issue on Dell XPS 12 with M5-6Y54

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Nov 28, 2015
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Motherboard
Lenovo Yoga 920 - OpenCore
CPU
i7-8550U
Graphics
HD620, 3840x2160
I cannot get my laptop to boot 10.12 with the appropriate SMBIOS, MacBook9,1. I have a M5-6Y54. I am able to get it to boot with iMac14,2 for some reason just fine, but I'm trying to get power management to work as described in [Guide] Native Power Management for Laptops.

I have been following https://github.com/Piker-Alpha/ssdtPRGen.sh to generate a SSDT for my processor. I understand I need to have the correct SMBIOS. I had to generate the SSDT with './ssdtPRGen.sh -b Mac-9AE82516C7C6B903 -m MacBook9,1', since I'm using iMac14,2 still. When I boot (with iMac14,2) it doesn't appear that power management is working. My CPU is consuming more power and never running under 1GHz.

Any help is appreciated!
 

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  • kextstat.zip
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  • patchmatic.zip
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  • IMG_20170525_220024.jpg
    IMG_20170525_220024.jpg
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I cannot get my laptop to boot 10.12 with the appropriate SMBIOS, MacBook9,1. I have a M5-6Y54. I am able to get it to boot with iMac14,2 for some reason just fine, but I'm trying to get power management to work as described in [Guide] Native Power Management for Laptops.

I have been following https://github.com/Piker-Alpha/ssdtPRGen.sh to generate a SSDT for my processor. I understand I need to have the correct SMBIOS. I had to generate the SSDT with './ssdtPRGen.sh -b Mac-9AE82516C7C6B903 -m MacBook9,1', since I'm using iMac14,2 still. When I boot (with iMac14,2) it doesn't appear that power management is working. My CPU is consuming more power and never running under 1GHz.

Any help is appreciated!

In order to use an SMBIOS enabled for HWP, you need the xcpm_idle patch for the kernel.
The plists in the Clover laptop guide already have the patch.
See here:
https://www.tonymacx86.com/threads/guide-booting-the-os-x-installer-on-laptops-with-clover.148093/
 
In order to use an SMBIOS enabled for HWP, you need the xcpm_idle patch for the kernel.
The plists in the Clover laptop guide already have the patch.
See here:
https://www.tonymacx86.com/threads/guide-booting-the-os-x-installer-on-laptops-with-clover.148093/

I have tried the 'MSR 0xE2 _xcpm_idle instant reboot(c) Pike R. Alpha' patch I found in the GitHub repo OS-X-Clover-Laptop-Config/config_HD520_530_540.plist. Unfortunately the issue looks very similar still.

Edit: I also tried using just your config_HD520_530_540.plist by itself with the following changes:

patch-nvme/NVMe_patches_10_12_2.plist
SMBIOS = MacBook9,1
id-platform-ig=0x191e0000
 

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  • IMG_20170526_210331.jpg
    IMG_20170526_210331.jpg
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  • config.plist
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Try with MatchOS set to "10.12.x" instead of "10.12".

Unfortunately it's still throwing the same error with MatchOS set to "10.12.x" for the xcpm_idle patch.
 

Here are my latest "Problem Reporting" files. Thank you.

Edit: Please note, I am using config_RehabMan.plist for your config_HD520_530_540.plist by itself with the following changes:

patch-nvme/NVMe_patches_10_12_2.plist
SMBIOS = MacBook9,1
id-platform-ig=0x191e0000

config_macbook91.plist is the same as config.plist, but with MacBook9,1 configured in SMBIOS and the mentioned xcpm_idle patch'
 

Attachments

  • EFI.zip
    1.7 MB · Views: 69
  • kextstat.zip
    1.2 KB · Views: 52
  • patchmatic.zip
    113.6 KB · Views: 47
Last edited:
Your config.plist has no _xcpm_idle patch.

Oh shoot, I must have just made that edit after you saw it. I haven't changed config.plist so I can use it to boot. I have included the mentioned patches in 'config_macbook91.plist'.
 
Oh shoot, I must have just made that edit after you saw it. I haven't changed config.plist so I can use it to boot. I have included the mentioned patches in 'config_macbook91.plist'.

Clover only reads config.plist.
You must provide the EFI/Clover that produces the problem along with a verbose boot photo.
 
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