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#52013
Greeting guys.
I got FIX the Random Freeze in High Sierra, Mojave,

First,
My hackintosh systems made by only amd cpu & nvidias,
because AMD ATI RADEON HAVE Random FREEZE problem in my system.

so, this fix types need the
1, check the not working igpu system
2, have works GPU or other have getting intrude your PC system
3, backup target system

is problem by Launch Daemons switching GPU <> IGPU system made apple.

is name “DumpGPURestart”

but this not switch iGPU<>GPU core file.
think like the 2nd trigger.
UPDATE
This Update has complete stable For Not have IGPU Users.
it very stable works.

1st, need install kext.
Spoiler:
install latest Lilu and whatevergreen kexts in
EFI/kext/Other/
Liblary/Extensions/
Both.

install latest shiki kext in
Liblary/Extensions/

install latest Fake SMC kext in
EFI/kext/Other

get in terminal
sudo kextcache -i /

https://github.com/acidanthera/Lilu
https://github.com/acidanthera/WhateverGreen
https://github.com/acidanthera/Shiki
https://bitbucket.org/RehabMan/os-x-fak ... downloads/
2nd, setup clover
Spoiler:
go to acpi tab and patches
GFX0 to IGPU
PEGP to GFX0

type BootFlags
dart=0
shikigva=**choice above value by 18

next to Device tab and Fake ID
ATI = **your GPU ID
Intel GFX = 0x0

going down custom properties
PCIaddr=01:00.00
key = device-id
value = **your second device ID(check GPUZ in rightside by xxx1002)
key(2nd) = model
value(2nd) = **your GPU model (ex.Radeon RX 580)

last by Graphics tab in...
dual link = 0
FB-Name = **check your GPU FB name
VRAM = **your VRAM(not need?)

checks by
inject intel
inject ATi
Radeon Delnit
3rd, system files rename
Spoiler:
1,
rename file a
system/liblary/launchdaemons/com.apple.dumpgpurestart.plist
dropout .plist
2,
restart your hackintosh
** is your Systems form.

you know that "whatevergeen.kext" is preposition IGPU. and shiki.
but this items had ATI systems control way.
so try whatever a not for connect IGPU to Fix Random Freeze in ATi Radeon GPU.


i'm going sleep to keep working the Hackintosh side...
Image
Image
note:
1.Mojave have fusion of gpu & igpu.
this fix is not work quick look.
2.unstable imaging by overload cpu(bad of 5-10sec freeze)
3.need test by cpu to effective gpu
4.kext reload has random freeze trigger.(use KCPM utility)
5.check your smbios. pls select macpro 2013
Post Merged
ahh that over.
if freeze again above solutions after.
type bootflag of
-wegbeta -lilubeta -vsmcbeta -rad4200 -wegoff

is -wegoff is for not have igpus user.

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#56789
Hi,

I am facing the same issue in Catalina but I am not sure how to get some values mentioned in this post. Please let me know how to get value from System forms:
shikigva=**choice above value by 18
value = **your second device ID
FB-Name = **check your GPU FB name
VRAM = **your VRAM(not need?)

I have a Vega 64 with 8GB RAM.

Thanks,
Sam
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