Hackintosh freezes in Monterey Recovery and panics on restart — Ivy Bridge / RX 580 2048SP

[Rafael da Fonte Costa]

Hi everyone,

I'm troubleshooting a Hackintosh based on an older Ivy Bridge platform, and I'm currently stuck with two related-looking issues. I'm looking for help identifying the actual root cause rather than just randomly changing kexts or ACPI.

Hardware

• Motherboard: Gigabyte GA-H61M-S2-B3 Rev. 1.0

• Chipset: Intel H61

• CPU: Intel Xeon E3-1270 v2 (Ivy Bridge, 4C/8T)

• RAM: 16 GB DDR3 (2×8 GB, 1600 MHz)

• GPU: AMD Radeon RX 580 2048SP, 8 GB

• Storage: WDC SATA HDD

• Ethernet: Qualcomm/Atheros AR8151 (PCI ID 1969:1083)

• Wi-Fi: USB RTL8192EU

• Audio: onboard HD Audio

Software

• macOS: Monterey 12.6.5 (21G83)

• OpenCore: 1.0.7

• SMBIOS: MacPro6,1

• Legacy BIOS motherboard; OpenCore is booting through LegacyBoot from a FAT32 USB drive.

The macOS installation itself is not complete yet. Most of the testing is being done from Monterey Recovery/Installer.

Problem #1 — Complete freeze

Monterey Recovery/Installer eventually freezes completely.

The freeze is not limited to one specific screen. It can happen on different parts of the GUI. When it happens, the mouse/display/audio stop responding.

I have not yet established whether the kernel itself is completely dead or whether this could be a GPU/display-related hang.

Problem #2 — Restart causes a panic

Shutdown works normally, but selecting Restart results in a kernel panic/failure.

An earlier panic capture showed:

• Darwin 21.6.0

• MacPro6,1

• uptime around 1 second

• System shutdown begun: NO

• kernel_task

• Panic diags file unavailable, panic occurred prior to initialization

• org.lvs1974.driver.CpuTscSync v1.1.3 appeared in the backtrace

This initially made me suspect CpuTscSync.

However, I verified the actual EFI being used for boot, and CpuTscSync.kext was already set to:

Enabled = false

I did not change anything because it was already disabled. The system still panics on restart.

So at this point I don't want to assume CpuTscSync is the root cause.

ACPI / power management

I generated an SSDT-PM.aml specifically for this Ivy Bridge CPU.

The SSDT contains the expected P-states/APSS/APLF/ACST information for the E3-1270 v2.

I also have:

• SSDT-SBUS

• SSDT-EC

• SSDT-RMNE

• SSDT-IMEI

• SSDT-PM

I tested with SSDT-PM disabled and the corresponding CpuPm/Cpu0Ist ACPI drops disabled as well.

The Recovery freeze still occurred.

Because of that, I'm currently less convinced that SSDT-PM is responsible for the general freeze.

Current kernel quirks

Some relevant values:

AppleCpuPmCfgLock = true
AppleXcpmCfgLock = false
AppleXcpmExtraMsrs = false
AppleXcpmForceBoost = false
DisableIoMapper = true
DisableIoMapperMapping = false
DisableRtcChecksum = true
PanicNoKextDump = true
PowerTimeoutKernelPanic = true
SetApfsTrimTimeout = -1

Boot arguments:

-v debug=0x100 keepsyms=1 npci=0x2000

Kexts currently present

Lilu.kext
WhateverGreen.kext
VirtualSMC.kext
SMCProcessor.kext
SMCSuperIO.kext
RestrictEvents.kext
CpuTscSync.kext
USBToolBox.kext
UTBMap.kext
AtherosE2200Ethernet.kext

CpuTscSync.kext is currently disabled.

GPU question

The GPU is an RX 580 2048SP, which I understand can differ from the normal RX 580 in terms of GPU/device IDs and VBIOS.

I have not flashed the VBIOS and I have not applied a device-id spoof.

I'm wondering whether the 2048SP variant could be relevant to the Recovery GUI freezes, especially because WhateverGreen is involved, but I don't want to assume this without evidence.

What I've already ruled out / tested

• SSDT-PM enabled → freeze still occurs

• SSDT-PM disabled → freeze still occurs

• CpuPm/Cpu0Ist drops disabled → freeze still occurs

• CpuTscSync is disabled in the actual boot EFI → panic still occurs

• Shutdown works; restart does not

• The actual boot EFI has been verified to be the USB drive I'm using

I have deliberately avoided changing several other variables at the same time.

What I'm looking for

I'd appreciate advice from anyone familiar with:

• Ivy Bridge + Monterey

• Xeon E3-1270 v2

• MacPro6,1

• LegacyBoot/OpenCore

• RX 580 2048SP

• early Monterey kernel panics

• CpuTscSync on Ivy Bridge

In particular, I'd like to know whether the panic pattern points toward a specific subsystem, and whether the RX 580 2048SP is a realistic suspect for the Recovery freezes.

I'm trying to identify the root cause systematically rather than just throwing kexts and ACPI patches at it.

Thanks!