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[z390 / 9600k / RX570 8GB / SMBIOS iMac 19,1] Issues with FCPx/Finder freeze, possibly due to Hardware encoding.

[z390 / 9600k / RX570 8GB / SMBIOS iMac 19,1] Issues with FCPx/Finder freeze, possibly due to Hardware encoding.

Configuration

  • MB: ASRock Z390 Phantom Gaming-ITX/ac
  • CPU: 9600k
  • GPU: MSI Radeon RX 570 ARMOR 8G OC
  • Boot SSD: XPG SX6000 Pro 1TB
  • RAM: XPG Gammix D10 3200MHz 2×8GB
  • Clover r5080 / SMBIOS iMac 19,1 / config.plist

Vanilla Install, with the following kexts:

  • AppleALC.kext
  • HibernationFixup.kext
  • IntelMausiEthernet.kext
  • Lilu.kext
  • SMCSuperIO.kext
  • USBInjectAll.kext
  • VirtualSMC.kext
  • WhateverGreen.kext

Issue

System freezes (beach ball, then freeze) when opening certain folders with video files, or certain FCPx libraries.

Hardware acceleration working with iGPU

Possible fix?

Someone here suggested to switch to iMacPro1,1 and disable iGPU to forego quicksync and use the RX570's graphic acceleration instead. I am going to try this but wondering how much of performance hit would it be compared to a using the 9600k's acceleration.

The only other possible solution I found is https://hackintosher.com/guides/fix-rendering-issues-fcpx-high-sierra/. I am not sure I want to follow these steps as it seems to be largely undocumented and not everything makes sense. It also goes against some of the settings of the Vanilla Guide.

I have also read the Shiki manual but I am not sure if it contains anything helpful in my case. https://github.com/acidanthera/WhateverGreen/blob/master/Manual/FAQ.Shiki.en.md

Anything else I may be missing?

submitted by /u/frenchyacinthe
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