To prepare switching to OpenCore, I solved the CFG Lock issue by setup_var, clean the clover setting and DSDT. But finally I stay in clover 5126 with new optimized setting, and update to BigSur.
Gigabyte Z170X-Gaming7, i7 6700k, 32G DDR4, RX580, HighPoint Raid Card.
Had already running Catalina on OpenCore 0.6.1, updated the kexts and rebooted.
Then I updated to OpenCore 0.6.3 and still no problems.
Finally updated to Big Sur with no problems.
Did not have iMessage running on Catalina, so still doesn't work.
I can't find my Denon receiver as normal sound output, but don't know if it is a setting or a bug (was working in Catalina).
It is visible when I open Apple Music.
Fought with a relentless kernel panic for several days. Could not even boot the 11.0.1 installer. Same issue related to IOUSBFAMILY and IOUSBHOSTFAMILY Kexts in the KP backtrace. Two systems, one Ryzen 3700x and the other an Ivy Bridge.
Using OC 0.6.3 all green check marks in the Sanity Checker.
Apple A1114 bluetooth module installed in each system. Unplugged one of them and 11.0.1 booted perfectly.
These little modules have been the BT workhorses in my hacks for a decade, but apparently not anymore with Big Sur. Plug one back in and the OS instantly locks up hard. Too bad.
Hopefully this helps someone else in the same situation.
ASUS PRIME Z390-P
Intel Core I7 9700
Graphic AMD RX 580 8gb Ddr5 Sapphire Pulse
Card Wifi Bluetooth Fenvi Fv-hb 1200
SAMSUNG 970 EVO PLUS M.2 MVNE
Exit → Load Optimized Defaults : Yes
Advanced \ CPU Configuration → Intel Virtualization Technology: Enabled
Advanced \ System Agent (SA) Configuration → Vt-d: Disabled
Advanced \ PCH Configuration → IOAPIC 24-119 Entries: Enabled
Advanced \ Onboard Devices Configuration → RGB LED Lighting → When system is in sleep, hibernate or soft off states: OFF
Advanced \ AMP Configuration → Power On By PCI-E/PCI: Enabled
Advanced \ Network Stack Configuration → Network Stack: Disabled
Advanced \ USB Configuration -> Legacy USB Support: Auto
Boot → Fast Boot : Disabled
Boot → Secure Boot → OS Type : Other OS
Safe Mode F1 → Disable
Note: (RealtekRTL8111.kext 2.4.0d5 no Works) → 2.2.1 OK
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