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Update: today I decided to disable the integrated GPU to get lossless audio working in Apple Music, and that seem to have fixed the freezing issues! I no longer need to have "caffeinate -d" running to stop the computer from freezing.

Thanks, but I was still on OC 0.7.4, that's why the they were missing. Updating to 0.7.5 (and adding the quirks) didn't solve the issue. Back to caffeinate -d.

Sure: % pmset -g System-wide power settings: Currently in use: standby 0 Sleep On Power Button 1 womp 1 autorestart 1 hibernatefile /var/vm/sleepimage proximitywake 0 powernap 0 networkoversleep 0 disksleep...

I also get random freezes on Monterey. My initial thought was that it had to do with the monitor going to sleep, but I now know it can also happen with "Turn display off" set to "Never". For me it always happens when the computer is idle. If I use it actively, it doesn't freeze (so far, anyway)...

I've also lost the USB 3 ports after the update. USB 2 works. Using iMac17,1 SMBIOS.

I've had this update issue since early Big Bur betas. With both OC 0.6.2 and 0.6.3. I tried different approaches with BlacklistAppleUpdate (TRUE, FALSE and no BlacklistAppleUpdate at all) when it was re-introduced in OC 0.6.4, but no change. Resolution (for me) was to enable SIP again.

BlacklistAppleUpdate is for blocking firmware updates, not OS updates. From Dortania: Used for blocking firmware updates, used as extra level of protection as macOS Big Sur no longer uses run-efi-updater variable Enabling SIP restored the update functionality for me. Thanks @molko1234!

Still no crashes, I think the issue is resolved. So I guess the solution was one of the following two: - I found an error in my config.plist: the AAPL,ig-platform-id type was set to String instead of Data. - I updated Lilu to 1.4.8 and WhateverGreen to 1.4.3 (now running 1.4.9 and 1.4.4).

But if I change model, will not Messages/iCloud break? I really don't want to set that up again. Just logging out/in to iCloud is a pain (re-syncing the whole Photos library, iCloud Drive etc). I've now re-enabled the iGPU + shikigva=80. So far no crashes... I still do have playback issues in...

I've tried and turned it off, but DRM still won't work. I have only got DRM to work when I have iGPU enabled + shikigva=80. Otherwise I haven't messed around with any settings yet. I can always use other web browsers for video/DRM content. But I also updated Lilu and WhateverGreen yesterday...

After I upgraded from Catalina to Big Sur (currently at 11.0.1 Beta (20B5012d)) I started to get random crashes. Screen would freeze and computer had to be hard reset. I left Console.app running I could see there were always some "virtual IOReturn IOAccelEventMachine2..." and "void...

This has been mentioned in this and other threads. Unfortunately not all motherboards has the option to disable.

Ok, I found the issue. After booting into Big Sur I found a second PXSX property in IORegistryExplorer. Which was related to the Broadcom Wi-Fi card. And Wi-Fi was something that I hadn't got working under Big Sur, even if I added brcmfx-driver=2 as a boot argument. After I disabled all...

I disabled LAN2 in BIOS and now PXSX doesn't show in IORegistryExplorer. But Big Sur still stalls at IOKit Daemon (kernelmanagerd) stall[0], (240s): 'PXSX'

Not yet. But I just did a search for "PXSX" in IORegistryExplorer and I can see it has to do with ethernet. It had SmallTreeIntel82576.kext loaded (booting under Catalina), which is used for the second ethernet port on my motherboard. I don't use that port however, so I disabled the kext. But it...

When I'm booting the Big Sur installer USB, it stalls for 240s with the following message: IOKit Daemon (kernelmanagerd) stall[0], (240s): 'PXSX' The lock-up will then repeat 3 more times, and then the installation proceeds. This happens on every restart during the installation. Big Sur will...

My H170N-WIFI card does not have a serial port from what I can tell. But in the manual I can see that at least there used to be a Super IO setting in BIOS. I don't think it had any sub-sections though. Latest BIOS update is F22e from 2018. Is there a way to force disable the serial port with...

Same here, my H170N-WIFI doesn't have a serial port, so nothing to disable :(

Well this is annoying, I can't disable my GPU. Internal Graphics is Enabled, and Initial Display Output is set to IGFX in BIOS. And ig-platform-id is set to 0x19120000 in config.plist. But as soon as I boot with -wegnoegpu it kernel panics and reboots. Booting with the Intel HD530 iGPU used to...

This is interesting. I too have a Sapphire (RX560) card + DW1560 Broadcom card, with the same issues. But I haven't gone through the hassle to uninstall the card. I poked around in BIOS to see if I could deactivate the card completely, but for some reason I couldn't get the iGPU to display...