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Thanks again for your support, I will absolutely try something other than Chrome - I will try Safari next. Just had another KP in Google Helper while I was on a Zoom call and it's getting really frustrating.

Well, I had another KP yesterday -- this time while in Chrome, watching a video. I will include the report below. At this point, I'm suspecting a hardware issue, although Memtest86 is fine after 4 passes. Would there be any wisdom to getting the Pro version and running it overnight? Or would...

First, thank you for your reply, @Edhawk, much appreciated! I have indeed updated to 13.3.1 and the minute I see Chrome wanting to update, I always do. You are correct in your assumption that I disabled the IGPU in the BIOS. I remembered that in the BIOS, I had set M.I.T.\Advanced Memory...

On my Haswell system, I have been testing the stability of sleep/wake and I feel like that is pretty solid -- I had my machine running for 3 weeks with about 45 sleep/wake cycles and everything worked great. Then I had a kernel panic, which I'll post below. Then about a week later, another...

So I removed XHCI-Unsupported.kext and tried a different USB port. I remembered the port I chose originally was operated by the Renesas uPD720210 USB 3.0 Hub controller. On a different port, driven by the chipset, I got this:

Well I gave it a go, same result. I'm open to suggestions if anyone has an idea.

Thank you for the quick reply! I disabled SSDT-USBX.aml in my config.plist, however the power output is the same. Is there anything I could check in IORegistryExplorer that might shed light on the situation? Just looking at IOProviderClass in my USBPorts.kext, it's showing as AppleUSBXHCILPTHB...

First, many thanks to @UtterDisbelief for this guide and to @Edhawk (and others) for your work here, especially on Haswell builds -- an EFI you posted helped me get to Ventura from Big Sur. Everything is working now as far as I can see (including Sleep/Wake, CPU speeds, Bluetooth, WiFi, etc.)...

I've been doing more digging and found this repeating sequence in the boot log. I've been researching the error messages and it seems to point to some misconfiguration or a hardware failure, though I can't tell which. [ 4888.110102]: NVDA: Calling gpusKillClient for task <ptr> [ 4888.110104]...

First, thanks so much for your reply, I truly appreciate you taking the time. I removed WhateverGreen.kext by switching it to 'disabled' in my config.plist for OpenCore and just ended up with blank screens. I have 2 monitors connected via DP and HDMI. I'm not using any adapters, just...

Thanks so much for the quick reply! I'm on 11.6.4

I'm trying to run 11.6.4 with a Kepler-based card, GTX 770 -- worked flawlessly in Catalina and now I'm getting a display glitch -- feels like a memory leak as it doesn't happen for days after a reboot. According to this thread, it should work with Big Sur and is natively supported. I've tried...

I'm trying to run 11.6.4 with a Kepler-based card, GTX 770 -- worked flawlessly in Catalina and now I'm getting a display glitch -- feels like a memory leak as it doesn't happen for days after a reboot. I've tried setting shikigva=40, to no avail as I saw WhateverGreen isn't providing some...

I recently had a motherboard failure and switched from a GA-Z97X-UD3H-BK to a GA-Z97X-UD7-TH. I took the opportunity to change from Clover to OpenCore 0.6.8, created a new 15,1 system definition and upgraded to Big Sur. All the basics plus sleep, power, wifi, iMessage/iCloud all seem to be...

If you're open to one more try...when the sound went out today, this appeared in the console: Feb 13 13:38:19 Brians-Mac-Pro filecoordinationd[394]: BUG in libdispatch client: kevent[EVFILT_MACHPORT] monitored resource vanished before the source cancel handler was invoked Feb 13 13:38:19...

Verified no frequency settings and UseARTFrequency is off/no. Still getting sound outages. Played sound in YouTube on Chrome, closed Chrome and then no sound...doesn't happen every time though I just tried and lost sound. Rebooting gets it back.

I selected Internal Speakers and used the green port - result is no audio. I went back to the black port and second Line Out and I have audio again. The trouble is that it's intermittent - I believe it's related to sleep/wake, however sometimes audio works after waking. Did the logs and IOReg...

Description of audio problem Sound goes out intermittently after an upgrade from 10.11 to 10.12 - can’t seem to pin it to sleep/wake or other behaviour. Rebooting fixes the issue, however I’m hoping something seems obvious from the diagnostics below. OS X version/motherboard model/BIOS...

So the fix for me was to delete "Install macOS Sierra" in /Applications and restart App Store. The download link appeared and it's downloading now...

Successful update from Beta 4 to 5 via App Storeon the Z77X...all appears to be working well (graphics, ethernet, sleep, iMessage) so far...