Sound & Reboot issues - FX series

sam298

New member
May 2, 2020
10
7
3
Denver, CO
I am testing opencore so I can upgrade. I installed fresh mojave. Installation and booting went smooth. I followed the tutorial and created plist (attached)
Everything is working fine except the two
Sound - sound get cuts every 2 seconds with crackling noise. Happens in analog out as well as hdmi (I just added applealc kext without adding alcid in bootargs - works in clover and oc)
I am using voodoohda kext. If I boot using clover, no issues. No youtube video crash or anything. But the distorted audio occurs in system sounds too.
Reboot - If I try to reboot, it shutsdown, monitor goes off but the cpu fan keeps running and it won't turn on back.

Can you please check if I am missing something in plist? Usb webcams are not detected. I know it is an issue with clover - wondering if opencore fixed it for FX series.
Tried iMacPro1,1 and iMac14,2. No difference. May be I need a DSDT? I am not savvy to create one.
This issue exists in all versions. I had 10.15.4. Tried to downgrade to 10.15.1 so I can use clover for audio but the installer silently installs 10.15.4. So I downgraded to mojave.
 

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spykor

New member
May 5, 2020
6
0
1
I am testing opencore so I can upgrade. I installed fresh mojave. Installation and booting went smooth. I followed the tutorial and created plist (attached)
Everything is working fine except the two
Sound - sound get cuts every 2 seconds with crackling noise. Happens in analog out as well as hdmi (I just added applealc kext without adding alcid in bootargs - works in clover and oc)
I am using voodoohda kext. If I boot using clover, no issues. No youtube video crash or anything. But the distorted audio occurs in system sounds too.
Reboot - If I try to reboot, it shutsdown, monitor goes off but the cpu fan keeps running and it won't turn on back.

Can you please check if I am missing something in plist? Usb webcams are not detected. I know it is an issue with clover - wondering if opencore fixed it for FX series.
Tried iMacPro1,1 and iMac14,2. No difference. May be I need a DSDT? I am not savvy to create one.
This issue exists in all versions. I had 10.15.4. Tried to downgrade to 10.15.1 so I can use clover for audio but the installer silently installs 10.15.4. So I downgraded to mojave.
For the building of DSDT and the relevant EC0 SSDT specific for your motherboard you can use the tools and instruction from this youtube video
. The guy is pretty thorough in his instructions, but you need a Windows installation for it to work. If you have Windows 10 as an option on your PC then go ahead. It's no-brain procedure. Otherwise you might use Clover (F4) -when you are in the Clover menu before you boot something- to extract yous DSDT and SSDTs for your motherboard. Clover will place them in /EFI/Clover/ACPI/original. Then you can grab the DSTD from there and a ready-made SSDT-EC from the Opencore instructions site, depending on your CPU (15h, 16h or 17h) Bulldozer, etc.
As for the sound on Hackintosh Mojave, I use VoodooHDA and it works just fine. On the other hand I use Clover v5 r5116 as boot loader, so this might make some difference.
My main problems continues to be the Power management. The PC will not fully shut down. When I shut it down, the system reports CPU halt the screen goes dark but the PC light indicating power on stays on all the time, until I press the Power button and turn it off manually.
I hope someone might come up with a solution for this.
I also have some problem with certain webpages in Safari, they keep reloading. Opera seem to do OK with the same pages!
I am going to stay away from Opencore for a while. It seems very particular in the way it works, depending on the motherboard. I spend more than 2 weeks trying to build a Opencore Mojave Installer but no matter what combinations of drivers and kexts I tried, it always stuck on the Opencore menu with no keyboard response. Clover never had that problem!
 

sam298

New member
May 2, 2020
10
7
3
Denver, CO
Fixed the sound issue finally by using full sample plist and editing CPU frequency.
I am using 0.5.8 opencore
Drivers: Vboxhfs, Openruntime
Kexts required: Voodoohda (hdmi and analog audio works), Realtek8111, VirtualSMC, XLNCUSBFix, Lilu
Optional kexts: Whatevergreen (testing DRM currently not working), Nullethernet (for imessage)
AML: ssdt-rmne.aml for imessage

CMOS reset: Fixed by adding fix in OC 0.5.8
USB 3.0 ports working at full speed
Graphics, sleep, shutdown etc. works

Not working: Restart not working, Webcam no video, USB2 slow speeds
 
Last edited:

RobertNeville

New member
Jun 25, 2020
1
0
1
Fixed the sound issue finally by using full sample plist and editing CPU frequency.
I am using 0.5.8 opencore
Drivers: Vboxhfs, Openruntime
Kexts required: Voodoohda (hdmi and analog audio works), Realtek8111, VirtualSMC, XLNCUSBFix, Lilu
Optional kexts: Whatevergreen (testing DRM currently not working), Nullethernet (for imessage)
AML: ssdt-rmne.aml for imessage

CMOS reset: Fixed by adding fix in OC 0.5.8
USB 3.0 ports working at full speed
Graphics, sleep, shutdown etc. works

Not working: Restart not working, Webcam no video, USB2 slow speeds
I have the same problem, can you tell me please how did you set the cpu frequency?
 

maclinux1960

New member
Jun 23, 2020
4
0
1
Hello sam298,
I have also a legacy Hackintosh with the same CPU and GPU.
What did you set at CPU frequency?

With OpenCore my Sound makes the same Problems like yours in the past.
I also have my USB 2.0 very slow.

Regards from Germany maclinux1960