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Sapphire R9 280x weird glitches

Joined
Sep 24, 2018
Messages
3
Motherboard
MSI B85-41 PC MATE
CPU
i5 4460
Graphics
R9 280X
Mobile Phone
iOS
Hello everyone,

This is my first post here so I hope I don't start on the wrong foot.
After searching on the internet for a similar problem (and solution) I have no results... so I try my luck here.

First 2-3 months from installing Mojave, everything was good, but all of a sudden this happens.
My system
macOS: 10.14.4 -> updated to 10.14.5 with no problems (it was a success)
CPU: Intel Core i5 4460
GPU: Sapphire r9 280x dual-x 3GB
RAM: 16 GB Crucial Ballistix Sport Dual Channel 4x4GB
Motherboard: MSI B85-G41 PC Mate
Screen(s) Number: 1
Screen(s) Resolution: 4K
Audio Codec: Realtek® ALC887
Ethernet Card: Realtek® 8111G
Wifi/BT Card: Dongle BT

I did a Vanilla install.
Link: Video & drivers
Link: clover.config
My kext folder has: AppleALC, Lilu, RealtekRTL8111, USBInjectAll, VirtualSMC, WhateverGreen.

PS: something I noticed today: if I set the resolution to Default for display everything is ok again. In the recording and right from the beginning I used Scaled option.
Hope that someone can help me find a solution.

Thanks!
 
Joined
Sep 24, 2018
Messages
3
Motherboard
MSI B85-41 PC MATE
CPU
i5 4460
Graphics
R9 280X
Mobile Phone
iOS
It might be when the video card is on load?? I have iStat installed but I didn't see any correlation between those two, just maybe from time to time.

Maybe someone can help me set a specific framebuffer.

Thank you.
 
Joined
Oct 24, 2017
Messages
17
Motherboard
Jingsha and Gigabyte H22M
CPU
Xeon E5-2687W V1 and Core i5-3770
Graphics
AMD 280x
Mac
Mac Pro
I'm having very similar issues on my second machine, however the machine i'm typing on has been on Mojave since release and also sports a 280x, yet it works flawlessly. Did you find a solution to this?
 
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