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Blinking screen (goes to black for a moment) of random intervals, but not at every boot, more so with some software


pinktank
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I have this mysterious issue that has cropped up in the last few months. After some boots, and sometimes after waking up from sleep, my monitor gets into a random blinking pattern where it goes black and returns as if sleeping for just a second. It happens with multiple monitors so its not the displays. I'm running Kaby Lake headless with a RX 560 (Asus Strix OC). Is there a framebuffer/connector patch I should be looking at? In ioreg the control flags and connector types seem correct. It doesn't seem to happen with the same severity with all apps but I haven't been able to connect it to rhyme or reason.

 

Thank you all for your help.

Send me d-desktop.lan.zip

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43 minutes ago, Hervé said:

Problem of power issued to the card maybe? Duff cables?  Loose cable connections?

I wish, it goes away with a restart until it gets into a blinking spell again.

Edited by pinktank
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