Hey guys. This is a weird issue that's been a problem since I switched from high Sierra on a GTX 1080 to Catalina on a 5700XT. Playing dota 2 with vulkan enabled runs great until about an hour into gameplay. Then it goes to a black screen, no sound, can't get back to desktop which I resolve by powering off the whole system. If I change the settings in dota to use open-gl instead of vulkan, no crashes. This doesn't happen on a real Mac. I did a completely vanilla fresh install with big Sur using the iMac pro 1,1 (was using 19,1 with catalina) smbios and have the same issue.
Any idea what's causing this? Don't see anything too helpful in console but I don't know what I'm looking for.
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