Got an error that the interpretation section said only happens if the gpu is old

[mopishlynx23]

I've got a Radeon 7600 XT, came out this year. I'm gettting Runtime error: This device lacks support for DEVICE_LOCAL+HOST_COHERENT memory type. several times. I dualboot windows and linux, and while nothing bad appears to happen in Ubuntu, windows refuses to run the test and outputs this error. Is this a driver issue?

[galkinvv]

This indeed does look like a software issue, but hard to tell what exactly to blame. So, please provide some more diagnostic info:

• rename the executable to memtest_vulkan_verbose.exe run it again, then copy&post here its entire output
• please make a screenshot of GPU-Z utility - select the "Advanced" Tab, and there switch to "Vulkan" section
• while the above may be enough for diagnostics - the most complete info can be collected by (unrelated to my projects) open-source vulkan-caps-viewer utility - https://vulkan.gpuinfo.org/download.php If you download it, and auto-upload the result to the gpuinfo database - it would contain all of details about yours vulkan instalation, that can be linked from here, like https://vulkan.gpuinfo.org/displayreport.php?id=31152#memory

[mopishlynx23]

I got it to work. I think the latest AMD driver has issues with eGPUs, so I got the driver from the manufacturer instead and it's working fine now. Might be a thing I need to report to AMD.

[galkinvv]

Thanks for info!

I looked at vulkan database a bit - and found that some mentions some quite strange vulkan devices containing Direct3D in their name Microsoft Direct3D12 (AMD Radeon RX 7600)

That strange name looks like some vulkan-over-Direct3D12 emulation layer. I don't what's this technology but that strange device exactly has quite limited memory types in report, like yours. Maybe some similar tchnology activates for your case