• Unable to power on device, stuck in D3

    jamesmus

    By jamesmus

      • Closed

    6.6.7

    Linux guest, either Ubuntu 18.10 or Fedora 30 beta. Doesn't matter if I use i440 or Q35.

     

    I pass my AMD RX580 to a Linux guest and it works great. But if I reboot or shutdown that guest VM then I can't start it again without rebooting the host machine. Sometimes it'll say "Unable to power on device, stuck in D3" in the logs and sometimes I'll get a pop-up about an error "Unknown PCI header type 127".

     

    It's the same error and it's preventing me from purchasing Unraid. I must fix this! Please take my money! It seems to be a well known problem but I don't see it on the front page anywhere.

    tower-diagnostics-20190411-1329.zip

    Go to reports Stable Releases

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    cybrnook

    I think this is the infamous AMD reset bug. You need to reboot your entire unraid host to get access to the GPU back. Once your VM is booted, basically don't power it down and reboot time again. It's an AMD issue it seems, in the BIOS of the GPU.

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