I don't know if this helps but I had a similar issue on a Windows 10 VM with a GPU attached.
(Unraid 6.10-rc2 Windows 10 with nvidia gpu. SeaBIOS used otherwise always goes into bios on boot)
I made sure VM power management was set to never turn off and it would still go paused erratically.
Changing the machine type to a lower number seems to have solved it. It was on i440fx-6.1 but now with i440fx-3.0 no issues so far (its been 2 days). I haven't tried another other versions and I don't know what benefits I've lost by using the lower level of 3.0 but as it working ...
(SOLVED) VM Win 10 Keeps Pausing or Will not start
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I don't know if this helps but I had a similar issue on a Windows 10 VM with a GPU attached.
(Unraid 6.10-rc2 Windows 10 with nvidia gpu. SeaBIOS used otherwise always goes into bios on boot)
I made sure VM power management was set to never turn off and it would still go paused erratically.
Changing the machine type to a lower number seems to have solved it. It was on i440fx-6.1 but now with i440fx-3.0 no issues so far (its been 2 days). I haven't tried another other versions and I don't know what benefits I've lost by using the lower level of 3.0 but as it working ...
Cheers