Facing similar problems right now. But heres some info about the setup. Think its more related to poor/high dpc latency. Currently trying to setup rocksmith2014 over Virtio+Gpu passthrough with usb 3.0 pcie card passed through to windows quest. Which i have hub plugged with usb-soundcard and realtone cable example.
So far managed to improve the performance from sound stuttering/crackling junk to almost playable hardware. Latency was dropped huge while added cpuisolation for 4 cores and 4 threads via grub.
And only problem is this instant rewind loop which can happen pretty much anytime. Might be related that soundcard/hardware buffer has some problems. I managed to release the problem sometimes just by alt tabbin out and back to game. Or it actually will settle sometimes of its own.
Case anyone interested my VM/gaming setup is running currently. Arch linux + X370 Prime Pro + AMD Ryzen 1700 + rx480 4gb + 750gtx + 16gb ddr4 3000mhz and several ssd:s.
Also using/testing Looking-Glass project which you should check out totally if interested playing windows games via vm almost next to native speed with GPU Passthrough inside window (only dummy hdmi plug required)
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FuppisMember Since 22 Feb 2014
OFFLINE Last Active Jan 19 2018 08:38 AM
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