Krister Bäckman
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I have found a workaround for this. After discussion on the VFIO discord
https://discord.com/channels/244187921228234762/244190447147286529/790969366476095501
they suggested to change a kernel parameter on the host `kvm.halt_poll_ns=0`
You can apply it on the host at runtime as root with
```
echo 0 > /sys/module/kvm/parameters/halt_poll_ns
```
The default value on archlinux seems to be 200000.
Just signed up to comment I'm running into this as well. Debian 10 as KVM host and Ubuntu 18.04 as VM. Running 1.15.2 version of Minecraft with default-jre jvm.
https://bugs.mojang.com/browse/MC-154629?focusedCommentId=958423&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-958423