Lloyd <ng2...@proton.me> writes: > On OpenBSD VMs running under Microsoft Hyper-V, I periodically see the > following kernel message displayed on the console: > > acpi0: PM1 stuck (en 0x101 st 0x1), clearing > > Looking at logs, it affects all OpenBSD VMs on the host, sometimes at the same > time -- but sometimes not at all. Sometimes, +/- 30 seconds from each other. > > More notably, it doesn't seem to affect anything. > > These are Gen 1 VMs that boot in BIOS mode. > > Digging around, this message seems common to Hyper-V users of OpenBSD. > VMware doesn't seem to be affected. Any ideas on the root cause? >
Hyper-V support has mostly atrophied. I started looking at updating it based on commits to FreeBSD and NetBSD, but it's fallen by the wayside as I'm not consistently using Hyper-V. This is a bit of a chicken and egg problem.