GA-8S661FXM-775 Rev.1 P4 motherboard cannot reboot or halt

Hi All, I'm running OpenBSD on a box with GA-8S661FXM-775 Rev.1 motherboard, with the latest bios F4 (please see dmesg below). Previously I know that FreeBSD and Linux could not reboot this hardware, but I was hoping OpenBSD could, but it can't either. Linux can halt though, but others can't halt

Re: GA-8S661FXM-775 Rev.1 P4 motherboard cannot reboot or halt

Soner Tari wrote: What could be the reason? ACPI? PCI interrupt routing warning in dmesg? Hardware support? Any links? Any ideas please... Did you try with an ACPI enabled kernel? Defining ACPI_DEBUG (sys/dev/acpi/acpivar.h) will be needed. Even the default acpi_debug value is 11, I'm not