Yep, that was it, forgot to switch to MP in the guest. Guest is now reporting:
gon2# sysctl -a|grep cpu kern.ccpu=1948 hw.ncpu=6 hw.cpuspeed=3600 hw.ncpufound=6 hw.ncpuonline=6 hw.blockcpu=SL machdep.cpuvendor=AuthenticAMD machdep.cpuid=0x870f10 machdep.cpufeature=0x178bab7f Thanks! Peter Oct 12, 2026, 13:02 by [email protected]: > On 12.10.2026 11:54, ptr wrote: > >> The guest multi processor changes committed here (Yay!) >> https://github.com/openbsd/src/commit/d74b165ebc85c9aaf5150f25e6088f52d9fc0f04 >> - is this complete now? >> >> Testing on latest snapshot (VM with 6c), the guest reports hw.ncpufound=6 >> but only 1 is online: >> > > running a MP kernel? Show dmesg > >> gon2# sysctl -a | grep cpu >> kern.ccpu=1948 >> hw.ncpu=1 >> hw.cpuspeed=3600 >> hw.ncpufound=6 >> hw.ncpuonline=1 >> hw.blockcpu= >> machdep.cpuvendor=AuthenticAMD >> machdep.cpuid=0x870f10 >> machdep.cpufeature=0x178bab7f >> >> Also tested different hw.blockcpu values, no change. >> Best, >> Peter >> > > -- > Mark Patruck ( mark at wrapped.cx ) > GPG key 0xF2865E51 / 187F F6D3 EE04 1DCE 1C74 F644 0D3C F66F F286 5E51 > > https://www.wrapped.cx >
