DF-4818 / env.txt
Guest OS : DragonFly dfbsd 6.5-DEVELOPMENT v6.5.0.1712.g89e6a-DEVELOPMENT
Kernel : X86_64_GENERIC #1 Mon Jun 29 14:18:01 UTC 2026 (INVARIANTS enabled: sys/config/X86_64_GENERIC:56)
Hypervisor : QEMU/KVM (qemu-system-x86_64, -enable-kvm)
Configs used:
baseline : -smp 6, -device nvme,serial=AUDNVME,msix_qsize=65,max_ioqpairs=8 + 8x nvme-ns (dfbsd-qemu/vm_nvme.sh)
emptypool: baseline + hw.ioapic.msi_start="224" (per-cpu MSI pool empty)
midloop : -smp 2, 24x (-device nvme,msix_qsize=65,max_ioqpairs=1 + 1x nvme-ns) (dfbsd-qemu/vm_nvme24.sh)
+ hw.ioapic.msi_start="160" (per-cpu MSI pool = 32 vectors x 2 cpus = 64)
nvme driver : compiled into kernel (device nvme); no sys/modules/nvme
hw.ncpu : 6 (baseline) / 2 (midloop)
QEMU nvme : NVMe 1.4 emulation, MSI-X table size 65 (msix_qsize=65)