Guest:      DragonFly dfbsd 6.5-DEVELOPMENT #0: Thu Jul 2 06:02:54 UTC 2026
            root@dfbsd:/usr/obj/usr/src/sys/X86_64_GENERIC x86_64
QEMU:       pc machine, 4096 MB RAM, 6 vCPUs (vm.sh default), loader blob at 0x40000000
Kernel:     stock X86_64_GENERIC snapshot (gpio_acpi/gpio_intel compiled in,
            sys/config/X86_64_GENERIC:332-333); fixed run = same tree + fix.diff
Tables:     planted RSDP->RSDT->[FACP->FACS+DSDT, MADT] chain (gen_gpio.py,
            FADT PM blocks cloned from SeaBIOS), kenv hint.acpi.0.rsdp=0x40000000
ACPI:       ACPICA 20251212 (iasl on guest)
Rig:        \_SB.GPO0 INT33FF _UID "2", _CRS mem 0xD0000+0x8000 irq 5;
            GeneralPurposeIo OpRegion + 59-pin GpioIo connection (FLD0,59);
            TZ0._TMP hammer gated on planted register magic; _REG Sleep(200)
            on disconnect; AML debug window SystemMemory 0xD6000
            (DBG0=raw FLD0, DBG1=hammer counter, DBG2=_REG markers)
Helper kmods: gpoke.ko (plant/read register image via PHYS_TO_DMAP),
            gpo_detach.ko (lottery race), gpo_race2.ko (deterministic race),
            gpo_race3.ko (fix-validation race), diag.ko (allocation bisect)