# DF-5616 environment (audit QEMU guest, decisive run) uname -a: DragonFly dfbsd 6.5-DEVELOPMENT DragonFly 6.5-DEVELOPMENT #0: Thu Jul 2 06:02:54 UTC 2026 root@dfbsd:/usr/obj/usr/src/sys/X86_64_GENERIC x86_64 hw.ncpu: 6 hw.model: QEMU Virtual CPU version 2.5+ kern.securelevel: -1 cputimer: HPET (TSC calibration), TSC 3600008416 Hz LAPIC: enter X2APIC mode ioapic_enable: 1 (live MachIntrABI.type=2 = MACHINTR_IOAPIC) -> legacy 8259 present, idle, IMR=0xfffb (all masked, cascade bit clear in mask i.e. enabled), ELCR=0x0c00 (irq10/11 level) kernel config: X86_64_GENERIC (no INVARIANTS-style KASSERT effect on icu.c; icu.c has no INVARIANTS-only KASSERT at all — only always-on KKASSERTs) QEMU: i440fx-class (BOCHS BXPC ACPI tables), KVM build: /usr/bin/cc via bsd.kmod.mk, -Werror clean module: icuintro.ko (sha256 of icuintro.c: 36a8dcd2bfe8c9935c4d32640997bd91435fe6b7d6d5b8428ffbcd98b7624822)