================================================================================
DF-0220 verification environment
================================================================================
Guest: DragonFlyBSD master DEV (KVM, single-tenant, vm.sh-managed)
Snapshot reverted between boots via: dfbsd-qemu/vm.sh reset

uname -a:
  DragonFly dfbsd 6.5-DEVELOPMENT DragonFly v6.5.0.1712.g89e6a-DEVELOPMENT
  #1: Mon Jun 29 14:18:01 UTC 2026
  root@ephemeral-5c2002c44b6c:/usr/obj/usr/src/sys/X86_64_GENERIC  x86_64

cc --version:
  cc 8.3 [DragonFly] Release/2019-02-22

QEMU devices (no virtio-rng in this VM):
  -enable-kvm -m 2048 -smp 2
  -drive disk.qcow2 (virtio-blk)
  -netdev user,hostfwd 5522->22 (virtio-net)

dmesg | grep -iE 'random|entropy|csprng|rand|seed':
  rdrand0: No RdRand support.        <- no HW RNG entropy source on this guest

sysctl (post-boot):
  kern.rand_mode: mixed              <- default (rand_mode==2: csprng XOR IBAA)
  kern.boottime: { sec = ..., nsec = ... }

Random-source constants (sys/sys/random.h, sys/sys/ibaa.h):
  RAND_SRC_TIMING   = 0x0002
  RAND_SRC_THREAD2  = 0x000c
  RAND_SRC_MASK     = 0x00FF
  SIZE              = 256   (so rand_initialize timing loop = 128 csprng feeds)
  MIN_POOL_SIZE     = 96    (sys/kern/subr_csprng.c:54)

PoC user: maxx (uid 1001, not in wheel). Root shell forced via vm.sh run_root.
Console: comconsole baked into clean-install baseline; panics (none here) land
in dfbsd-qemu/boot.log.