# Audit guest (dfbsd-qemu, QEMU 7.2.22/KVM, pc machine)
# The QEMU pc machine auto-attaches an empty ide1-cd0 -> nata acd0.

BASELINE kernel (all DF-2505 rig baseline runs + DF-2504 panic):
  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
  (stock build from /usr/src snapshot 'with-src'; audit-tree atapi-cd.c
   md5 == guest md5: 313112ad6f88ea440d5e6ba2a5144a8d)

PATCHED kernel (fix validation only):
  DragonFly dfbsd 6.5-DEVELOPMENT #1: Thu Oct 15 23:37:29 UTC 2026
      root@dfbsd:/usr/obj/usr/src/sys/X86_64_GENERIC  x86_64

compiler:        cc 8.3 [DragonFly] Release/2019-02-22 (guest native)
securelevel:     kern.securelevel: -1
loaded modules:  ehci.ko, xhci.ko (+ dfrig4_acd.ko during DF-2505 runs)
devices:         acd0: DVDROM <QEMU DVD-ROM/2.5+> at ata1-master WDMA2
                 cd0 at ata1 bus 0 target 0 lun 0 (no media inserted)
                 root fs on vbd0 (virtio); /dev/serno/QM00003 raw disk
users:           root; maxx uid=1001 groups=1001(maxx),5(operator)
                 (operator membership added for the unpriv probe;
                  maxx is NOT in wheel)