#2: Sun Oct  4 07:33:55 UTC 2026     root@dfbsd:/usr/obj/usr
[DF-5402] probing data-carrying SG_* ioctls on /dev/sg0
    SG_GET_VERSION_NUM: rc=0 errno=0 version=30125 (OK)
    SG_GET_RESERVED_SIZE: rc=0 errno=0 size=32768
[DF-5402] ioctls work on this kernel
[sanity] SG_IO INQUIRY with a REAL 512-byte buffer
    SG_IO dxferp=0x402560 dxfer_len=512 alloclen=0xff ... rc=0 errno=0 host=0 drv=0
    inquiry data: € QEMU    QEMU DVD -ROM
[DF-5403] SG_IO INQUIRY dxferp=NULL dxfer_len=512
    expect Fatal trap 12 (write va 0x0) in bzero <- atapi_action
    SG_IO dxferp=0x0 dxfer_len=512 alloclen=0xff ... rc=-1 errno=22
    ioctl returned without panic (kernel rejected it?)
poc-exit=0