sio2: can't drain, serial port might not exist, disabling
hpt27xx: no controller detected.
CAM: Configuring 2 busses
CAM: finished configuring all busses
cd0 at ata1 bus 0 target 0 lun 0
cd0: <QEMU QEMU DVD-ROM 2.5+> Removable CD-ROM SCSI-0 device 
cd0: 16.000MB/s transfers
cd0: Attempt to query device size failed: NOT READY, Medium not present
Mounting root from hammer2:vbd0s1d
hammer2_mount: root devstr="vbd0s1d"
hammer2_mount: device="vbd0s1d" label="ROOT" rdonly=1
hammer2_ondisk: "/dev/vbd0s1d" zone=2 id=0 offset=0x0000000000000000 size=0x000000063f000000
hammer2_mount: hmp=0xfffff8008fae0000 pmp=0xfffff80090280000
DMA space used: 13580k, remaining available: 131072k
Mounting devfs
hammer2_mount: "vbd0s1d": no recovery needed
hammer2: enable read/write
HAMMER2: VOLDATA DUMP
HAMMER2: INITIATE SPANs
swap low/high-water marks set to 41940/62910
vn0: MBR magic not found; assume a COMPATIBILITY_SLICE (s0)
hammer2_mount: devstr="/dev/vn0@testvol"
hammer2_mount: device="/dev/vn0" label="testvol" rdonly=1
hammer2_ondisk: "/dev/vn0" zone=0 id=0 offset=0x0000000000000000 size=0x0000000004000000
hammer2_mount: hmp=0xfffff801186e0000 pmp=0xfffff80118e80000
HAMMER2: VOLDATA DUMP
HAMMER2: INITIATE SPANs
HAMMER2: CONN WAS TERMINATED
hammer2: unexpected NULL data on 0xfffff80119504500
[diagnostic] cache_lock_shared: ls blocked on 0xfffff801173a2900 "w0"