HAMMER2: INITIATE SPANs
HAMMER2: CONN WAS TERMINATED
vn0: MBR magic not found; assume a COMPATIBILITY_SLICE (s0)
v-chain 0xfffff801198804c0 volume.0   0000000000000010 0000000000000000/0  mir=0000000000000011
      [00002000] (?) refs=1
f-chain 0xfffff80119880640 freemap.0   0000000000000010 0000000000000000/0  mir=0000000000000011
      [00002000] (?) refs=1
vn0: MBR magic not found; assume a COMPATIBILITY_SLICE (s0)
hammer2_mount: devstr="/dev/vn0@testvol"
hammer2_mount: device="/dev/vn0" label="testvol" rdonly=0
hammer2_ondisk: "/dev/vn0" zone=0 id=0 offset=0x0000000000000000 size=0x0000000004000000
hammer2_mount: "/dev/vn0": no recovery needed
hammer2_mount: hmp=0xfffff80119800000 pmp=0xfffff80118602000
HAMMER2: VOLDATA DUMP
HAMMER2: INITIATE SPANs
HAMMER2: CONN WAS TERMINATED
vn0: MBR magic not found; assume a COMPATIBILITY_SLICE (s0)
v-chain 0xfffff801198804c0 volume.0   0000000000000010 0000000000000000/0  mir=0000000000000011
      [00002000] (?) refs=1
f-chain 0xfffff80119880640 freemap.0   0000000000000010 0000000000000000/0  mir=0000000000000011
      [00002000] (?) refs=1
vn0: MBR magic not found; assume a COMPATIBILITY_SLICE (s0)
hammer2_mount: devstr="/dev/vn0@testvol"
hammer2_mount: device="/dev/vn0" label="testvol" rdonly=0
hammer2_ondisk: "/dev/vn0" zone=0 id=0 offset=0x0000000000000000 size=0x0000000004000000
hammer2_mount: "/dev/vn0": no recovery needed
hammer2_mount: hmp=0xfffff80119800000 pmp=0xfffff8011878d000
HAMMER2: VOLDATA DUMP
HAMMER2: INITIATE SPANs
HAMMER2: CONN WAS TERMINATED
v-chain 0xfffff801198804c0 volume.0   0000000000000010 0000000000000000/0  mir=0000000000000011
      [00002000] (?) refs=1
f-chain 0xfffff80119880640 freemap.0   0000000000000010 0000000000000000/0  mir=0000000000000011
      [00000000] (?) refs=1
vn0: MBR magic not found; assume a COMPATIBILITY_SLICE (s0)
hammer2_mount: devstr="/dev/vn0@testvol"
hammer2_mount: device="/dev/vn0" label="testvol" rdonly=0
hammer2_ondisk: "/dev/vn0" zone=0 id=0 offset=0x0000000000000000 size=0x0000000004000000
hammer2_mount: "/dev/vn0": no recovery needed
Fatal user address access from kernel mode from mount_hammer2 at ffffffff809831de


Fatal trap 12: page fault while in kernel mode
cpuid = 3; lapic id = 3
fault virtual address	= 0x170
fault code		= supervisor read data, page not present
instruction pointer	= 0x8:0xffffffff809831de
stack pointer	        = 0x10:0xfffff80119052a58
frame pointer	        = 0x10:0xfffff80119052ae8
code segment		= base 0x0, limit 0xfffff, type 0x1b
			= DPL 0, pres 1, long 0, def32 0, gran 1
processor eflags	= interrupt enabled, resume, IOPL = 0
current process		= 1046
current thread          = pri 6 
kernel: type 12 trap, code=0

CPU3 stopping CPUs: 0x00000037
 stopped
Stopped at      hammer2_freemap_adjust+0xce:    movl    0x170(%rax),%r9d
db>