hammer2_mount: hmp=0xfffff801194a8000 pmp=0xfffff801189c0000
HAMMER2: VOLDATA DUMP
HAMMER2: INITIATE SPANs
HAMMER2: CONN WAS TERMINATED
vn0: MBR magic not found; assume a COMPATIBILITY_SLICE (s0)
v-chain 0xfffff801195284c0 volume.0   0000000000000010 0000000000000000/0  mir=0000000000000012
      [00002000] (?) refs=1
f-chain 0xfffff80119528640 freemap.0   0000000000000010 0000000000000000/0  mir=0000000000000012
      [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=0xfffff801194a8000 pmp=0xfffff801189e0000
HAMMER2: VOLDATA DUMP
HAMMER2: INITIATE SPANs
HAMMER2: CONN WAS TERMINATED
v-chain 0xfffff801195284c0 volume.0   0000000000000010 0000000000000000/0  mir=0000000000000012
      [00002000] (?) refs=1
f-chain 0xfffff80119528640 freemap.0   0000000000000010 0000000000000000/0  mir=0000000000000012
      [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
hammer2_mount: hmp=0xfffff801194a8000 pmp=0xfffff801189e0000
HAMMER2: VOLDATA DUMP
HAMMER2: INITIATE SPANs
HAMMER2: CONN WAS TERMINATED
vn0: MBR magic not found; assume a COMPATIBILITY_SLICE (s0)
v-chain 0xfffff801195284c0 volume.0   0000000000000010 0000000000000000/0  mir=0000000000000012
      [00002000] (?) refs=1
f-chain 0xfffff80119528640 freemap.0   0000000000000010 0000000000000000/0  mir=0000000000000012
      [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=0xfffff801194a8000 pmp=0xfffff80118c80000
HAMMER2: VOLDATA DUMP
HAMMER2: INITIATE SPANs
HAMMER2: CONN WAS TERMINATED
panic: assertion "j + bmradix <= HAMMER2_BMAP_BITS_PER_ELEMENT" failed in hammer2_bmap_alloc at /usr/src/sys/vfs/hammer2/hammer2_freemap.c:679
cpuid = 1
Trace beginning at frame 0xfffff801190ff6d0
hammer2_bmap_alloc.constprop.2() at hammer2_bmap_alloc.constprop.2+0x3ce 0xffffffff809825de 
hammer2_bmap_alloc.constprop.2() at hammer2_bmap_alloc.constprop.2+0x3ce 0xffffffff809825de 
hammer2_freemap_alloc() at hammer2_freemap_alloc+0x45c 0xffffffff80982a3c 
hammer2_chain_modify() at hammer2_chain_modify+0x60c 0xffffffff809702ec 
hammer2_assign_physical() at hammer2_assign_physical+0x101 0xffffffff80983851 
hammer2_xop_strategy_write() at hammer2_xop_strategy_write+0x681 0xffffffff80985331 
Debugger("panic")

CPU1 stopping CPUs: 0x0000003d
 stopped
Stopped at      Debugger+0x7c:  movb    $0,0xbdaf09(%rip)
db>