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=0xfffff80119360000 pmp=0xfffff80118abf000
HAMMER2: VOLDATA DUMP
HAMMER2: INITIATE SPANs
HAMMER2: CONN WAS TERMINATED
panic with 1 spinlocks held
panic: hammer2_chain_insert: collision 0xfffff80118c22100 0xfffff80118c21980 (key=0000000000000401)
cpuid = 3
Trace beginning at frame 0xfffff80118ddd7b0
hammer2_chain_insert() at hammer2_chain_insert+0x15b 0xffffffff8096d95b 
hammer2_chain_insert() at hammer2_chain_insert+0x15b 0xffffffff8096d95b 
hammer2_chain_get() at hammer2_chain_get+0x64 0xffffffff809706a4 
hammer2_chain_lookup() at hammer2_chain_lookup+0x615 0xffffffff80971205 
hammer2_chain_inode_find() at hammer2_chain_inode_find+0x117 0xffffffff80974ed7 
hammer2_xop_nresolve() at hammer2_xop_nresolve+0x1a5 0xffffffff8097ea15 
Debugger("panic")

CPU3 stopping CPUs: 0x00000037
 stopped
Stopped at      Debugger+0x7c:  movb    $0,0xbdaf09(%rip)
db>