HAMMER(df3254) recovery check seqno=00100026
HAMMER(df3254) recovery range 3000000000003938-3000000000003938
HAMMER(df3254) recovery nexto 3000000000003938 endseqno=00100027
HAMMER(df3254) mounted clean, no recovery needed
panic: assertion "HAMMER_ZONE(buf_offset) != 0" failed in _hammer_bread at /usr/src/sys/vfs/hammer/hammer_ondisk.c:1123
cpuid = 0
Trace beginning at frame 0xfffff801186e01b8
hammer_bread_ext() at hammer_bread_ext+0xe9 0xffffffff8094aa39 
hammer_bread_ext() at hammer_bread_ext+0xe9 0xffffffff8094aa39 
hammer_btree_extract() at hammer_btree_extract+0xbc 0xffffffff8092906c 
hammer_ioc_dedup() at hammer_ioc_dedup+0x11b 0xffffffff8095c35b 
hammer_ioctl() at hammer_ioctl+0x12ae 0xffffffff8093f0be 
hammer_vop_ioctl() at hammer_vop_ioctl+0x48 0xffffffff80958978 
Debugger("panic")

CPU0 stopping CPUs: 0x0000003e
 stopped
Stopped at      Debugger+0x7c:  movb    $0,0xbdaf09(%rip)
db>