HAMMER(test) recovery check seqno=0010000f
HAMMER(test) recovery range 3000000000001578-3000000000001578
HAMMER(test) recovery nexto 3000000000001578 endseqno=00100010
HAMMER(test) mounted clean, no recovery needed
vn0: MBR magic not found; assume a COMPATIBILITY_SLICE (s0)
Fatal user address access from kernel mode from trigger_prune at ffffffff8094bd5f


Fatal trap 12: page fault while in kernel mode
cpuid = 0; lapic id = 0
fault virtual address	= 0x48
fault code		= supervisor read data, page not present
instruction pointer	= 0x8:0xffffffff8094bd5f
stack pointer	        = 0x10:0xfffff80117bbf318
frame pointer	        = 0x10:0xfffff80117bbf478
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		= 917
current thread          = pri 6 
kernel: type 12 trap, code=0

CPU0 stopping CPUs: 0x0000003e
 stopped
Stopped at      hammer_ioc_prune+0x37f: cmpq    $0,0x48(%rax)
db>