hammer_blockmap_getfree: a000000022000000 -> 7340032
hammer_reblock_helper: D 7340032/0


Fatal trap 12: page fault while in kernel mode
cpuid = 3; lapic id = 3
fault virtual address	= 0xfffff8005272a000
fault code		= supervisor write data, page not present
instruction pointer	= 0x8:0xffffffff80bcaa0a
stack pointer	        = 0x10:0xfffff8011844b270
frame pointer	        = 0x10:0xfffff8011844b478
code segment		= base 0x0, limit 0xfffff, type 0x1b
			= DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags	= interrupt enabled, resume, IOPL = 0
current process		= 1388
current thread          = pri 10 
kernel: type 12 trap, code=2

CPU3 stopping CPUs: 0x00000037
 stopped
Stopped at      memmove+0x10a:  repe movsq      (%rsi),%es:(%rdi)