Fatal trap 18: integer divide fault while in kernel mode
cpuid = 2; lapic id = 2
instruction pointer	= 0x8:0xffffffff804bff29
stack pointer	        = 0x10:0xfffff80117f3b678
frame pointer	        = 0x10:0xfffff80117f3b6b8
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		= 865
current thread          = pri 6 
trap number		= 18
panic: integer divide fault
cpuid = 2
Trace beginning at frame 0xfffff80117f3b4d8
trap_fatal() at trap_fatal+0x301 0xffffffff80bd5a51 
trap_fatal() at trap_fatal+0x301 0xffffffff80bd5a51 
trap() at trap+0x457 0xffffffff80bd6877 
calltrap() at calltrap+0x9 0xffffffff80b99bca 
--- trap 0000000000000012, rip = ffffffff804bff29, rsp = fffff80117f3b660, rbp = fffff80117f3b6b8 ---
fwdma_malloc_multiseg() at fwdma_malloc_multiseg+0x139 0xffffffff804bff29 
fwdev_allocbuf() at fwdev_allocbuf+0x6a 0xffffffff804bec8a 
fw_ioctl() at fw_ioctl+0x94e 0xffffffff804bf70e 
boot() called on cpu#2
Uptime: 1m32s
Physical memory: 4060 MB
Dumping 554 MB: 539 523 507 491 475 459 443 427 411 395 379 363 347 331 315 299 283 267 251 235 219 203 187 171 155 139 123 107 91 75 59 43 27 11
Dump complete