df229x/t1: FW_SSTBUF{tx: nchunk=1 npacket=1 psize=0x80000000} + FW_STSTREAM -> fwdev_allocbuf (fwdev.c:107-109) -> fwdma_malloc_multiseg(esize=(int)roundup2(0x80000000,4))
df229x/t1: firing -- baseline expectation: Fatal trap 17 (divide error) in fwdma_malloc_multiseg
df229x/t1: SSTBUF err=0


Fatal trap 18: integer divide fault while in kernel mode
cpuid = 0; lapic id = 0
instruction pointer	= 0x8:0xffffffff82603f73
stack pointer	        = 0x10:0xfffff801182bf5d8
frame pointer	        = 0x10:0xfffff801182bf618
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		= 1009
current thread          = pri 6 
kernel: type 18 trap, code=0

CPU0 stopping CPUs: 0x0000003e
 stopped
Stopped at      dfw_dma_malloc_multiseg+0x153:  divq    %rsi,%eax
db>