请教 这个crash文件怎么分析? 找到引发问题的原因,急

mtx99

crash> bt
PID: 0      TASK: 806663c0  CPU: 0   COMMAND: "swapper"
#0 [8071ce4c] crash_kexec at 8043ee15
#1 [8071ce90] die at 8040644b
#2 [8071ceb8] do_invalid_op at 80406b92
#3 [8071cf68] error_code (via invalid_op) at 80405a63
    EAX: 00000006  EBX: 00000246  ECX: ed8ae400  EDX: ed8ae000  EBP: 00000001
    DS:  007b      ESI: 00000001  ES:  007b      EDI: ed8ae400
    CS:  0060      EIP: f0c1aa00  ERR: ffffffff  EFLAGS: 00010046
#4 [8071cf9c] e1000_poll at f0c1aa00
#5 [8071cfc4] __kc_adapter_clean at f0c29c2f
#6 [8071cfd0] net_rx_action at 805a8d14
#7 [8071cfe8] __do_softirq at 80427cfa
--- <soft IRQ> ---
Segmentation fault


最好定位到哪个模块.