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| imx6q fec 驱动异常导致重启,重启后就正常了,不知什么原因? 
 kernel BUG at include/linux/netdevice.h:520!
 Unable to handle kernel NULL pointer dereference at virtual address 00000000
 pgd = d0614000
 [00000000] *pgd=00000000
 Internal error: Oops: 805 [#1] PREEMPT SMP
 Modules linked in:
 CPU: 1    Tainted: G    B   W    (3.0.35 #10)
 PC is at __bug+0x1c/0x28
 LR is at __bug+0x18/0x28
 pc : [<c004efec>]    lr : [<c004efe8>]    psr: 600b0013
 sp : d04f1df8  ip : 00000000  fp : 00000001
 r10: d04f0000  r9 : d418d380  r8 : 00000000
 r7 : d46f4044  r6 : 00000000  r5 : c06a0a8c  r4 : d46f4000
 r3 : 00000000  r2 : c0909ebc  r1 : 600b0093  r0 : 00000033
 Flags: nZCv  IRQs on  FIQs on  Mode SVC_32  ISA ARM  Segment user
 Control: 10c53c7d  Table: 2061404a  DAC: 00000015
 
 PC: 0xc004ef6c:
 ef6c  e1a04000 e24dd010 e590003c eb01ca10 e3500000 0594003c 0a00000d e2841034
 ef8c  e594002c e891000e e88d000f ea000003 e59d000c eb01ca06 e3500000 0a000006
 
 U-Boot 2009.08-dirty (Oct 10 2015 - 13:55:35)
 
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