BAD TRAP: type=31 rp=2a100826fa0 addr=c mmu_fsr=0 occurred in module "ip" due to a NULL pointer dere

 Hi,

My server(T5120) rebooted  with following string.

panic[cpu55]/thread=30008f3cb80:

BAD TRAP: type=31 rp=2a100826fa0 addr=c mmu_fsr=0 occurred in module "ip" due to

a NULL pointer dereference

　

netstat:

trap type = 0x31

addr=0xc

pid=2804, pc=0x7beec42c, sp=0x2a100826841, tstate=0x4480001600, context=0x66c

g1-g7: 2, 41, 4dc, 0, 1976760, 0, 30008f3cb80

000002a100826cc0 unix:die+78 (31, 2a100826fa0, c, 0, 2a100826d80, 10ae000)

%l0-3: 0000000000001fff 0000000000000031 0000000001000000 0000000000002000

%l4-7: 0000000001832338 0000000001832000 0000000000000000 0000004480001600

000002a100826da0 unix:trap+9e4 (2a100826fa0, 0, 5, 1c00, 0, 1)

%l0-3: 0000000000000000 000006003725c658 0000000000000031 0000000000000000

%l4-7: ffffffffffffe000 0000000000000001 0000000000000005 0000000000000001

000002a100826ef0 unix:ktl0+64 (6002aa53540, 0, 2000000, 60021658470, 10d0, 2)

%l0-3: 00000300052cc000 00000000000001b8 0000004480001600 000000000101f9d0

%l4-7: 0000000000000002 0000000000000001 0000000000000000 000002a100826fa0