7510E-X 业务板卡异常重启，bcmDPC (TID: 126) 这是什么原因引起的呢？

  ===============display kernel exception 10 verbose chassis 1 slot 10 ===============  

--------------------- Exception record 1 ---------------------

Description           : Kernel oops - Oops[#1]:

Recorded at           : 时间

Occurred at           : 时间

Instruction address   : 0xffffffff8020514c

Thread                : bcmDPC (TID: 126)

Context               : thread context

Chassis               : 1

Slot                  : 1

Cpu                   : 0

VCPU ID               : 0

Kernel module info    : module name (system) module address (0xffffffffc0057000)

                        module name (addon) module address (0xffffffffc0002000)

Last 5 thread switches : swapper (23:7:18.727403)-->

                         bPAR (23:7:18.727414)-->

                         bcmDPC (23:7:18.727463)-->

                         bPAR (23:7:18.727473)-->

                         bcmDPC (23:7:18.727735)

                        

Register content:

Reg:     zero, Val = 0x0000000000000000 ; Reg:       at, Val = 0x0000000000000014 ; 

Reg:       v0, Val = 0xc0000000067df3f8 ; Reg:       v1, Val = 0x0000000000000050 ; 

Reg:       a0, Val = 0xc0000000067df3f8 ; Reg:       a1, Val = 0xc000010002a8c138 ; 

Reg:       a2, Val = 0x000000000000001c ; Reg:       a3, Val = 0xffffffff80205080 ; 

Reg:       t0, Val = 0x0000000000000001 ; Reg:       t1, Val = 0x0000000000000000 ; 

Reg:       t2, Val = 0x0000000000000000 ; Reg:       t3, Val = 0x0000000000021139 ; 

Reg:       t4, Val = 0x0000000000000028 ; Reg:       t5, Val = 0xffffffff802057a8 ; 

Reg:       t6, Val = 0x0000000000000000 ; Reg:       t7, Val = 0x0000000000000000 ; 

Reg:       s0, Val = 0x0000000000000000 ; Reg:       s1, Val = 0xc000010002a8c138 ; 

Reg:       s2, Val = 0x0000000000021139 ; Reg:       s3, Val = 0xc0000000067dfc80 ; 

Reg:       s4, Val = 0xffffffffc1032070 ; Reg:       s5, Val = 0x000000000001089c ; 

Reg:       s6, Val = 0xc0000100028bd028 ; Reg:       s7, Val = 0x000000000001089c ; 

Reg:       t8, Val = 0x0000000000000004 ; Reg:       t9, Val = 0xffffffffc185f060 ; 

Reg:       k0, Val = 0xc0000000067ea588 ; Reg:       k1, Val = 0xffffffffc72c0000 ; 

Reg:       gp, Val = 0xc0000000067d0000 ; Reg:       sp, Val = 0xc0000000067df390 ; 

Reg:    s8/fp, Val = 0x0000000000001296 ; Reg:       ra, Val = 0xffffffffc0ef9044 ; 

Reg    status, Val = 0x000000005400ffe3 ; Reg:       hi, Val = 0x0000000000000001 ; 

Reg:       lo, Val = 0x000000000001089c ; Reg: badvaddr, Val = 0xc000010002a8c138 ; 

Reg:    cause, Val = 0x0000000000800008 ; Reg:      epc, Val = 0xffffffff8020514c ; 

Reg:    comr0, Val = 0x0000000000000000 ; Reg:    comr1, Val = 0x0000000000000000 ; 

Reg     comr2, Val = 0x0000000000000000 ; Reg:    comr3, Val = 0x0000000000000000 ; 

Reg:    comr4, Val = 0x0000000000000000 ; Reg:    comr5, Val = 0x0000000000000000 ; 

 

Dump stack (total 1024 bytes, 16 bytes/line):

0xc0000000067df390: c0 00 01 00 00 20 90 f0 00 00 00 00 00 01 f1 39 

0xc0000000067df3a0: 00 00 00 00 00 00 00 01 00 00 00 00 34 00 00 00 

0xc0000000067df3b0: 00 00 00 01 00 00 00 01 00 00 00 01 00 00 00 01 

0xc0000000067df3c0: 00 00 00 01 00 00 00 01 00 00 00 01 00 00 00 02 

0xc0000000067df3d0: 00 00 00 02 00 00 00 04 00 00 00 01 00 00 00 01 

0xc0000000067df3e0: 00 00 12 9a 00 00 12 96 00 00 12 a2 00 00 12 9e 

0xc0000000067df3f0: 00 00 00 00 00 00 00 00 ff ff ff ff 80 23 8e c8 

0xc0000000067df400: c0 00 00 00 0a f2 ec 18 ff ff ff ff c3 2b 91 d0 

0xc0000000067df410: ff ff ff ff c3 2b 91 d8 c0 00 00 00 0a f2 f3 88 

0xc0000000067df420: c0 00 00 00 0a f2 f3 80 c0 00 00 00 0a f2 eb b8 

0xc0000000067df430: c0 00 00 00 0a f2 eb b8 00 00 00 00 00 00 00 bc 

0xc0000000067df440: ff ff ff ff c3 2b 91 d0 ff ff ff ff 80 4b 13 b8 

0xc0000000067df450: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 01 

0xc0000000067df460: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 1c 

0xc0000000067df470: 00 00 00 00 00 00 00 00 c0 00 00 00 06 d7 80 28 

0xc0000000067df480: 00 00 00 00 00 00 00 0d 00 00 00 00 00 00 00 00 

0xc0000000067df490: 00 00 00 00 00 00 00 1c c0 00 01 00 00 1f c0 28 

0xc0000000067df4a0: 00 00 00 00 00 02 11 39 00 00 00 00 00 00 00 02 

0xc0000000067df4b0: 00 00 00 00 00 00 00 04 00 00 00 00 00 00 00 00 

0xc0000000067df4c0: 00 00 00 00 00 00 00 01 00 00 00 00 34 00 00 00 

0xc0000000067df4d0: 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 d0 

0xc0000000067df4e0: 00 00 00 00 00 00 12 a9 00 00 00 00 00 00 00 04 

0xc0000000067df4f0: 00 00 00 00 00 00 04 00 00 00 00 00 00 00 00 01 

0xc0000000067df500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 09 10 

0xc0000000067df510: 00 00 00 00 00 00 08 00 c0 00 00 00 bc 9f 42 00 

0xc0000000067df520: ff ff ff ff 80 68 8e a8 ff ff ff ff 80 2c 75 90 

0xc0000000067df530: 00 00 00 00 00 00 00 00 ff ff ff ff c7 a7 5d 38 

0xc0000000067df540: 00 00 00 00 00 02 11 39 00 00 00 00 00 00 12 a9 

0xc0000000067df550: ff ff ff ff c1 03 20 70 c0 00 00 00 06 7d fc 80 

0xc0000000067df560: 00 00 00 00 00 00 00 0d 00 00 00 00 00 00 00 00 

0xc0000000067df570: c0 00 00 00 06 7d f6 10 ff ff ff ff c0 ef be a0 

0xc0000000067df580: c0 00 00 00 06 7d fc 80 c0 00 00 00 bc 9f 08 40 

0xc0000000067df590: 00 ff ff ff c4 ad 6a e0 ff ff ff ff c0 36 4d d4 

0xc0000000067df5a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 

0xc0000000067df5b0: c0 00 00 00 06 7d f6 28 ff ff ff ff 80 3c 2b 70 

0xc0000000067df5c0: c0 00 00 00 02 51 f6 70 ff ff ff ff c3 2b 9f 78 

0xc0000000067df5d0: 00 00 00 00 00 00 00 01 ff ff ff ff 80 4b 13 90 

0xc0000000067df5e0: ff ff ff ff 80 4b 15 f0 00 00 00 00 00 00 00 a0 

0xc0000000067df5f0: ff ff ff ff c0 36 24 10 00 00 00 08 c3 2c 00 00 

0xc0000000067df600: ff ff ff ff c7 27 f2 50 ff ff ff ff c7 28 00 00 

0xc0000000067df610: c0 00 00 00 06 7d f6 68 ff ff ff ff c0 36 5d 50 

0xc0000000067df620: 00 00 00 00 00 00 00 01 c0 00 00 00 06 7d f6 c8 

0xc0000000067df630: 00 00 00 00 00 00 00 00 c0 00 00 00 a2 91 00 84 

0xc0000000067df640: 00 00 00 00 06 7d f9 b8 c0 00 00 00 06 7d f6 c8 

0xc0000000067df650: c0 00 00 00 a2 91 00 48 c0 00 00 00 a2 91 00 43 

0xc0000000067df660: c0 00 00 00 a2 91 00 5b c0 00 00 00 a2 91 00 5b 

0xc0000000067df670: ff ff ff ff c7 a8 00 00 ff ff ff ff 00 01 51 39 

0xc0000000067df680: 00 00 00 00 00 00 00 5c c0 00 00 00 06 7e 00 28 

0xc0000000067df690: 00 00 00 00 00 01 71 39 ff ff ff ff 80 4a f6 a8 

0xc0000000067df6a0: c0 00 00 00 06 7d f7 80 c0 00 00 00 00 01 91 39 

0xc0000000067df6b0: ff ff ff ff c1 03 93 58 ff ff ff ff c1 03 00 00 

0xc0000000067df6c0: ff ff ff ff 00 01 b1 39 ff ff ff ff c1 03 5b 84 

0xc0000000067df6d0: 00 00 00 00 00 00 00 00 c0 00 00 00 00 01 d1 39 

0xc0000000067df6e0: ff ff ff ff c7 a8 00 00 ff ff ff ff c7 a8 00 00 

0xc0000000067df6f0: 00 00 00 00 00 01 f1 39 ff ff ff ff c1 03 93 58 

0xc0000000067df700: 00 00 00 00 00 00 00 3e c0 00 00 00 00 02 11 39 

0xc0000000067df710: ff ff ff ff c7 cc 10 70 c0 00 00 00 06 7d f9 88 

0xc0000000067df720: ff ff ff ff 00 02 31 39 ff ff ff ff c1 85 eb 40 

0xc0000000067df730: 32 32 37 32 c0 36 4d d4 00 00 00 00 00 00 00 01 

0xc0000000067df740: c0 00 00 00 bc 9f 42 00 ff ff ff ff c0 36 4d d4 

0xc0000000067df750: 00 00 00 00 00 00 00 01 ff ff ff ff 80 2c e2 f8 

0xc0000000067df760: ff ff ff ff 80 2c e1 60 c0 00 00 00 06 7d f7 c0 

0xc0000000067df770: ff ff ff ff c7 11 2d 20 00 00 00 00 00 2d a5 d7 

0xc0000000067df780: 30 3a 3c 6e 6f 66 75 6e 63 3e 3a 20 00 ff ff ff 

 

Call trace:

Function Address = 0xffffffff8020514c

Function Address = 0xffffffffc0ef9044

Function Address = 0xffffffffc0efbea0

Function Address = 0xffffffffc0efd4b8

Function Address = 0xffffffffc0eff8ac

Function Address = 0xffffffffc0ee1ee0

Function Address = 0xffffffffc0ee485c

Function Address = 0xffffffffc0ee49d8

Function Address = 0xffffffffc0ee4a78

Function Address = 0xffffffffc1038314

Function Address = 0xffffffff80266400

Function Address = 0xffffffff8021d8e0

 

Instruction dump:

dcaa0010 dcab0018 64c6ffe0 64a50020 fc880000 fc890008 fc8a0010 fc8b0018 

10c0005a 64840020 1306003c 00000000 <dca80000> 64a50008 64c6fff8 fc880000 

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