问

S5500-52C-EI 当前消息队列较多或曾经满

2017-08-28提问

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无名之辈

无名之辈九段

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问题描述：

通过标杆的神器分析出的dia 信息，问题现象是：

- 检查1个exception信息块, 存在1个exception。424个任务, 其中0个异常, 1038个消息队列, 其中9个异常, 0个死循环记录, 其中0个异常。检查5个mutex信息块，其中0个异常

- 存在exception信息

================= exception info (no:  0) =================
Exception Number:          0x300
Exception Name:            DATA ACCESS EXCEPTION
Exception Instruction:     0x01A783A0
Exception Slot:            1
Exception Task:            vt0 (TID: 98)
Exception Stack Base:      0x5ca7fe8
Exception Time:            2017-08-23  03:57:19
Exception Tick:            0x12fea(CPU Tick High) 0x9a5d97f7(CPU Tick Low)

Register contents:
Reg:  link[0], Val = 0x00000000 ; Reg:  link[1], Val = 0x00000000 ;
Reg:  link[2], Val = 0x00000000 ; Reg:  link[3], Val = 0x00000000 ;
Reg:       r0, Val = 0xffffffff ; Reg:       r1, Val = 0x05ca5db8 ;
Reg:       r2, Val = 0x001eefd0 ; Reg:       r3, Val = 0x05ca5e20 ;
Reg:       r4, Val = 0x10000000 ; Reg:       r5, Val = 0x00000004 ;
Reg:       r6, Val = 0x05ca5dd8 ; Reg:       r7, Val = 0xffffffbf ;
Reg:       r8, Val = 0x05ca5de0 ; Reg:       r9, Val = 0x10000000 ;
Reg:      r10, Val = 0x05ca5de4 ; Reg:      r11, Val = 0x05ca5e20 ;
Reg:      r12, Val = 0x72880000 ; Reg:      r13, Val = 0xff3bdb85 ;
Reg:      r14, Val = 0x0f069000 ; Reg:      r15, Val = 0x00000000 ;
Reg:      r16, Val = 0x01ad1c94 ; Reg:      r17, Val = 0x01ad1c94 ;
Reg:      r18, Val = 0x01a77f98 ; Reg:      r19, Val = 0x0490fd7c ;
Reg:      r20, Val = 0x05b90000 ; Reg:      r21, Val = 0x05040000 ;
Reg:      r22, Val = 0x04f30000 ; Reg:      r23, Val = 0x04910000 ;
Reg:      r24, Val = 0x01a70000 ; Reg:      r25, Val = 0x01ad1c94 ;
Reg:      r26, Val = 0x00000007 ; Reg:      r27, Val = 0x05ca5e20 ;
Reg:      r28, Val = 0x0fffffec ; Reg:      r29, Val = 0x00001fff ;
Reg:      r30, Val = 0x00847469 ; Reg:      r31, Val = 0x05ca5db8 ;
Reg:       cr, Val = 0x48002024 ; Reg:      bar, Val = 0x0020d2d0 ;
Reg:      xer, Val = 0x20000000 ; Reg:       lr, Val = 0x03952ad8 ;
Reg:      ctr, Val = 0x01a77f98 ; Reg:     srr0, Val = 0x01a783a0 ;
Reg:     srr1, Val = 0x0000b032 ; Reg:      dar, Val = 0x10000000 ;
Reg:    dsisr, Val = 0x20000000 ; Reg:   vector, Val = 0x00000300 ;

Dump stack(total 512Bytes,16Bytes/line):
0x05ca5db8: 05 ca 5e 08 0f e0 90 44 05 ca 5e 20 10 00 00 00
0x05ca5dc8: 00 00 00 03 00 00 00 00 00 00 00 00 00 00 00 00
0x05ca5dd8: 00 00 00 04 00 00 00 02 05 ca 5e 20 10 00 00 00
0x05ca5de8: 05 ca 5e 25 20 00 00 00 00 00 00 04 00 00 00 00
0x05ca5df8: 00 00 00 00 03 95 23 ec 00 00 b0 32 0b dc 5c a4
0x05ca5e08: 05 ca 5e 88 03 95 2b 14 05 03 e7 d8 09 5b bd 60
0x05ca5e18: 05 ca 5e 38 01 b0 c4 14 00 00 00 00 00 ca 5e 28
0x05ca5e28: 05 ca 5e 58 01 a7 24 04 08 25 fd f0 0b dc 5a a4
0x05ca5e38: 0c 16 d7 b8 08 19 c7 f0 08 19 c7 f0 08 19 c8 4f
0x05ca5e48: ff 3b fb 85 5f 1b fb 89 ff 1b fb b0 ff 3b fb 81
0x05ca5e58: 00 00 00 00 00 00 00 00 01 e7 71 d0 00 00 00 01
0x05ca5e68: 00 00 00 19 00 00 00 00 01 e7 6f d8 00 00 00 03
0x05ca5e78: cd 07 01 02 cd 07 01 03 08 19 c7 f0 00 00 00 03
0x05ca5e88: 05 ca 5e c8 03 95 2f 1c 00 00 00 00 00 00 00 00
0x05ca5e98: 05 ca 5e c8 01 e7 6b 18 00 02 30 00 00 01 00 62
0x05ca5ea8: 01 b4 cb 04 00 00 00 00 06 27 3a 48 01 b4 cb 04
0x05ca5eb8: 05 ca 5f f0 08 19 c7 f0 06 27 3a 28 05 ca 5e e8
0x05ca5ec8: 05 ca 5e e8 03 95 31 64 00 00 00 00 00 00 00 00
0x05ca5ed8: 00 01 40 00 08 08 0a 10 07 b4 c9 f4 05 ca 5e e8
0x05ca5ee8: 05 ca 5f 98 01 e7 8f 78 08 19 c7 f0 00 00 00 00
0x05ca5ef8: 05 ca 5f f0 05 ca 5f e4 00 00 00 00 00 00 00 00
0x05ca5f08: 06 b8 3b 70 08 19 c7 f0 08 19 c8 63 00 00 00 07
0x05ca5f18: cd 07 01 03 cd 07 00 00 02 16 00 00 00 00 01 5c
0x05ca5f28: 00 68 43 dd 01 ed 28 ac 07 b4 c9 f4 05 ca 5f 38
0x05ca5f38: 05 ca 5f 98 00 00 00 00 05 ca 5f ec 00 00 00 00
0x05ca5f48: 00 00 00 19 00 00 00 00 00 00 00 00 00 00 00 19
0x05ca5f58: 00 00 00 83 00 00 00 62 00 00 00 01 00 00 00 01
0x05ca5f68: 08 28 ed e0 00 00 00 01 00 00 00 02 00 00 00 10
0x05ca5f78: 00 00 00 00 00 00 00 00 00 00 00 03 04 b3 7f a9
0x05ca5f88: 00 00 00 00 08 08 0a 10 06 2c 20 00 05 ca 5f 98
0x05ca5f98: 05 ca 65 d8 01 ee 04 ec 08 2f f2 a0 06 b8 71 e0
0x05ca5fa8: 07 ea 4b 20 06 a4 a2 60 00 00 00 03 07 b4 c9 f0

Print layers of stack when exception:
Stack Top = 0x05ca5db8, Return Address = 0x01a783a0
Stack Top = 0x05ca5e08, Return Address = 0x03952b14
Stack Top = 0x05ca5e88, Return Address = 0x03952f1c
Stack Top = 0x05ca5ec8, Return Address = 0x03953164
Stack Top = 0x05ca5ee8, Return Address = 0x01e78f78
Stack Top = 0x05ca5f98, Return Address = 0x01ee04ec
Stack Top = 0x05ca65d8, Return Address = 0x01ef3b3c
Stack Top = 0x05ca6608, Return Address = 0x01ef60e4
Stack Top = 0x05ca6698, Return Address = 0x01efaadc
Stack Top = 0x05ca6958, Return Address = 0x01efe148
Stack Top = 0x05ca6988, Return Address = 0x01f1795c
Stack Top = 0x05ca6e18, Return Address = 0x01f18328
Stack Top = 0x05ca7078, Return Address = 0x01eb9c28
Stack Top = 0x05ca73f8, Return Address = 0x01ebcfe8
Stack Top = 0x05ca7428, Return Address = 0x01e78f78
Stack Top = 0x05ca74d8, Return Address = 0x01ee04ec
Stack Top = 0x05ca7b18, Return Address = 0x01ef3b3c
Stack Top = 0x05ca7b48, Return Address = 0x01ef60e4
Stack Top = 0x05ca7bd8, Return Address = 0x01efaadc
Stack Top = 0x05ca7e98, Return Address = 0x01efe148

==

- 当前消息队列占用较多或曾经满

===============display queue slot 1===============
QID Name Mode     QueueLen CurrentLen   MaxLen WriteWaitLen MsgSize FullCount
68 HNDT FIFO           10          0       10           10      16        30
176 IPTM FIFO         1024          0     1024         1024      16      1437
182 FSRT FIFO          100          0      100          100      16        54

===============display queue slot 2===============
QID Name Mode     QueueLen CurrentLen   MaxLen WriteWaitLen MsgSize FullCount
68 HNDT FIFO           10          0       10           10      16        30
176 IPTM FIFO         1024          1     1024         1023      16      1434
182 FSRT FIFO          100          0      100          100      16        52

===============display queue slot 3===============
QID Name Mode     QueueLen CurrentLen   MaxLen WriteWaitLen MsgSize FullCount
68 HNDT FIFO           10          0       10           10      16        30
176 IPTM FIFO         1024          3     1024         1021      16      1427
182 FSRT FIFO          100          0      100          100      16        54