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Cisco Bug: CSCvi55552 - CRC incrementing on Carmel when connected to Intel NIC

Last Modified

Aug 10, 2018

Products (1)

  • Cisco Nexus 5000 Series Switches

Known Affected Releases

7.1(4)N1(1)

Description (partial)

Symptom:
(config)# sh int eth 1/7 | grep CRC
    0 runts  0 giants  2216742 CRC  0 no buffer
(config)# sh int eth 1/7 | grep CRC
    0 runts  0 giants  2216742 CRC  0 no buffer

(config-if)# show int eth 1/7 | grep CRC
    0 runts  0 giants  8243 CRC  0 no buffer
(config-if)# show int eth 1/7 | grep CRC
    0 runts  0 giants  9140 CRC  0 no buffer

(config)# sh hardware internal carmel port ethernet 1/7 counters RX | grep CRC
RX_PKT_CRC_NOT_STOMPED         | 2217741
RX_PKT_CRC_STOMPED             | 0

(config-if)# sh hardware internal carmel port ethernet 1/7 counters RX | grep CRC
RX_PKT_CRC_NOT_STOMPED         | 643522
RX_PKT_CRC_STOMPED             | 0


Show hardware internal carmel port Ethernet 1/7 xcvr regs 


XCVR registers (slot 0/port 6):
Region:PMA/PMD register(s)
--------------------------------------------------------------------------------
                            PMA/PMD Control 1[0x0000]: 0x2040
                             PMA/PMD Status 1[0x0001]: 0x6
                          PMA/PMD Device ID 0[0x0002]: 0x362
                          PMA/PMD Device ID 1[0x0003]: 0x5fa1
                        PMA/PMD Speed Ability[0x0004]: 0x1
                      PMA/PMD Device in pkg 1[0x0005]: 0x8a
                      PMA/PMD Device in pkg 2[0x0006]: 0x0
                        PMA/PMD 10G Control 2[0x0007]: 0x7
                         PMA/PMD 10G Status 2[0x0008]: 0xb301
                     PMA/PMD Transmit disable[0x0009]: 0x0
                         PMA/PMD Rx Signal OK[0x000a]: 0x1
                     PMA/PMD Extended Ability[0x000b]: 0x2
                             PMA/PMD Pkg ID 0[0x000e]: 0x0
                             PMA/PMD Pkg ID 1[0x000f]: 0x0
--------------------------------------------------------------------------------
Region:PCS register(s)
--------------------------------------------------------------------------------
                                PCS Control 1[0x0000]: 0x2040
                                 PCS Status 1[0x0001]: 0x6
                              PCS Device ID 0[0x0002]: 0x362
                              PCS Device ID 1[0x0003]: 0x5fa1
                            PCS Speed Ability[0x0004]: 0x1
                          PCS Device in pkg 1[0x0005]: 0x8a
                          PCS Device in pkg 2[0x0006]: 0x0
                            PCS 10G Control 2[0x0007]: 0x0
                             PCS 10G Status 2[0x0008]: 0x8001
                                 PCS Pkg ID 0[0x000e]: 0x0
                                 PCS Pkg ID 1[0x000f]: 0x0
                         PCS 10GBASE-X Status[0x0018]: 0x0
                         PCS 10GBASE-R Status[0x0020]: 0x1005
                       PCS 10GBASE-R Status 2[0x0021]: 0x80ff
           PCS 10GBASE-R Test Pattern Seed A0[0x0022]: 0x0
           PCS 10GBASE-R Test Pattern Seed A1[0x0023]: 0x0
           PCS 10GBASE-R Test Pattern Seed A2[0x0024]: 0x0
           PCS 10GBASE-R Test Pattern Seed A3[0x0025]: 0x0
           PCS 10GBASE-R Test Pattern Seed B0[0x0026]: 0x0
           PCS 10GBASE-R Test Pattern Seed B1[0x0027]: 0x0
           PCS 10GBASE-R Test Pattern Seed B2[0x0028]: 0x0
           PCS 10GBASE-R Test Pattern Seed B3[0x0029]: 0x0
           PCS 10GBASE-R Test Pattern Control[0x002a]: 0x0
     PCS 10GBASE-R Test Pattern Error Counter[0x002b]: 0x0
--------------------------------------------------------------------------------
Region:User Defined Registers 1 register(s)
--------------------------------------------------------------------------------
                             Two-Wire Control[0x8000]: 0x8000
                            Two-Wire Checksum[0x8001]: 0x0
                       Two-Wire Transfer Size[0x8002]: 0x0
                         Two-Wire NVM Address[0x8003]: 0x100
                    Two-Wire Internal Address[0x8004]: 0x8107
                    Two-Wire Slave ID Address[0x8005]: 0xa301
          Two-Wire User Address Write Pointer[0x8006]: 0x80ae
                             RX_ALARM Control[0x9000]: 0x19
                             TX_ALARM Control[0x9001]: 0x59
                                 LASI Control[0x9002]: 0x1
                              RX_ALARM Status[0x9003]: 0x0
                              TX_ALARM Status[0x9004]: 0x0
                                  LASI Status[0x9005]: 0x0
                               PHY Identifier[0xc800]: 0x3fbf
                                Chip Revision[0xc801]: 0xb1
                                      Chip ID[0xc802]: 0x8754
                                   PMD Status[0xc804]: 0x80ec
                          PCS Digital Control[0xc808]: 0x800
                           PCS Digital Status[0xc809]: 0x0
                          BIST Control/Status[0xc80b]: 0x0
                  General Purpose I/O Control[0xc80e]: 0x70
                     BIST Packet Size Control[0xc817]: 0x0
   BIST Number of Packets Transmitted Control[0xc818]: 0x0
                 XGXS BIST Error/Vector Count[0xc81a]: 0x0
                  PCS BIST Error/Vector Count[0xc81b]: 0x0
                     Speed Link Detect Status[0xc820]: 0x6044
                             AN Speed Control[0xc822]: 0x7744
                            General-Purpose 0[0xc840]: 0x0
                      SPI Port Control/Status[0xc848]: 0x6000
                           Temperature Sensor[0xc852]: 0x0
                        Optical Configuration[0xc8e4]: 0xef
                                 TX Control 0[0xca01]: 0xae08
                                 TX Control 1[0xca02]: 0xd000
                                 TX Control 2[0xca05]: 0x1080
                       General Control Status[0xca10]: 0xc0
                                  Boot Status[0xca11]: 0x0
                                   Message In[0xca12]: 0x57c8
                                  Message Out[0xca13]: 0xe00
                   General Purpose Register 0[0xca18]: 0x8
                   General Purpose Register 1[0xca19]: 0xaa0
                   General Purpose Register 2[0xca1a]: 0x44
                   General Purpose Register 3[0xca1b]: 0xf80c
                   General Purpose Register 4[0xca1c]: 0x600d
                      Misc Control Register 1[0xca23]: 0x6042
                      Misc Control Register 2[0xca24]: 0x75e
                                   EQ Control[0xca65]: 0x3200
                                    EQ Status[0xca6d]: 0x0
                      Misc Control Register 3[0xca85]: 0x0
                   General-Purpose Register 5[0xca88]: 0xff3d
                   General-Purpose Register 6[0xca89]: 0x0
                   General-Purpose Register 7[0xca8a]: 0x0
                   General-Purpose Register 8[0xca8b]: 0x0
                   General-Purpose Register 9[0xca8c]: 0x1a
                              General Control[0xcaa1]: 0x0
                               PMD/PCS Status[0xcd04]: 0x6e6c
                   PMD Optics Digital Control[0xcd08]: 0x8600
                           PMD Digital Status[0xcd09]: 0x63f0
                         PMD/PCS Test Control[0xcd0a]: 0x0
             PMD General-Purpose Tx Pattern 0[0xcd0c]: 0x0
             PMD General-Purpose Tx Pattern 1[0xcd0d]: 0x0
                         PRBS31 Test Window 0[0xcd0f]: 0x0
                         PRBS31 Test Window 1[0xcd10]: 0x0
                         PRBS31 Test Window 2[0xcd11]: 0x0
                                TX Phase FIFO[0xcd13]: 0x30
                          User PRBS Control 0[0xcd14]: 0x8018
                           User PRBS Status 0[0xcd15]: 0x0
                    Pattern Insertion Control[0xcd18]: 0x0
                        PMD General-Purpose 1[0xcd30]: 0x0
                        PMD General-Purpose 2[0xcd31]: 0x0
--------------------------------------------------------------------------------
Region:User Defined Registers 7 register(s)
--------------------------------------------------------------------------------
                                  MII Control[0xffe0]: 0x100
                                   MII Status[0xffe1]: 0x109
                       Auto-Neg Advertisement[0xffe4]: 0x60
                Auto-Neg Link Partner Ability[0xffe5]: 0x0
                           Auto-Neg Expansion[0xffe6]: 0x4
                           Auto-Neg Next Page[0xffe7]: 0x2001
     Auto-Neg Link Partner Received Next Page[0xffe8]: 0x0
                             Auto-Neg Control[0xffef]: 0xc000
                              Miscellaneous 2[0x8309]: 0x20
        Host-side 1G BIST Pattern Gen Control[0x830a]: 0x820
                    Host-side 1G BIST Control[0x830c]: 0x0
            Host-side 1G BIST TX Packet Count[0x830d]: 0x0
            Host-side 1G BIST RX Packet Count[0x830e]: 0x0
--------------------------------------------------------------------------------
Region:LASI register(s)
--------------------------------------------------------------------------------
                             RX_ALARM Control[0x9000]: 0x19
                             TX_ALARM Control[0x9001]: 0x59
                                 LASI Control[0x9002]: 0x1
                              RX_ALARM Status[0x9003]: 0x0
                              TX_ALARM Status[0x9004]: 0x0
                                  LASI Status[0x9005]: 0x0
                              TX_FLAG Control[0x9006]: 0x0
                              RX_FLAG Control[0x9007]: 0x0
--------------------------------------------------------------------------------
Region:SFP Serial ID register(s)
--------------------------------------------------------------------------------
Raw SFP data:
-------------
        000 : 03 04 07 10 00 00 00 00 00 00 00 06 67 00 00 00 
        016 : 08 02 00 1e 43 49 53 43 4f 2d 46 49 4e 49 53 41 
        032 : 52 20 20 20 00 00 90 65 46 54 4c 58 38 35 37 31 
        048 : 44 33 42 43 4c 2d 43 32 41 20 20 20 03 52 00 a5 
        064 : 00 1a 00 00 46 4e 53 31 34 31 36 31 58 5a 30 20 
        080 : 20 20 20 20 31 30 30 34 31 31 20 20 68 80 03 d2 
        096 : 00 00 02 77 a4 ab eb a5 36 d8 a7 25 38 5b ff 7e 
        112 : 57 da e9 00 00 00 00 00 00 00 00 00 b1 7c 90 b0 
        128 : 00 00 00 00 00 00 00 00 00 00 00 00 

                            Identifier[0x0000-0x0000]: 03 
                       Ext. Identifier[0x0001-0x0001]: 04 
                             Connector[0x0002-0x0002]: 07 
                           Transceiver[0x0003-0x000a]: 10 00 00 00 00 00 00 00
                                                       
                              Encoding[0x000b-0x000b]: 06 
                           BR, Nominal[0x000c-0x000c]: 67 
                       Rate Identifier[0x000d-0x000d]: 00 
                       Length (9im,km)[0x000e-0x000e]: 00 
                          Length (9im)[0x000f-0x000f]: 00 
                         Length (50im)[0x0010-0x0010]: 08 
                       Length (62.5im)[0x0011-0x0011]: 02 
                       Length (Copper)[0x0012-0x0012]: 00 
                          Length (OM3)[0x0013-0x0013]: 1e 
                           Vendor name[0x0014-0x0023]: CISCO-FINISAR   
                           Unallocated[0x0024-0x0024]: 00 
                            Vendor OUI[0x0025-0x0027]: 00 90 65 
                             Vendor PN[0x0028-0x0037]: FTLX8571D3BCL-C2
                            Vendor rev[0x0038-0x003b]: A   
                            Wavelength[0x003c-0x003d]: 03 52 
                           Unallocated[0x003e-0x003e]: 00 
                               CC_BASE[0x003f-0x003f]: a5 
                               Options[0x0040-0x0041]: 00 1a 
                               BR, max[0x0042-0x0042]: 00 
                               BR, min[0x0043-0x0043]: 00 
                             Vendor SN[0x0044-0x0053]: FNS14161XZ0     
                             Date code[0x0054-0x005b]: 100411  
            Diagnostic Monitoring Type[0x005c-0x005c]: 68 
                      Enhanced Options[0x005d-0x005d]: 80 
                   SFF-8472 Compliance[0x005e-0x005e]: 03 
                                CC_EXT[0x005f-0x005f]: d2 
                       Vendor Specific[0x0060-0x007f]: 00 00 02 77 a4 ab eb a5
                                                       36 d8 a7 25 38 5b ff 7e
                                                       57 da e9 00 00 00 00 00
                                                       00 00 00 00 b1 7c 90 b0
                                                       
--------------------------------------------------------------------------------
Region:SFP Digital Diagnostics register(s)
--------------------------------------------------------------------------------
                        A/W Thresholds[0x0000-0x0027]: 4b 00 fb 00 46 00 00 00
                                                       8d cc 74 04 87 5a 7a 76
                                                       17 0c 07 d0 15 18 09 c4
                                                       39 c7 02 e5 1c f5 07 46
                                                       3d e9 01 97 1f 07 03 ff
                                                       
                           Unallocated[0x0028-0x0037]: 00 00 00 00 00 00 00 00
                                                       00 00 00 00 00 00 00 00
                                                       
                     Ext Cal Constants[0x0038-0x0047]: 00 00 00 00 00 00 00 00
                                                       00 00 00 00 3f 80 00 00
                                                       
                           Unallocated[0x005c-0x005e]: 00 00 00 
                                CC_DMI[0x005f-0x005f]: 10 
                           Diagnostics[0x0060-0x0069]: 2d de 7f 8d 0d c1 12 5f
                                                       18 14 
                           Unallocated[0x006a-0x006d]: 00 00 00 00 
                        Status/Control[0x006e-0x006e]: 00 
                              Reserved[0x006f-0x006f]: 00 
                           Alarm Flags[0x0070-0x0071]: 00 00 
                           Unallocated[0x0072-0x0073]: 00 00 
                         Warning Flags[0x0074-0x0075]: 00 00 
                    Ext Status/Control[0x0076-0x0077]: 00 00 
--------------------------------------------------------------------------------
Done.

Conditions:
N5596 and N5548
Versions: 7.1(4)N1(1)
7.0.8.N1.1



transceiver 
    type is 10Gbase-SR
    name is CISCO-FINISAR
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