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Rojer-bkk
Beginner

%C4K_RKNOVA-2-EDACSOFTERROR

Hi Expert,

%C4K_RKNOVA-2-EDACSOFTERROR: Excessive number of correctable CPU L2 cache soft errors

I don't found in any docs and error decode tool.

Anyone have ever got this error messages? is it serious?

Thanks in advance.

1 ACCEPTED SOLUTION

Accepted Solutions

Hi Rojer,

Thanks for your kind response. If you start to see this error message continuously, that indicates the HW problem, you may need to replace the supervisor.

Its good to see that the error not re-occuring again, so we can conclude this is kind of transient behavior.

Regards,

Aru

*** Please rate if the post is useful ***

Regards, Aru *** Please rate if the post useful ***

View solution in original post

4 REPLIES 4
Arumugam Muthaiah
Cisco Employee

Hi Rojer,

This logs indicates that there is ECC error on switch and this error is a sign of failing memory on the CPU.

The ECC error indicates a single byte parity error occurred which the Error Correcting Code on the switch was able to recover from. Parity errors are usually one-time transient events.

Do you see this error continuously on the switch? please share the below logs, to understand this behavior

#show version

#show module

#show log

Regards,

Aru

*** Please rate if the post is useful ***

Regards, Aru *** Please rate if the post useful ***

Hi Aru,

Thanks for reply. No more error re-happening. It look like to be one time error.

Hi Rojer,

Thanks for your kind response. If you start to see this error message continuously, that indicates the HW problem, you may need to replace the supervisor.

Its good to see that the error not re-occuring again, so we can conclude this is kind of transient behavior.

Regards,

Aru

*** Please rate if the post is useful ***

Regards, Aru *** Please rate if the post useful ***

View solution in original post

Even I'm getting same error messages, Could you suggest me is it Hardware problem?

Device runnig latest IOS  i.e. cat4500e-universalk9.SPA.03.08.06.E.152-4.E6.bin. 

Sh logs : 

Dec 21 01:17:27.590 EST: %IOSXE-3-PLATFORM: 1 process kernel: [2908865.835778] EDAC MPC85xx MC0: PFN: 0x00154495
Dec 21 01:18:28.254 EST: %IOSXE-3-PLATFORM: 1 process kernel: [2908926.501495] EDAC MPC85xx MC0: Err Detect Register: 0x00000004
Dec 21 01:18:28.254 EST: %IOSXE-3-PLATFORM: 1 process kernel: [2908926.501507] EDAC MPC85xx MC0: Faulty Data bit: 29
Dec 21 01:18:28.254 EST: %IOSXE-3-PLATFORM: 1 process kernel: [2908926.501511] EDAC MPC85xx MC0: Expected Data / ECC:^I0x510dd53c_80000010 / 0x29
Dec 21 01:18:28.254 EST: %IOSXE-3-PLATFORM: 1 process kernel: [2908926.501516] EDAC MPC85xx MC0: Captured Data / ECC:^I0x510dd53c_a0000010 / 0x29
Dec 21 01:18:28.254 EST: %IOSXE-3-PLATFORM: 1 process kernel: [2908926.501520] EDAC MPC85xx MC0: Err addr: 0x154495588
Dec 21 01:18:28.254 EST: %IOSXE-3-PLATFORM: 1 process kernel: [2908926.501523] EDAC MPC85xx MC0: PFN: 0x00154495
Dec 21 01:18:28.254 EST: %IOSXE-3-PLATFORM: 1 process kernel: [2908926.501541] EDAC MPC85xx MC0: Err Detect Register: 0x80000004
Dec 21 01:18:28.254 EST: %IOSXE-3-PLATFORM: 1 process kernel: [2908926.501550] EDAC MPC85xx MC0: Faulty Data bit: 29
Dec 21 01:18:28.254 EST: %IOSXE-3-PLATFORM: 1 process kernel: [2908926.501554] EDAC MPC85xx MC0: Expected Data / ECC:^I0x510dd53c_80000010 / 0x29
Dec 21 01:18:28.254 EST: %IOSXE-3-PLATFORM: 1 process kernel: [2908926.501558] EDAC MPC85xx MC0: Captured Data / ECC:^I0x510dd53c_a0000010 / 0x29
Dec 21 01:18:28.254 EST: %IOSXE-3-PLATFORM: 1 process kernel: [2908926.501562] EDAC MPC85xx MC0: Err addr: 0x154495588
Dec 21 01:18:28.255 EST: %IOSXE-3-PLATFORM: 1 process kernel: [2908926.501566] EDAC MPC85xx MC0: PFN: 0x00154495
Dec 21 01:18:36.678 EST: %C4K_RKNOVA-2-EDACSOFTERROR: Excessive number of correctable DDR soft errors
Dec 21 01:27:53.102 EST: %IOSXE-3-PLATFORM: 1 process kernel: [2909491.348122] EDAC MPC85xx MC0: Err Detect Register: 0x00000004
Dec 21 01:27:53.102 EST: %IOSXE-3-PLATFORM: 1 process kernel: [2909491.348134] EDAC MPC85xx MC0: Faulty Data bit: 29
Dec 21 01:27:53.102 EST: %IOSXE-3-PLATFORM: 1 process kernel: [2909491.348138] EDAC MPC85xx MC0: Expected Data / ECC:^I0x510dd53c_80000010 / 0x29
Dec 21 01:27:53.102 EST: %IOSXE-3-PLATFORM: 1 process kernel: [2909491.348142] EDAC MPC85xx MC0: Captured Data / ECC:^I0x510dd53c_a0000010 / 0x29
Dec 21 01:27:53.102 EST: %IOSXE-3-PLATFORM: 1 process kernel: [2909491.348146] EDAC MPC85xx MC0: Err addr: 0x154495588
Dec 21 01:27:53.102 EST: %IOSXE-3-PLATFORM: 1 process kernel: [2909491.348149] EDAC MPC85xx MC0: PFN: 0x00154495
Dec 21 01:27:53.102 EST: %IOSXE-3-PLATFORM: 1 process kernel: [2909491.348168] EDAC MPC85xx MC0: Err Detect Register: 0x80000004
Dec 21 01:27:53.102 EST: %IOSXE-3-PLATFORM: 1 process kernel: [2909491.348177] EDAC MPC85xx MC0: Faulty Data bit: 29
Dec 21 01:27:53.102 EST: %IOSXE-3-PLATFORM: 1 process kernel: [2909491.348181] EDAC MPC85xx MC0: Expected Data / ECC:^I0x510dd53c_80000010 / 0x29
Dec 21 01:27:53.102 EST: %IOSXE-3-PLATFORM: 1 process kernel: [2909491.348185] EDAC MPC85xx MC0: Captured Data / ECC:^I0x510dd53c_a0000010 / 0x29
Dec 21 01:27:53.102 EST: %IOSXE-3-PLATFORM: 1 process kernel: [2909491.348189] EDAC MPC85xx MC0: Err addr: 0x154495588
Dec 21 01:27:53.103 EST: %IOSXE-3-PLATFORM: 1 process kernel: [2909491.348192] EDAC MPC85xx MC0: PFN: 0x00154495
Dec 21 01:28:50.978 EST: %IOSXE-3-PLATFORM: 1 process kernel: [2909549.224505] EDAC MPC85xx MC0: Err Detect Register: 0x00000004
Dec 21 01:28:50.978 EST: %IOSXE-3-PLATFORM: 1 process kernel: [2909549.224516] EDAC MPC85xx MC0: Faulty Data bit: 29
Dec 21 01:28:50.978 EST: %IOSXE-3-PLATFORM: 1 process kernel: [2909549.224521] EDAC MPC85xx MC0: Expected Data / ECC:^I0x510dd53c_80000010 / 0x29
Dec 21 01:28:50.978 EST: %IOSXE-3-PLATFORM: 1 process kernel: [2909549.224525] EDAC MPC85xx MC0: Captured Data / ECC:^I0x510dd53c_a0000010 / 0x29
Dec 21 01:28:50.978 EST: %IOSXE-3-PLATFORM: 1 process kernel: [2909549.224529] EDAC MPC85xx MC0: Err addr: 0x154495588
Dec 21 01:28:50.978 EST: %IOSXE-3-PLATFORM: 1 process kernel: [2909549.224532] EDAC MPC85xx MC0: PFN: 0x00154495

 

Chassis Type : WS-C4500X-16

Power consumed by backplane : 0 Watts

Mod Ports Card Type Model Serial No.
---+-----+--------------------------------------+------------------+-----------
1 16 4500X-16 10GE (SFP+) WS-C4500X-16 JAE21**2* 
2 8 10GE SFP+ C4KX-NM-8 JAE21*000**