Description

The logs indicate the parity errors in scheduler’s memory of queuing subsystem (XQSS):

 

These are of 2 types:

 

Critical and Non-Critical

 

If system registered Non-critical error and software recovery was successful, the XQSS_CMERROR_SCHED_QL4_PERR_ERR_NON_CRITICAL (0x230091) error will be risen. This error triggers a minor alarm. The minor alarm is more informational one, and we can clear it from CLI using ‘clear chassis fpc errors’ command after check. I.e., this alarm will not be service impacting.

 

In case if Critical error happens or software recovery was unsuccessful, the XQSS_CMERROR_SCHED_QL4_PERR_ERR (0x230013) error will be risen. This error triggers a major alarm.

 

This KB speaks about Minor alarm.

Symptoms

> show chassis alarms XQSS_CMERROR_SCHED_QL4_PERR_ERR_NON_CRITICAL (0x230091)

1 alarms currently active

Alarm time Class Description

2024-08-22 20:01:23 CEST Minor FPC 5 Minor Errors

 

Aug 22 20:01:23.400 2024 lab-re1 : %PFE-5: fpc5 CMError: /fpc/5/pfe/0/cm/0/XQSS(1)/1/XQSS_CMERROR_SCHED_QL4_PERR_ERR_NON_CRITICAL (0x230091), scope: pfe, category: functional, severity: minor, module: XQSS(1), type: XQSS sched QL4 PERR Minor

Aug 22 20:01:23.400 2024 lab-re1 : %PFE-5: fpc5 Performing action log for error /fpc/5/pfe/0/cm/0/XQSS(1)/1/XQSS_CMERROR_SCHED_QL4_PERR_ERR_NON_CRITICAL (0x230091) in module: XQSS(1) with scope: pfe category: functional level: minor

Aug 22 20:01:23.400 2024 lab-re1 : %PFE-5: fpc5 Performing action cmalarm for error /fpc/5/pfe/0/cm/0/XQSS(1)/1/XQSS_CMERROR_SCHED_QL4_PERR_ERR_NON_CRITICAL (0x230091) in module: XQSS(1) with scope: pfe category: functional level: minor

Aug 22 20:01:23.400 2024 lab-re1 : %PFE-3: fpc5 Cmerror Op Set: XQSS(1): XQ-SS[1]: SCHED QL4 Parity errors 0x8 at L4 node 14894 (status=0x8) (URI: /fpc/5/pfe/0/cm/0/XQSS(1)/1/XQSS_CMERROR_SCHED_QL4_PERR_ERR_NON_CRITICAL)

Aug 22 20:01:23.497 2024 lab-re1 chassisd[30350]: %DAEMON-3-CHASSISD_FPC_ASIC_ERROR: <FPC 5> ASIC Error detected errorno 0x00230091 (null)

Aug 22 20:01:23.499 2024 lab-re1 alarmd[35341]: %DAEMON-4: Alarm set: FPC id=167773544, color=YELLOW, class=CHASSIS, reason=FPC 5 Minor Errors

Aug 22 20:01:23.499 2024 lab-re1 craftd[30364]: %DAEMON-4: Minor alarm set, FPC 5 Minor Errors

Solution

Alarm will be cleared using “clear chassis fpc errors fpc-slot <>” command.

Modification History

2024-09-03 : Article Created