Symptom

C9404R Standby sup keeps restart and crashed because of CMCC CPUHOG. Issue does not occurs when remove the sup and inserting sup into other Cat9400chassis. Aug 11 16:25:25 KST: %EVENTLIB-3-CPUHOG: R1/0: cmcc: undefined: 17937ms, Traceback=1#1ce446c032b8374a565694303e847054 c:7F4C90461000+334C0 pthread:7F4C90805000+10700 ngmodslot_util:7F4CA3D92000+4368 ngmodslot_util:7F4CA3D92000+3EC0 ngmodslot_util:7F4CA3D92000+495C :55ADE5191000+8B043 :55ADE5191000+745F5 :55ADE5191000+509F6 :55ADE5191000+7422E :55ADE5191000+50A72 :55ADE5191000+6F552 Aug 11 16:25:25 KST: %PMAN-3-RELOAD_RP: R1/0: pman: Reloading: RP will be reloaded Aug 11 16:25:28 KST: %PMAN-3-PROCHOLDDOWN: R1/0: pman: The process cmcc has been helddown (rc 134) Aug 11 16:25:28 KST: %PMAN-0-PROCFAILCRIT: R1/0: pvp: A critical process cmcc has failed (rc 134) Aug 11 16:25:35 KST: %PMAN-5-EXITACTION: R1/0: pvp: Process manager is exiting: Critical process cmcc fault on cc_2_0 (rc=134) Aug 11 16:25:36 KST: %IOSXE_OIR-6-OFFLINECARD: Card (rp) offline in slot R1 Aug 11 16:25:36 KST: %SMART_LIC-5-SLR_IN_COMPLIANCE: The entitlement regid.2017-05.com.cisco.advantagek9-C9400,1.0_61a546cd-1037-47cb-bbe6-7cad3217a7b3 in use on this device is authorized Aug 11 16:25:36 KST: %REDUNDANCY-3-STANDBY_LOST: Standby processor fault (PEER_NOT_PRESENT) Aug 11 16:25:36 KST: %REDUNDANCY-3-STANDBY_LOST: Standby processor fault (PEER_DOWN) Aug 11 16:25:36 KST: %REDUNDANCY-3-STANDBY_LOST: Standby processor fault (PEER_REDUNDANCY_STATE_CHANGE) Aug 11 16:25:37 KST: %RF-5-RF_RELOAD: Peer reload. Reason: EHSA standby down Aug 11 16:25:37 KST: %IOSXE_REDUNDANCY-6-PEER: Active detected switch -1 as standby. Aug 11 16:25:37 KST: %CMRP-3-RP_RESET: R1/0: cmand: RP is resetting : remote RP requested reset of this RP Aug 11 16:27:04 KST: %IOSXE-3-PLATFORM: R1/0: kernel: usb 1-1: device not accepting address 2, error -110 Aug 11 16:27:15 KST: %IOSXE-3-PLATFORM: R1/0: kernel: dplr_intrpt: Entered dplr_intrpt_module_init dplr_intrpt 1 Aug 11 16:27:15 KST: %IOSXE-3-PLATFORM: R1/0: kernel: chr_mmap: Allocating DMA Reserve Pool ... Aug 11 16:27:20 KST: %IOSXE-3-PLATFORM: R1/0: kernel: usb 1-1: device not accepting address 3, error -110 Aug 11 16:27:31 KST: %IOSXE-3-PLATFORM: R1/0: kernel: usb 1-1: device not accepting address 4, error -110 Aug 11 16:27:39 KST: %IOSXE-3-PLATFORM: R1/0: kernel: i2c i2c-3: Failed to register i2c client perrier_cpld at 0x0e (-16) Aug 11 16:27:39 KST: %IOSXE-3-PLATFORM: R1/0: kernel: i2c i2c-4: Failed to register i2c client perrier_cpld at 0x0e (-16) Aug 11 16:27:39 KST: %IOSXE-3-PLATFORM: R1/0: kernel: i2c i2c-6: Failed to register i2c client perrier_cpld at 0x0e (-16) Aug 11 16:27:41 KST: %IOSXE-3-PLATFORM: R1/0: kernel: usb 1-1: device not accepting address 5, error -110 Aug 11 16:27:41 KST: %IOSXE-3-PLATFORM: R1/0: kernel: usb usb1-port1: unable to enumerate USB device Aug 11 16:28:46 KST: %IOSXE_OIR-6-ONLINECARD: Card (rp) online in slot R1 Aug 11 16:28:57 KST: %REDUNDANCY-5-PEER_MONITOR_EVENT: Active detected a standby insertion (raw-event=PEER_FOUND(4)) Aug 11 16:28:57 KST: %REDUNDANCY-5-PEER_MONITOR_EVENT: Active detected a standby insertion (raw-event=PEER_REDUNDANCY_STATE_CHANGE(5)) Aug 11 16:29:00 KST: %SMART_LIC-6-AGENT_REG_SUCCESS: Smart Agent for Licensing Registration successful. udi PID:C9407R,SN:FXS2345Q0DR Aug 11 16:29:00 KST: %SMART_LIC-6-AUTH_RENEW_SUCCESS: Authorization renewal successful. State=authorized for udi PID:C9407R,SN:FXS2345Q0DR Aug 11 16:29:00 KST: %SMART_LIC-6-RESERVED_INSTALLED: Specific License Reservation Authorization code installed for udi PID:C9407R,SN:FXS2345Q0DR Aug 11 16:29:00 KST: %SMART_LIC-6-EXPORT_CONTROLLED: Usage of export controlled features is allowed Aug 11 16:29:00 KST: %SMART_LIC-6-AGENT_REG_SUCCESS: Smart Agent for Licensing Registration successful. udi PID:C9407R,SN:FXS2345Q0DR Aug 11 16:29:00 KST: %SMART_LIC-6-AUTH_RENEW_SUCCESS: Authorization renewal successful. State=authorized for udi PID:C9407R,SN:FXS2345Q0DR Aug 11 16:29:00 KST: %SMART_LIC-6-RESERVED_INSTALLED: Specific License Reservation Authorization code installed for udi PID:C9407R,SN:FXS2345Q0DR Aug 11 16:29:00 KST: %SMART_LIC-5-SLR_IN_COMPLIANCE: The entitlement regid.2017-05.com.cisco.dna_advantage-C9400,1.0_6e77dbc1-0da3-466c-8414-97c8ee4d48ce in use on this device is authorized Aug 11 16:29:00 KST: %SMART_LIC-5-SLR_IN_COMPLIANCE: The entitlement regid.2017-05.com.cisco.advantagek9-C9400,1.0_61a546cd-1037-47cb-bbe6-7cad3217a7b3 in use on this device is authorized Aug 11 16:29:00 KST: %SMART_LIC-5-IN_COMPLIANCE: All entitlements and licenses in use on this device are authorized Aug 11 16:29:00 KST: %SMART_LIC-5-SLR_IN_COMPLIANCE: The entitlement regid.2017-05.com.cisco.advantagek9-C9400,1.0_61a546cd-1037-47cb-bbe6-7cad3217a7b3 in use on this device is authorized

Conditions

if faulty L/C in chassis may cause standby sup keeps restart

Workaround

Remove the L/C in chassis. RMA linecard.

Further Problem Description