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Cisco Bug: CSCun60067 - F2 powered-dn Reset due to insertion sequence failed after LC reload

Last Modified

Nov 22, 2018

Products (1)

  • Cisco Nexus 7000 Series Switches

Known Affected Releases

6.1(5)S4 6.1(5)S8 6.2(6)S23 6.2(8.12)S4 6.2(8.12)S5 7.1(0)D1(0.196) 7.1(0)D1(0.210)

Description (partial)

Symptom:
Linecard doesn't come up after reload due to LC insertion sequence failure. The reset reason will show service name as SAP:179.

Xbow-IND-7718(config)# sh system reset-reason module 6
*************** module reset reason (6) *************
Time stamp   : At 369138 usecs after Thu May 15 10:01:20 2014
 
Service name : SAP:179
Reset reason : LC insertion sequence failure => [Failures < MAX] : powercycle
Serial number: JAF1635AETA
Error code   : NA

Conditions:
Please verify following conditions.

1. Failed module event history indicates sequence timeout with MTS_SAP_IFMGR(179)

switch# show module internal event-history module <x>
172) Event:ESQ_REQ length:38, at 992293 usecs after Fri Mar 28 14:44:30 2014
    Instance:1538, Seq Id:0x1, Ret:SUCCESS
    [E_MTS_TX] Dst:MTS_SAP_IFMGR(179), Opc:MTS_OPC_LC_INSERTED(1081)
    RRtoken:0x001D8839

173) Event:ESQ_RSP length:38, at 987334 usecs after Fri Mar 28 14:52:20 2014
    Instance:1538, Seq Id:0x1, Ret:sequence timeout
    [E_MTS_RX] Src:MTS_SAP_IFMGR(179), Opc:MTS_OPC_LC_INSERTED(1081)
    RRtoken:0x001D8839

2. IM event history for failed module indicates response from MTS_SAP_DIAGCLIENT took more then 450 seconds
switch# show system internal im event-history module <x>

173) Event:ESQ_REQ length:38, at 409925 usecs after Fri Mar 28 14:44:31 2014
    Instance:1538, Seq Id:0x1, Ret:SUCCESS
    [E_MTS_TX] Dst:MTS_SAP_DIAGCLIENT(366), Opc:MTS_OPC_GOLD_BU_PP_TEST_RUN(5941
6)

174) Event:ESQ_RSP length:38, at 872133 usecs after Fri Mar 28 14:52:45 2014
    Instance:1538, Seq Id:0x1, Ret:SUCCESS
    [E_MTS_RX] Src:MTS_SAP_DIAGCLIENT(366), Opc:MTS_OPC_GOLD_BU_PP_TEST_RUN(5941
6)

3. Diag event history has following errors

switch# show diagnostic internal port_lb errors

1) Event:E_DEBUG, length:66, at 503349 usecs after Thu Oct 16 14:27:24 2014
    [103] diag_port_lb_send_lb_pkts: Packet send failed. errno(0) ret=0


2) Event:E_DEBUG, length:66, at 500100 usecs after Thu Oct 16 14:27:19 2014
    [103] diag_port_lb_send_lb_pkts: Packet send failed. errno(0) ret=0


3) Event:E_DEBUG, length:66, at 363288 usecs after Thu Oct 16 14:27:13 2014
    [103] diag_port_lb_send_lb_pkts: Packet send failed. errno(0) ret=0
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