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Switch Rebooted With Core File After Reaching 95% Memory Utilization

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TitleSwitch Rebooted With Core File After Reaching 95% Memory Utilization
Symptoms
  • Switch reports ARP/MAC flapping
[06/12/20 15:42:29.405:EDT] 0x000385ff 00000000 GlobalRouter P2IP ERROR MAC Flapping detected on Host ARP x.x.x.x MAC yy:yy:yy:yy:yy:yy old MAC zz:zz:zz:zz:zz:zz
[06/12/20 15:42:29.405:EDT] 0x000385ff 00000000 GlobalRouter P2IP ERROR MAC Flapping detected on Host ARP x.x.x.x MAC yy:yy:yy:yy:yy:yy old MAC zz:zz:zz:zz:zz:zz
[06/12/20 15:42:29.405:EDT] 0x000385ff 00000000 GlobalRouter P2IP ERROR MAC Flapping detected on Host ARP x.x.x.x MAC yy:yy:yy:yy:yy:yy old MAC zz:zz:zz:zz:zz:zz
[06/12/20 15:42:29.405:EDT] 0x00038600 00d00006 DYNAMIC SET GlobalRouter P2IP ERROR MAC Flapping detected on Host ARP x.x.x.x MAC yy:yy:yy:yy:yy:yy old MAC zz:zz:zz:zz:zz:zz
[06/12/20 15:42:29.405:EDT] 0x00038600 00d00006 DYNAMIC SET GlobalRouter P2IP ERROR MAC Flapping detected on Host ARP x.x.x.x MAC yy:yy:yy:yy:yy:yy old MAC zz:zz:zz:zz:zz:zz
[06/12/20 15:42:29.405:EDT] 0x00038600 00d00006 DYNAMIC SET GlobalRouter P2IP ERROR MAC Flapping detected on Host ARP x.x.x.x MAC yy:yy:yy:yy:yy:yy old MAC zz:zz:zz:zz:zz:zz
[06/12/20 15:52:30.614:EDT] 0x00038601 00d00006 DYNAMIC CLEAR GlobalRouter P2IP ERROR Cleared the condition for MAC Flapping detected: Host ARP x.x.x.x MAC zz:zz:zz:zz:zz:zz
[06/12/20 15:52:30.614:EDT] 0x00038601 00d00006 DYNAMIC CLEAR GlobalRouter P2IP ERROR Cleared the condition for MAC Flapping detected: Host ARP x.x.x.x MAC zz:zz:zz:zz:zz:zz
  • fbufs messages logged followed by DB Sync messages until switch runs out of memory and cores
06/25/20 06:43:50.493:EDT] 0x0002474c 00000000 GlobalRouter CPU INFO CPP: 60 percent of fbufs are in use: 1 in Tx queue,
 957 in RxQueue0 7 in RxQueue1 19 in RxQueue2 1 in RxQueue3 0 in RxQueue4 591 in RxQueue5 252 in RxQueue6 1 in RxQueue7
06/25/20 06:46:29.868:EDT] 0x00390605 00000000 GlobalRouter DBSYNC ERROR Message from tMain to DB Sync not queued, error: 4. Restart PIM-GW and/or DVR subsystem on this node!
06/25/20 06:46:29.868:EDT] 0x00390600 00000000 GlobalRouter DBSYNC ERROR DB Sync software error DBSyncRxPktAPI 325
06/25/20 06:52:17.728:EDT] 0x00390605 00000000 GlobalRouter DBSYNC ERROR Message from tMain to DB Sync not queued, error: 4. Restart PIM-GW and/or DVR subsystem on this node!
06/25/20 06:52:17.728:EDT] 0x00390600 00000000 GlobalRouter DBSYNC ERROR DB Sync software error DBSyncRxPktAPI 325
06/25/20 06:52:17.728:EDT] 0x00390605 00000000 GlobalRouter DBSYNC ERROR Message from tMain to DB Sync not queued, error: 4. Restart PIM-GW and/or DVR subsystem on this node!
06/25/20 06:52:17.729:EDT] 0x00390600 00000000 GlobalRouter DBSYNC ERROR DB Sync software error DBSyncRxPktAPI 325
06/25/20 06:52:25.022:EDT] 0x00270419 00000000 GlobalRouter SW ERROR Memory reached critical level of 95% utilization, generating core dump
Environment
  • VSP 8400
  • Release 8.0.8.0
Cause
Software defect VOSS-17686
Resolution
Resolved in 8.1.5 release
Additional notes

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