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Cisco Bug: CSCvi05078 - Tomahawk line card Memory Collision

Last Modified

Sep 12, 2019

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases

6.1.4.FWDG

Description (partial)

Symptom:
Tomahawk line card unexpected reload happens along with following log messages:

[snip]
LC/0/0/CPU0:Jan 25 16:11:31.422 : prm_server_to[303]: %PLATFORM-NP-3-ECC : prm_ser_check: Double-bit ECC error detected: SN FOC2172NB8L, NP 0, Rev 3, block 0x2a (ODSTAT1), offset 65, memid 2099, name DRAM_EMEM_0_P2, addr 0x0fdbd0ad, bit 36, bEndToEnd 0, uiHWMemId 1059, device ID 21, bank 1, row 81066, column 22, ext info 0xffffffff 0xffffffff 0xffffffff 0xffffffff, single count 0, double count 0, flags 0x0, action 2 (Reset)
LC/0/0/CPU0:Jan 25 16:11:31.424 : pfm_node_lc[292]: %PLATFORM-NP-0-NON_RECOVERABLE_SOFT_ERROR : Set|prm_server_to[168016]|0x1008000| A non-recoverable soft error has been detected on NP0.  The linecard will be rebooted.
LC/0/0/CPU0:Jan 25 16:11:31.425 : prm_server_to[303]: %PLATFORM-NP-3-COLLISION : NP error, memory collision detected on NP0, ColMemId: 2, Client: 22, bValid: 1, uiBaseAddress: 0x1d02c00, uiRange: 0x12400, uiLogicalAddress: 0xfdbd0ad, uiPhysicalAddress: 0x27954b1, uiClientSubType: 9, uiSize: 1, eCmdType: 0, bCollision: 1, bSotEotMismatch: 0, bIncorrectSize: 0, uiClientData: 0x0, uiRequestType: 0
LC/0/0/CPU0:Jan 25 16:11:31.425 : pfm_node_lc[292]: %PLATFORM-PFM-0-CARD_RESET_REQ : pfm_dev_sm_perform_recovery_action, Card reset requested by: Process ID: 168016 (prm_server_to), Fault Sev: 0, Target node: 0/0/CPU0, CompId: 0x1f, Device Handle: 0x1008000, CondID: 1034, Fault Reason:  A non-recoverable soft error has been detected on NP0.  The linecard will be rebooted.
LC/0/0/CPU0:Jan 25 16:11:31.426 : prm_server_to[303]: %PLATFORM-NP-3-COLLISION : NP error, memory collision detected on NP0, ColMemId: 2, Client: 44, bValid: 1, uiBaseAddress: 0x1d02c00, uiRange: 0x12400, uiLogicalAddress: 0xfdbd0ad, uiPhysicalAddress: 0x27954b1, uiClientSubType: 9, uiSize: 1, eCmdType: 1, bCollision: 1, bSotEotMismatch: 0, bIncorrectSize: 0, uiClientData: 0x0, uiRequestType: 0
LC/0/0/CPU0:Jan 25 16:11:31.425 : syslog_dev[92]: pfm_node_lc[292] PID-168008: Request Graceful Reboot via Sysmgr: Reason: pfm_dev_sm_perform_recovery_action, Card reset requested by: Process ID: 168016 (prm_server_to), Fault Sev: 0, Target node: 0/0/CPU0, CompId: 0x1f, Device Handle: 0x1008000, CondID: 1034, Fault Reason:  A non-recoverable soft error has been detected on NP0.  The linecard will be rebooted.
LC/0/0/CPU0:Jan 25 16:11:31.425 : syslog_dev[92]: pfm_node_lc[292] PID-168008:
LC/0/0/CPU0:Jan 25 16:11:31.427 : prm_server_to[303]: %PLATFORM-NP-3-COLLISION : NP error, memory collision detected on NP0, ColMemId: 3, Client: 25, bValid: 1, uiBaseAddress: 0x1d02c00, uiRange: 0x12400, uiLogicalAddress: 0x3f7842b, uiPhysicalAddress: 0x1fa7c2c, uiClientSubType: 9, uiSize: 1, eCmdType: 0, bCollision: 1, bSotEotMismatch: 0, bIncorrectSize: 0, uiClientData: 0x0, uiRequestType: 0
LC/0/0/CPU0:Jan 25 16:11:31.427 : prm_server_to[303]: %PLATFORM-NP-3-COLLISION : NP error, memory collision detected on NP0, ColMemId: 3, Client: 45, bValid: 1, uiBaseAddress: 0x1d02c00, uiRange: 0x12400, uiLogicalAddress: 0x3333333, uiPhysicalAddress: 0x1f24e22, uiClientSubType: 9, uiSize: 1, eCmdType: 1, bCollision: 1, bSotEotMismatch: 0, bIncorrectSize: 0, uiClientData: 0x0, uiRequestType: 0
LC/0/0/CPU0:Jan 25 16:11:31.444 : syslog_dev[92]: pfm_node_lc[292] PID-168008: reboot internal : cause code 671088667 cause pfm_dev_sm_perform_recovery_action, Card reset requested by: Process ID: 168016 (prm_server_to), Fault Sev: 0, Target node: 0/0/CPU0, CompId: 0x1f, Device Handle: 0x1008000, CondID: 1034, Fault Reason:  A non-recoverable soft error has been detected on NP0.  The linecard will be rebooted.
[snip]

Conditions:
platform: ASR 9000
line card: Tomahawk (for example A99-8X100GE-CM)
software: IOS-XR 6.1.4
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