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Cisco Bug: CSCun20431 - Random MCWEDGE errors observed in 4ch Satori RP

Last Modified

Oct 30, 2020

Products (18)

  • Cisco IOS XR Software
  • Cisco CRS-X 8-Slot Single-Shelf System
  • Cisco CRS-1 Line Card Chassis (Dual)
  • Cisco CRS-3 Multishelf System
  • Cisco CRS-X Multishelf System
  • Cisco CRS-1 16-Slot Line Card Chassis
  • Cisco CRS-1 Line Card Chassis (Multi)
  • Cisco IOS XR Software
  • Cisco CRS-1 4-Slot Single-Shelf System
  • Cisco CRS-1 Fabric Card Chassis
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Known Affected Releases


Description (partial)

The fabricq ASIC in Black Mamba ASIC based PRP cards gets reset at times for MCWEDGE error condition.

     fabricq_mgr[233]: %FABRIC-FABRICQ-4-MI_WEDGE : Major error in Fabricq ASIC 0. MI Multicast Wedged 
     fabricq_mgr[233]: %FABRIC-FABRICQ-3-RESET : Reseting Fabricq ASIC Device 0. Reason: MCWEDGE 

Also these RP boards log following IOS message randomly in syslog.

     fabricq_mgr[228]: %FABRIC-FABRICQ-3-PCL_PKT : Minor error in PCL of fabricq asic 0. PCL UC Partial Packet: CAOPCI: Unknown context

Issue is seen only in the Black Mamba ASIC based PRP boards.
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