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Cisco Bug: CSCuk58481 - Crash in fib_path_list_ifnums_compare()

Last Modified

Jan 31, 2017

Products (1)

  • Cisco IOS

Known Affected Releases

12.2S

Description (partial)

Symptoms: Spurious memory accesses may occur on a router that has uRPF 
enabled. The log may contain messages similar to the following: 

%ALIGN-3-SPURIOUS: Spurious memory access made at 0x6062435C reading 0x34

The output of the <CmdBold>show alignment<noCmdBold> command may show 
information similar to the following:

No alignment data has been recorded.

Total Spurious Accesses 104, Recorded 2

Address  Count  Traceback
     34     52  0x6062435C 0x6063E4B8 0x6018913C 0x604AA7C0
                0x604AFBE8
      F     52  0x60624608 0x6063E4B8 0x6018913C 0x604AA7C0
                0x604AFBE8

Conditions: This symptom is observed on a Cisco router that runs Cisco IOS 
Release 12.2(25)S.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
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