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Cisco Bug: CSCut50289 - "Critical internal consistency failure" message during high call volume

Last Modified

Feb 26, 2018

Products (1)

  • Cisco ASR 1000 Series Aggregation Services Routers

Known Affected Releases


Description (partial)

Log below shown on console.
Critical internal consistency failure.
Information for Customer Support:
Filename    : ../VIEW_ROOT/cisco.comp/sbc/src/sbc-app/src/sip/siptprk.c
Line number : 902
Failure text: rsp_cb->ips->ips_hdr.ips_type == IPS_SIP_RESPONSE

reliable response is sent, but two PRACK is received, and the second PRACK is received without the first one event being acknowledged.
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Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
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