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Cisco Bug: CSCul67310 - SOR_CSR32_SOR_ERR_LEAF_INT__INT_SOR_OPF_GRANT_PTCL_UVFcauses ucode crash

Last Modified

Mar 31, 2020

Products (1)

  • Cisco ASR 1000 Series Aggregation Services Routers

Known Affected Releases

15.2(4)S 15.3(3)S1

Description (partial)

Symptom:
ASR1K microde crash with either of the following errors
  SOR_CSR32_SOR_ERR_LEAF_INT__INT_SOR_OPF_GRANT_PTCL_UVF
  OPF_CSR32_OPF_LOGIC_ERR_LEAF_INT__INT_START_OF_BURST_MARKER_ERR

Conditions:
This issue ONLY affects on ASR1002x and ASR1K RP2/ESP100 based platforms
running 15.2(4)S, 15.3(1)S, 15.3(2)S, 15.3(3)S, and 15.4(1)S based images.

This issue can occur on platforms with scaled sub-interface or broadband
session configurations when the number of sub-interfaces or sessions on a
interface is reduced from > 4000 to less than 4000 and moderate to heavy
traffic flow is occurring at the time that the sub-interface or session
count is reduced.  If the the ASR1K is operating below this threshold or
above this threshold this issue is not seen.
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Bug Details Include

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  • Status
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