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Cisco Bug: CSCvu06860 - AP9120: Kernel panic: CPU: 2 PID: 18 Comm: ksoftirqd/2 Tainted: P B O 4.1.52 #4

Last Modified

Aug 21, 2020

Products (1)

  • Cisco Aironet 1850 Series Access Points

Known Affected Releases

ap-17.3.0.75

Description (partial)

PROBLEM DESCRIPTION
====================
Observed a AP9120 crash & reload from overnight

TEST CASE / STEPS TO REPRODUCE
============================
- Using this build: 
17.3.1: C9800-L-universalk9_wlc.BLD_V173_THROTTLE_LATEST_20200426_013010_2.SSA.bin

- Having Enterprise traffic running 24x7; on this AP there are only ~12 clients passing traffic 24x7

OBSERVED BEHAVIOR
===================
Found the AP9120 had been up for only ~3hrs with my morning checks and the eWLC had been up for 24hrs

EXPECTED BEHAVIOR
===================
Never crash & reload

HOW MANY TIMES SEEN/EASE OF REPRODUCIBLE
===========================================
Once with ~24hrs of eWLC up-time thus far

WORK AROUND
=============
N/A

Symptom:
AP can reboot due to memory corrpution

Conditions:
AP is forwarding client traffic
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