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Cisco Bug: CSCvr91593 - WLC in HA silently restarts with just a Traceback and losing configuration

Last Modified

Dec 18, 2019

Products (1)

  • Cisco 5500 Series Wireless Controllers

Known Affected Releases


Description (partial)

- 3504WLC in HA (primary) experienced an unknown hard resets after around 220 days of uptime with last reset reason as:
"Soft reset due to RST_SOFT_RST write"

- Triggering HA failover, and losing the configuration (prompting initial wizard setup after boot up), but without generating any crash info, only Tracebacks like the following (found in "show reboot history"):

Reset reason : Unknown reset reason
Reset time   : Mon Oct 28 22:56:46 2019
Trace back   : 0x10359940 0x11452060 0x114532b0 0x114534b4 0x1262f664 0x11476768 0x11468f98 0xfff7647888 0xfff7559cfc

HA pair of 3504WLCs running
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