Guest

Preview Tool

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

8.5(140.0)

Description (partial)

Symptom:
- 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

Conditions:
HA pair of 3504WLCs running 8.5.140.0.
Bug details contain sensitive information and therefore require a Cisco.com account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
Bug information is viewable for customers and partners who have a service contract. Registered users can view up to 200 bugs per month without a service contract.