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Cisco Bug: CSCtd49495 - AP crashes in heap check process due to red zone overrun

Last Modified

Jun 30, 2016

Products (1)

  • Cisco 4400 Series Wireless LAN Controllers

Known Affected Releases

6.0(200.15) 7.0(94.25) 7.0(94.29)

Description (partial)


A lightweight access point may unexpectedly reload.  After the reload,
the crashinfo will show messages similar to the following:

validblock_diagnose, code = 1
[ ... ]
========= Dump bp = <hex value> ======================
[ ... ]
%Software-forced reload

*Jan  4 21:52:59.343: %SYS-3-CPUYLD: Task ran for (5784)msecs, more than
(2000)msecs (35/20),process = Check heaps

The dumped block will contain the following pattern:

AAAA0300 40960000 <2 octets>328B


Access point is joined to a WLC.
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  • Full Description (including symptoms, conditions and workarounds)
  • Status
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