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Cisco Bug: CSCut25356 - June 30 2015 leap second may cause server to hang or halt

Last Modified

Feb 04, 2017

Products (1)

  • Cisco Unified Communications Manager (CallManager)

Known Affected Releases

7.0 7.1 8.0(3)

Description (partial)

Symptom:
There are periodic leap second events which can add or delete a second to global time. 

When the leap second update occurs it is possible for the kernel to hang or halt.

Conditions:
The leap second update will be propagated via Network Time Protocol (NTP) or via manually setting the clock.
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