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Cisco Bug: CSCtf08886 - CUP: IDS core - mtshpool.c Line: 4108: Mem Block Header Corruption

Last Modified

Feb 27, 2018

Products (1)

  • Cisco Unified Communications Manager IM & Presence Service

Known Affected Releases


Description (partial)

IDS cores and creates an assertion failure (af.xxxxx) file in /var/log/active/cm/log/informix with the following signature:

10:38:45  IBM Informix Dynamic Server Version 11.50.UC5X8   Software Serial Number AAA#B000000

10:38:45  Assert Failed: Memory block header corruption detected in mt_shm_free 1
10:38:45   Who: Session(11143, dbuser@cup-sjcean-011, -1, 0x5192e2a8)
		Thread(11193, sqlexec, 4c777de0, 1)
		File: mtshpool.c Line: 4108
10:38:45   Results: Unable to repair pool
10:38:45   Action: Please notify IBM Informix Technical Support.
10:38:45   See Also: /var/log/active/cm/log/informix/af.2fa1e635

DB restarts and system recovers on its own with no intervention.

Occurred during a period of high workload.
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