Last Modified: Apr 28, 2025
Affected Product(s):
BIG-IP LTM
Known Affected Versions:
11.5.0, 11.5.1, 11.5.1 HF1, 11.5.1 HF2, 11.5.1 HF3, 11.5.1 HF4, 11.5.1 HF5, 11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4
Fixed In:
12.0.0, 11.6.0 HF5, 11.5.1 HF6
Opened: Jun 18, 2014 Severity: 3-Major Related Article:
K15959
The mcpd memory steadily increases until it runs out. Running "strings" on the resulting core file reveals many instances of a monitor error message.
Slow system performance, unexpected crash and failover.
Must have a monitor configured that generates an error message.
Disable the monitor.
Previously, mcpd might leak memory when returning an error message that contained the reason for a monitor failure. The message now reports the reason without leaking memory.