Bug ID 461818: Occasional extreme large value reported for tmm-info five-min-avg-usage-ratio

Last Modified: Sep 13, 2023

Affected Product(s):
BIG-IP LTM(all modules)

Known Affected Versions:
11.5.1, 11.5.2, 11.5.3, 11.5.4, 11.5.5, 11.5.6, 11.5.7, 11.5.8, 11.5.9, 11.5.10, 11.6.0, 11.6.1, 11.6.2, 11.6.3, 11.6.3.1, 11.6.3.2, 11.6.3.3, 11.6.3.4, 11.6.4, 11.6.5, 11.6.5.1, 11.6.5.2, 11.6.5.3, 12.0.0, 12.0.0 HF1, 12.1.0 HF1, 12.0.0 HF2, 12.1.0 HF2, 12.0.0 HF3, 12.0.0 HF4, 12.1.1 HF1, 12.1.1 HF2, 12.1.2 HF1, 12.1.2 HF2

Fixed In:
12.1.0

Opened: May 12, 2014

Severity: 3-Major

Symptoms

The command tmsh -m show sys tmm-info field-fmt occasionally shows an invalid value such as: five-min-avg-usage-ratio 184467440737093465

Impact

Faulty displayed value with zero functional impact.

Conditions

This occurs under normal operation.

Workaround

None

Fix Information

The stat was periodically invalid due to an overflow in the sleep calculation involving busy and total cycles and has been corrected.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips