Bug ID 506304: UDP connections may stall if initialization fails

Last Modified: Jul 13, 2024

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

Known Affected Versions:
10.2.4, 11.0.0, 11.1.0, 11.2.0, 11.2.1, 11.3.0, 11.4.0, 11.4.1, 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, 11.5.1 HF6, 11.5.1 HF7, 11.5.1 HF8, 11.5.1 HF9, 11.5.1 HF10, 11.5.1 HF11, 11.5.2, 11.5.2 HF1, 11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4, 11.6.0 HF5

Fixed In:
12.0.0, 11.6.0 HF6, 11.5.3

Opened: Feb 12, 2015

Severity: 2-Critical

Related Article: K16612

Symptoms

UDP connections that never expire. tmm logs containing 'hud queue full' errors.

Impact

Stalled connections. Increased memory usage.

Conditions

UDP connections fail to initialize if the tmm's hud message queue is full. If these connections are flagged to not expire then they will linger forever.

Workaround

None

Fix Information

UDP connections no longer stall if initialization fails.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips