Bug ID 442532: Log shows 'socket error: resource temporarily unavailable'

Last Modified: Oct 07, 2023

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

Known Affected Versions:
11.2.1, 11.4.0, 11.4.1, 11.5.0, 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: Jan 09, 2014

Severity: 3-Major

Symptoms

Response cannot be sent to remote clients. This happens rarely with extremely large access policy configurations. While writing response to tmm, APD gets /socket error: Resource temporarily unavailable'.

Impact

The system still works. Reconnect restores working function.

Conditions

Conditions leading to this issue are not yet known. The issue cannot be reproduced.

Workaround

None.

Fix Information

System now outputs all file descriptor details, in case of a write failure during access policy response sending to tmm.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips