Bug ID 498340: Page allocator unable to allocate large contiguous memory to DNS LRU caches

Last Modified: Apr 28, 2025

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

Known Affected Versions:
11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4, 11.6.0 HF5, 11.6.0 HF6, 11.6.0 HF7, 11.6.0 HF8, 11.6.1, 11.6.1 HF1, 11.6.1 HF2, 11.6.2, 11.6.2 HF1, 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

Opened: Dec 24, 2014

Severity: 3-Major

Symptoms

Page allocator cannot allocate large contiguous memory to DNS LRU caches.

Impact

Page allocator cannot allocate large contiguous memory to DNS LRU caches, which results in a performance impact on DNS LRU caches. The system posts a message similar to the following in ltm log: err tmm10[31888]: hash grow: malloc failed.

Conditions

This occurs when GTM is licensed and provisioned.

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips