Bug ID 690091: mod_timer list corruption followed by BUG_ON() in timer-based function, cascade()

Last Modified: Apr 28, 2025

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

Known Affected Versions:
13.0.0

Opened: Oct 23, 2017

Severity: 2-Critical

Symptoms

The kernel detects an inconsistency in timer data structures and panics, with a silent reboot shortly afterward.

Impact

Silent reboot. On a VIPRION platform, loss of cluster mgmt IP address.

Conditions

No specific conditions are required to encounter this issue. This is a timing-related race condition.

Workaround

None.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips