Bug ID 578036: incorrect crontab can cause large number of email alerts

Last Modified: Sep 13, 2023

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

Known Affected Versions:
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, 12.1.0

Fixed In:

Opened: Mar 04, 2016

Severity: 3-Major


There is an incorrect crontab entry in /etc/cron.usbflush for /sbin/lsusb


usbflush does not run, alert email is generated once per minute.


This occurs for the usbflush entry.


change /etc/cron.usbflush to use /usr/sbin/lsusb

Fix Information

Fix /etc/cron.usbflush to use /usr/sbin/lsusb

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips