This problem is caused by Cisco bug CSCsd95170. You should upgrade to the latest version of the PIX software, however this bug is cosmetic and will have no adverse effect on performance of the device.
But PIX got rebooted itself after this and we lost whole cnnectivity.After reboot it has stabilized to 2%.
Now how we can find why it has gone 99.5% suddenly.
Getting Started
Find answers to your questions by entering keywords or phrases in the Search bar above. New here? Use these resources to familiarize yourself with the community: