Comment 2 for bug 190475

I too have the same problem!!

OS: Ubuntu hardy 2.6.24-8 (updated Feb, 16)

dmesg output (repeated _many_ times)
[ 4120.788928] wmaster0: CCMP decrypt failed for RX frame from 00:14:c1:xx:xx:xx
[ 4120.792474] wmaster0: CCMP decrypt failed for RX frame from 00:14:c1:xx:xx:xx
....

Driver: iwl4965
filename:
/lib/modules/2.6.24-8-generic/ubuntu/wireless/iwlwifi/iwlwifi/compatible/iwl4965.ko
version: 1.2.0
description: Intel(R) Wireless WiFi Link 4965AGN driver for Linux
srcversion: BFF70BD669F5E9D76F2C9C1

MAC80211:
filename: /lib/modules/2.6.24-8-generic/kernel/net/mac80211/mac80211.ko
description: IEEE 802.11 subsystem
srcversion: C79DCFE79459B0C83D7D85D
depends: cfg80211
vermagic: 2.6.24-8-generic SMP mod_unload 586

Despite this error, however, I can browse internet as usual.