Same here:
$ lspci 0c:00.0 Network controller: Intel Corporation PRO/Wireless 3945ABG Network Connection (rev 02)
$ lsmod iwl3945 iwlwifi_mac80211
$ dmesg [ 6099.549190] wmaster0: TKIP decrypt failed for RX frame from 00:40:10:10:00:02 (res=-3) [ 6099.554293] wmaster0: TKIP decrypt failed for RX frame from 00:40:10:10:00:02 (res=-3) [ 6099.560401] wmaster0: TKIP decrypt failed for RX frame from 00:40:10:10:00:02 (res=-3) [ 6099.566526] wmaster0: TKIP decrypt failed for RX frame from 00:40:10:10:00:02 (res=-3) [ 6099.571313] wmaster0: TKIP decrypt failed for RX frame from 00:40:10:10:00:02 (res=-3) [ 6099.571404] wmaster0: TKIP decrypt failed for RX frame from 00:40:10:10:00:02 (res=-3) [ 6099.571931] wmaster0: TKIP decrypt failed for RX frame from 00:40:10:10:00:02 (res=-3) [ 6099.577989] wmaster0: TKIP decrypt failed for RX frame from 00:40:10:10:00:02 (res=-3) ...
Same here:
$ lspci
0c:00.0 Network controller: Intel Corporation PRO/Wireless 3945ABG Network Connection (rev 02)
$ lsmod
iwl3945
iwlwifi_mac80211
$ dmesg
[ 6099.549190] wmaster0: TKIP decrypt failed for RX frame from 00:40:10:10:00:02 (res=-3)
[ 6099.554293] wmaster0: TKIP decrypt failed for RX frame from 00:40:10:10:00:02 (res=-3)
[ 6099.560401] wmaster0: TKIP decrypt failed for RX frame from 00:40:10:10:00:02 (res=-3)
[ 6099.566526] wmaster0: TKIP decrypt failed for RX frame from 00:40:10:10:00:02 (res=-3)
[ 6099.571313] wmaster0: TKIP decrypt failed for RX frame from 00:40:10:10:00:02 (res=-3)
[ 6099.571404] wmaster0: TKIP decrypt failed for RX frame from 00:40:10:10:00:02 (res=-3)
[ 6099.571931] wmaster0: TKIP decrypt failed for RX frame from 00:40:10:10:00:02 (res=-3)
[ 6099.577989] wmaster0: TKIP decrypt failed for RX frame from 00:40:10:10:00:02 (res=-3)
...