These messages pop up in dmesg every few seconds...so often that I cannot see the beginning of the log from when the system booted! The entries look like:

printk: 1462 messages suppressed.
TKIP: ICV error detected: STA=00:1b:2f:0c:f5:92
printk: 1310 messages suppressed.
TKIP: ICV error detected: STA=00:1b:2f:0c:f5:92
printk: 1279 messages suppressed.
TKIP: ICV error detected: STA=00:1b:2f:0c:f5:92
printk: 1208 messages suppressed.
TKIP: ICV error detected: STA=00:1b:2f:0c:f5:92
printk: 1271 messages suppressed.
TKIP: ICV error detected: STA=00:1b:2f:0c:f5:92

or

TKIP: received packet without ExtIV flag from 00:18:01:e2:d1:69
printk: 13 messages suppressed.
TKIP: received packet without ExtIV flag from 00:18:01:e2:d1:69
printk: 7 messages suppressed.
TKIP: received packet without ExtIV flag from 00:18:01:e2:d1:69
printk: 12 messages suppressed.
TKIP: received packet without ExtIV flag from 00:18:01:e2:d1:69
printk: 8 messages suppressed.
TKIP: received packet without ExtIV flag from 00:18:01:e2:d1:69

I have a custom kernel, which is (I would assume) most likely causing at least part of the problem, but then again, I dunno. Help please?