Does this mean anything to someone?
I'm not sure I can reproduce it.
-----------[ cut here ]------------
WARNING: at drivers/net/wireless/ath/ath9k/recv.c:534
ath_stoprecv+0xcf/0xef [ath9k]()
Hardware name: To Be Filled By O.E.M.
Modules linked in: ath9k mac80211 ath9k_common nvidia(P) ath9k_hw ath
cfg80211 [last unloaded: ath9k]
Pid: 12, comm: kworker/u:1 Tainted: P W 2.6.38.5 #6
Call Trace:
[<ffffffff8102bb86>] ? warn_slowpath_common+0x78/0x8c
[<ffffffffa0aa109e>] ? ath_stoprecv+0xcf/0xef [ath9k]
[<ffffffffa0a9e761>] ? ath_set_channel+0xaf/0x20d [ath9k]
[<ffffffffa0a9ec98>] ? ath9k_config+0x3d9/0x4de [ath9k]
[<ffffffffa0bb06e6>] ? ieee80211_scan_work+0x2eb/0x47f [mac80211]
[<ffffffffa0bb03fb>] ? ieee80211_scan_work+0x0/0x47f [mac80211]
[<ffffffff8103d30a>] ? process_one_work+0x20e/0x34e
[<ffffffff8103d849>] ? worker_thread+0x1c9/0x340
[<ffffffff810218c6>] ? __wake_up_common+0x41/0x78
[<ffffffff8103d680>] ? worker_thread+0x0/0x340
[<ffffffff8103d680>] ? worker_thread+0x0/0x340
[<ffffffff810403cb>] ? kthread+0x7a/0x82
[<ffffffff81002b54>] ? kernel_thread_helper+0x4/0x10
[<ffffffff81040351>] ? kthread+0x0/0x82
[<ffffffff81002b50>] ? kernel_thread_helper+0x0/0x10
---[ end trace 8afb370f7261c121 ]---