Comment 32 for bug 289356

I can confirm this on Lucid. Here is a extract of /var/log/kern.log

May 24 09:38:59 simon kernel: [24955.346856] ath9k: Two wiphys trying to scan at the same time
May 24 09:38:59 simon kernel: [24955.346904] wlan0: deauthenticating from 00:18:39:c1:67:60 by local choice (reason=3)
May 24 09:38:59 simon kernel: [24955.533873] wlan0: direct probe to AP 00:18:39:c1:67:60 (try 1)
May 24 09:38:59 simon kernel: [24955.536753] wlan0: direct probe responded
May 24 09:38:59 simon kernel: [24955.536761] wlan0: authenticate with AP 00:18:39:c1:67:60 (try 1)
May 24 09:38:59 simon kernel: [24955.541878] wlan0: authenticated
May 24 09:38:59 simon kernel: [24955.541918] wlan0: associate with AP 00:18:39:c1:67:60 (try 1)
May 24 09:38:59 simon kernel: [24955.545020] wlan0: RX AssocResp from 00:18:39:c1:67:60 (capab=0x411 status=0 aid=1)
May 24 09:38:59 simon kernel: [24955.545026] wlan0: associated
May 24 09:38:59 simon kernel: [24955.546084] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
May 24 09:39:10 simon kernel: [24966.000101] wlan0: no IPv6 routers present
May 24 09:51:59 simon kernel: [25734.526053] ath9k: timeout (100000 us) on reg 0x9860: 0x00049d19 & 0x00000001 != 0x00000000
May 24 09:51:59 simon kernel: [25734.526065] ath9k: Unable to reset channel (5280 Mhz) reset status -5
May 24 09:51:59 simon kernel: [25734.526077] ath9k: Unable to set channel
May 24 09:51:59 simon kernel: [25734.650785] ath9k: timeout (100000 us) on reg 0x9860: 0x00049d19 & 0x00000001 != 0x00000000
May 24 09:51:59 simon kernel: [25734.650789] ath9k: Unable to reset channel (2422 Mhz) reset status -5
May 24 09:51:59 simon kernel: [25734.650829] ath9k: Unable to set channel
May 24 09:52:00 simon kernel: [25735.083274] ath9k: timeout (100000 us) on reg 0x9860: 0x00049d19 & 0x00000001 != 0x00000000
May 24 09:52:00 simon kernel: [25735.083285] ath9k: Unable to reset channel (5300 Mhz) reset status -5
May 24 09:52:00 simon kernel: [25735.083301] ath9k: Unable to set channel
May 24 09:52:00 simon kernel: [25735.207968] ath9k: timeout (100000 us) on reg 0x9860: 0x00049d19 & 0x00000001 != 0x00000000
May 24 09:52:00 simon kernel: [25735.207973] ath9k: Unable to reset channel (2422 Mhz) reset status -5
May 24 09:52:00 simon kernel: [25735.207978] ath9k: Unable to set channel
May 24 09:52:00 simon kernel: [25735.630661] ath9k: timeout (100000 us) on reg 0x9860: 0x00049d19 & 0x00000001 != 0x00000000
May 24 09:52:00 simon kernel: [25735.630673] ath9k: Unable to reset channel (5320 Mhz) reset status -5
May 24 09:52:00 simon kernel: [25735.630727] ath9k: Unable to set channel
May 24 09:52:00 simon kernel: [25735.755290] ath9k: timeout (100000 us) on reg 0x9860: 0x00049d19 & 0x00000001 != 0x00000000
May 24 09:52:00 simon kernel: [25735.755294] ath9k: Unable to reset channel (2422 Mhz) reset status -5
May 24 09:52:00 simon kernel: [25735.755299] ath9k: Unable to set channel
May 24 09:52:02 simon kernel: [25736.930112] ath9k: timeout (100000 us) on reg 0x9860: 0x00049d19 & 0x00000001 != 0x00000000
May 24 09:52:02 simon kernel: [25736.930124] ath9k: Unable to reset hardware; reset status -5
May 24 09:52:02 simon kernel: [25737.238410] ath9k: Failed to stop TX DMA in 100 msec after killing last frame
May 24 09:52:02 simon kernel: [25737.238436] ath9k: Unable to stop TxDMA. Reset HAL!

$ uname -a
Linux simon 2.6.32-22-generic #33-Ubuntu SMP Wed Apr 28 13:28:05 UTC 2010 x86_64 GNU/Linux

$ lsb_release -rd
Description: Ubuntu 10.04 LTS
Release: 10.04