Johannes Berg <johannes@xxxxxxxxxxxxxxxx> writes: > On Sat, 2013-01-26 at 07:51 +0200, Kalle Valo wrote: >> Hi, >> >> I noticed this warning in the log just by accident, I haven't had any >> problems. I'm running latest wireless-testing (commit 9d9540984a) on >> thinkpad x230 with Intel 6205. >> >> [ 10.262245] wlan0: authenticate with 00:26:f2:f7:cf:b2 >> [ 10.272891] wlan0: send auth to 00:26:f2:f7:cf:b2 (try 1/3) >> [ 10.275093] wlan0: authenticated >> [ 10.278751] wlan0: associate with 00:26:f2:f7:cf:b2 (try 1/3) >> [ 10.282307] wlan0: RX AssocResp from 00:26:f2:f7:cf:b2 (capab=0x411 status=0 aid=3) >> [ 10.303014] wlan0: associated >> [ 10.303062] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready >> [ 836.534120] wlan0: deauthenticating from 00:26:f2:f7:cf:b2 by local choice (reason=3) >> [ 836.570864] ------------[ cut here ]------------ >> [ 836.570894] WARNING: at net/mac80211/agg-tx.c:685 ieee80211_start_tx_ba_cb+0x1b5/0x240 [mac80211]() > > Smells like a race to me. We probably requested aggregation and then > deauthenticated, thus killing the session data. Then the driver probably > had a bug and said it started the session or something ... Just did a grep and noticed even more warnings: x230:~$ zgrep --no-filename WARNING /var/log/syslog* Jan 26 19:54:36 x230 kernel: [18654.186629] WARNING: at net/mac80211/util.c:599 ieee80211_can_queue_work.isra.10+0x32/0x40 [mac80211]() Jan 26 20:59:57 x230 kernel: [20275.013461] WARNING: at net/mac80211/util.c:599 ieee80211_can_queue_work.isra.10+0x32/0x40 [mac80211]() Jan 25 20:22:01 x230 kernel: [ 836.570894] WARNING: at net/mac80211/agg-tx.c:685 ieee80211_start_tx_ba_cb+0x1b5/0x240 [mac80211]() Jan 22 21:39:44 x230 kernel: [29075.830248] WARNING: at net/mac80211/util.c:599 ieee80211_can_queue_work.isra.10+0x32/0x40 [mac80211]() Jan 22 22:05:49 x230 kernel: [29135.651334] WARNING: at net/mac80211/util.c:599 ieee80211_can_queue_work.isra.10+0x32/0x40 [mac80211]() Jan 22 23:01:11 x230 kernel: [31878.606310] WARNING: at net/mac80211/util.c:599 ieee80211_can_queue_work.isra.10+0x32/0x40 [mac80211]() Jan 23 18:36:33 x230 kernel: [ 9113.473283] WARNING: at net/mac80211/util.c:599 ieee80211_can_queue_work.isra.10+0x32/0x40 [mac80211]() Jan 18 09:11:18 x230 kernel: [65051.228555] WARNING: at net/mac80211/util.c:599 ieee80211_can_queue_work.isra.10+0x32/0x40 [mac80211]() Jan 18 21:43:10 x230 kernel: [81530.791082] WARNING: at net/mac80211/util.c:599 ieee80211_can_queue_work.isra.10+0x32/0x40 [mac80211]() Jan 18 22:15:40 x230 kernel: [82837.817517] WARNING: at net/mac80211/util.c:599 ieee80211_can_queue_work.isra.10+0x32/0x40 [mac80211]() Jan 20 10:31:23 x230 kernel: [88609.307199] WARNING: at net/mac80211/util.c:599 ieee80211_can_queue_work.isra.10+0x32/0x40 [mac80211]() Jan 20 22:51:56 x230 kernel: [98535.334962] WARNING: at drivers/net/wireless/iwlwifi/dvm/tx.c:434 iwlagn_tx_skb+0x7c1/0x840 [iwldvm]() Jan 21 07:18:08 x230 kernel: [99957.410266] WARNING: at net/mac80211/util.c:599 ieee80211_can_queue_work.isra.10+0x32/0x40 [mac80211]() Jan 22 09:17:12 x230 kernel: [120963.155777] WARNING: at net/mac80211/util.c:599 ieee80211_can_queue_work.isra.10+0x32/0x40 [mac80211]() Jan 15 08:04:25 x230 kernel: [40630.492569] WARNING: at net/mac80211/util.c:599 ieee80211_can_queue_work.isra.10+0x32/0x40 [mac80211]() Jan 15 16:24:50 x230 kernel: [56111.825186] WARNING: at drivers/net/wireless/iwlwifi/dvm/tx.c:434 iwlagn_tx_skb+0x7c1/0x840 [iwldvm]() Jan 16 07:20:36 x230 kernel: [13251.280305] WARNING: at net/mac80211/util.c:599 ieee80211_can_queue_work.isra.10+0x32/0x40 [mac80211]() These are with various versions of wireless-testing, I update pretty frequently. -- Kalle Valo -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
