Just hit this
/*
* Lets not bother rate control if we're associated and cannot
* talk to the sta. This should not happen.
*/
if (WARN(test_bit(SCAN_SW_SCANNING, &tx->local->scanning) &&
(sta_flags & WLAN_STA_ASSOC) &&
!rate_usable_index_exists(sband, &tx->sta->sta),
"%s: Dropped data frame as no usable bitrate found while "
"scanning and associated. Target station: "
"%pM on %d GHz band\n",
tx->sdata->name, hdr->addr1,
tx->channel->band ? 5 : 2))
return TX_DROP;
Reproduced when doing a loop on a bg scan (while associated).
Sep 1 16:42:26 tux kernel: [ 722.406139] phy0: device no longer idle - working
Sep 1 16:42:26 tux kernel: [ 722.444648] wlan39: authenticate with
00:24:6c:04:b8:59 (try 1)
Sep 1 16:42:26 tux kernel: [ 722.444713] wlan39: deauthenticating
from 00:24:6c:04:b8:59 by local choice (reason=3)
Sep 1 16:42:26 tux kernel: [ 722.444736] phy0: device now idle
Sep 1 16:42:26 tux kernel: [ 722.476768] phy0: device no longer idle - working
Sep 1 16:42:27 tux kernel: [ 722.657764] wlan39: authenticate with
00:24:6c:04:b8:51 (try 1)
Sep 1 16:42:27 tux kernel: [ 722.664863] wlan39: authenticated
Sep 1 16:42:27 tux kernel: [ 722.665011] wlan39: associate with
00:24:6c:04:b8:51 (try 1)
Sep 1 16:42:27 tux kernel: [ 722.669223] wlan39: RX AssocResp from
00:24:6c:04:b8:51 (capab=0x431 status=0 aid=2)
Sep 1 16:42:27 tux kernel: [ 722.669229] wlan39: associated
Sep 1 16:42:27 tux kernel: [ 722.669252] phy0: Allocated STA 00:24:6c:04:b8:51
Sep 1 16:42:27 tux kernel: [ 722.669342] phy0: Inserted STA 00:24:6c:04:b8:51
Sep 1 16:42:27 tux kernel: [ 722.814609] phy0: WMM queue=2 aci=0
acm=0 aifs=3 cWmin=15 cWmax=1023 txop=0 uapsd=0
Sep 1 16:42:27 tux kernel: [ 722.814629] phy0: WMM queue=3 aci=1
acm=0 aifs=7 cWmin=15 cWmax=1023 txop=0 uapsd=0
Sep 1 16:42:27 tux kernel: [ 722.814641] phy0: WMM queue=1 aci=2
acm=0 aifs=2 cWmin=7 cWmax=15 txop=94 uapsd=0
Sep 1 16:42:27 tux kernel: [ 722.814652] phy0: WMM queue=0 aci=3
acm=0 aifs=2 cWmin=3 cWmax=7 txop=47 uapsd=0
Sep 1 16:42:27 tux kernel: [ 722.875453] Rx A-MPDU request on tid 0 result 0
Sep 1 16:42:27 tux kernel: [ 723.471429] Open BA session requested
for 00:24:6c:04:b8:51 tid 0
Sep 1 16:42:27 tux kernel: [ 723.471497] activated addBA response
timer on tid 0
Sep 1 16:42:27 tux kernel: [ 723.473561] switched off addBA timer for tid 0
Sep 1 16:42:27 tux kernel: [ 723.473563] Aggregation is on for tid 0
Sep 1 16:42:38 tux kernel: [ 733.538967] phy0: release an RX reorder
frame due to timeout on earlier frames
Sep 1 16:42:38 tux kernel: [ 733.640014] phy0: release an RX reorder
frame due to timeout on earlier frames
Sep 1 16:42:38 tux kernel: [ 733.750159] WARNING: at
net/mac80211/tx.c:653 ieee80211_tx_h_rate_ctrl+0x460/0x4e0
[mac80211]()
Sep 1 16:42:38 tux kernel: [ 733.750166] Hardware name: 6460DWU
Sep 1 16:42:38 tux kernel: [ 733.750172] wlan39: Dropped data frame
as no usable bitrate found while scanning and associated. Target
station: 00:24:6c:04:b8:51 on 5 GHz band
Sep 1 16:42:38 tux kernel: [ 733.750178] Modules linked in: rfcomm
sco snd_hda_codec_analog binfmt_misc bridge stp bnep ppdev l2cap
joydev snd_hda_intel nouveau snd_hda_codec ath9k mac80211 snd_hwdep
snd_pcm thinkpad_acpi snd_seq_midi ath9k_common snd_rawmidi ath9k_hw
snd_seq_midi_event snd_seq ttm pcmcia drm_kms_helper snd_timer
snd_seq_device ath drm tpm_tis snd btusb nvram tpm cfg80211 bluetooth
tpm_bios yenta_socket i2c_algo_bit pcmcia_rsrc video psmouse
pcmcia_core serio_raw output lp soundcore snd_page_alloc intel_agp
parport ohci1394 ahci e1000e ieee1394 libahci
Sep 1 16:42:38 tux kernel: [ 733.750282] Pid: 2830, comm:
kworker/u:0 Not tainted 2.6.36-rc3-wl+ #240
Sep 1 16:42:38 tux kernel: [ 733.750288] Call Trace:
Sep 1 16:42:38 tux kernel: [ 733.750305] [<ffffffff8105fdbf>]
warn_slowpath_common+0x7f/0xc0
Sep 1 16:42:38 tux kernel: [ 733.750313] [<ffffffff8105feb6>]
warn_slowpath_fmt+0x46/0x50
Sep 1 16:42:38 tux kernel: [ 733.750324] [<ffffffff81036c99>] ?
default_spin_lock_flags+0x9/0x10
Sep 1 16:42:38 tux kernel: [ 733.750355] [<ffffffffa0349870>]
ieee80211_tx_h_rate_ctrl+0x460/0x4e0 [mac80211]
Sep 1 16:42:38 tux kernel: [ 733.750387] [<ffffffffa0349c90>]
invoke_tx_handlers+0x100/0x140 [mac80211]
Sep 1 16:42:38 tux kernel: [ 733.750418] [<ffffffffa0349d55>]
ieee80211_tx+0x85/0x240 [mac80211]
Sep 1 16:42:38 tux kernel: [ 733.750428] [<ffffffff8147c970>] ?
skb_release_data+0xd0/0xe0
Sep 1 16:42:38 tux kernel: [ 733.750436] [<ffffffff8147e7fd>] ?
pskb_expand_head+0x10d/0x1a0
Sep 1 16:42:38 tux kernel: [ 733.750468] [<ffffffffa0349fc2>]
ieee80211_xmit+0xb2/0x1c0 [mac80211]
Sep 1 16:42:38 tux kernel: [ 733.750499] [<ffffffffa0338050>] ?
ieee80211_dynamic_ps_enable_work+0x0/0xb0 [mac80211]
Sep 1 16:42:38 tux kernel: [ 733.750530] [<ffffffffa034a124>]
ieee80211_tx_skb+0x54/0x70 [mac80211]
Sep 1 16:42:38 tux kernel: [ 733.750560] [<ffffffffa033802b>]
ieee80211_send_nullfunc+0x4b/0x70 [mac80211]
Sep 1 16:42:38 tux kernel: [ 733.750589] [<ffffffffa03380fd>]
ieee80211_dynamic_ps_enable_work+0xad/0xb0 [mac80211]
Sep 1 16:42:38 tux kernel: [ 733.750599] [<ffffffff81079fa3>]
process_one_work+0x123/0x440
Sep 1 16:42:38 tux kernel: [ 733.750608] [<ffffffff8107c4d0>]
worker_thread+0x170/0x400
Sep 1 16:42:38 tux kernel: [ 733.750617] [<ffffffff8107c360>] ?
worker_thread+0x0/0x400
Sep 1 16:42:38 tux kernel: [ 733.750625] [<ffffffff810808f6>]
kthread+0x96/0xa0
Sep 1 16:42:38 tux kernel: [ 733.750634] [<ffffffff8100be64>]
kernel_thread_helper+0x4/0x10
Sep 1 16:42:38 tux kernel: [ 733.750643] [<ffffffff81080860>] ?
kthread+0x0/0xa0
Sep 1 16:42:38 tux kernel: [ 733.750650] [<ffffffff8100be60>] ?
kernel_thread_helper+0x0/0x10
Sep 1 16:42:38 tux kernel: [ 733.750656] ---[ end trace 68c1772848be0f83 ]---
Sep 1 16:42:44 tux kernel: [ 740.210023] phy0: release an RX reorder
frame due to timeout on earlier frames
Sep 1 16:42:44 tux kernel: [ 740.210028] phy0: release an RX reorder
frame due to timeout on earlier frames
Sep 1 16:42:44 tux kernel: [ 740.210031] phy0: release an RX reorder
frame due to timeout on earlier frames
Sep 1 16:42:44 tux kernel: [ 740.210033] phy0: release an RX reorder
frame due to timeout on earlier frames
Sep 1 16:42:44 tux kernel: [ 740.210035] phy0: release an RX reorder
frame due to timeout on earlier frames
Sep 1 16:42:45 tux kernel: [ 741.520015] phy0: release an RX reorder
frame due to timeout on earlier frames
Sep 1 16:42:45 tux kernel: [ 741.520019] phy0: release an RX reorder
frame due to timeout on earlier frames
Sep 1 16:42:45 tux kernel: [ 741.520022] phy0: release an RX reorder
frame due to timeout on earlier frames
Sep 1 16:42:45 tux kernel: [ 741.520024] phy0: release an RX reorder
frame due to timeout on earlier frames
Sep 1 16:42:45 tux kernel: [ 741.520026] phy0: release an RX reorder
frame due to timeout on earlier frames
Sep 1 16:42:52 tux kernel: [ 748.040093] net_ratelimit: 10 callbacks
suppressed
Sep 1 16:42:52 tux kernel: [ 748.040097] wlan39: detected beacon
loss from AP - sending probe request
Sep 1 16:42:55 tux kernel: [ 751.050050] wlan39: detected beacon
loss from AP - sending probe request
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