#13542: A new mac80211 warning, probably aggregation related
--------------------------+------------------------
Reporter: duvi | Owner: developers
Type: defect | Status: reopened
Priority: normal | Milestone:
Component: base system | Version: Trunk
Resolution: | Keywords:
--------------------------+------------------------
Comment (by uysiquebien):
{{{
[118623.490000] ------------[ cut here ]------------
[118623.500000] WARNING: CPU: 0 PID: 10918 at
/home/vagrant/openwrt/trunk/build_dir/target-mips_34kc_uClibc-0.9.33.2
/linux-ar71xx_generic/compat-wireless-2015-03-09/net/mac80211/agg-tx.c:741
ieee80211_start_tx_ba_cb+0xbc/0x12c [mac80211]()
[118623.520000] Modules linked in: imq ath9k ath9k_common pppoe ppp_async
iptable_nat ath9k_hw ath pptp pppox ppp_mppe ppp_generic nf_nat_ipv4
nf_conntrack_ipv4 mac80211 ipt_REJECT ipt_MASQUERADE ebtable_nat
ebtable_filter ebtable_broute cfg80211 xt_time xt_tcpudp xt_tcpmss
xt_string xt_statistic xt_state xt_recent xt_quota xt_pkttype xt_physdev
xt_owner xt_nat xt_multiport xt_mark xt_mac xt_limit xt_length xt_iprange
xt_id xt_hl xt_helper xt_ecn xt_dscp xt_conntr[118623.640000] CPU: 0 PID:
10918 Comm: kworker/u2:2 Tainted: G W 3.18.23 #1
[118623.650000] Workqueue: phy0 ieee80211_ibss_leave [mac80211]
[118623.660000] Stack : 00000001 00000000 80f41580 80308100 80e51220
80e0c548 000002e5 80e51d54
[118623.660000] 81804a10 81804a00 80e51e10 800a35cc 00002aa6
800961f4 81b3da80 80e51d54
[118623.660000] 80318d30 80d57d1c 80d57d1c 800a35cc 00000003
80093be4 000002e5 00000000
[118623.660000] 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000
[118623.660000] 70687930 00000000 00000000 00000000 00000000
00000000 80db7500 80db7600
[118623.660000] ...
[118623.690000] Call Trace:
[118623.700000] [<80070fe0>] show_stack+0x50/0x84
[118623.700000] [<800804c4>] warn_slowpath_common+0x84/0xb4
[118623.710000] [<8008057c>] warn_slowpath_null+0x18/0x24
[118623.710000] [<80e0c548>] ieee80211_start_tx_ba_cb+0xbc/0x12c
[mac80211]
[118623.720000] [<80e11460>] ieee80211_ibss_leave+0xc00/0x165c [mac80211]
[118623.720000]
[118623.730000] ---[ end trace a4c2004e1d569de8 ]---
}}}
This using AP+STA. When it happens, the device remains connected but no
more traffic is ever generated so I have to manually reconnect it.
--
Ticket URL: <https://dev.openwrt.org/ticket/13542#comment:21>
OpenWrt <http://openwrt.org>
Opensource Wireless Router Technology
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