OpenWrt/LEDE Project

  • Status Unconfirmed
  • Percent Complete
    0%
  • Task Type Bug Report
  • Category Base system
  • Assigned To No-one
  • Operating System All
  • Severity Low
  • Priority Very Low
  • Reported Version Trunk
  • Due in Version Undecided
  • Due Date Undecided
  • Private
Attached to Project: OpenWrt/LEDE Project
Opened by Bastian Bittorf - 19.09.2021

FS#4045 - warning: ieee80211_ibss_leave on MT7603e

TP-Link Archer C6U v1 with r17531+27-f413e4835e
This happens sometimes, wifi still works.

[ 4448.062956] ------------[ cut here ]------------
[ 4448.067748] WARNING: CPU: 3 PID: 4256 at backports-5.10.42-1/net/mac80211/ibss.c:1088 ieee80211_s1g_sta_rate_init+0x20a0/0x20e0 [mac80211]
[ 4448.080220] Modules linked in: xt_connlimit nf_conncount iptable_nat xt_state xt_nat xt_helper xt_conntrack xt_connmark xt_connbytes xt_REDIRECT xt_NETMAP xt_MASQUERADE xt_FLOWOFFLOAD xt_CT nf_nat nf_flow_table_hw nf_flow_table nf_conntrack mt7615e mt7615_common mt7603e mt76_connac_lib mt76 mac80211 ipt_REJECT cfg80211 xt_time xt_tcpudp xt_tcpmss xt_statistic xt_recent xt_multiport xt_mark xt_mac xt_limit xt_length xt_hl xt_ecn xt_dscp xt_comment xt_TCPMSS xt_LOG xt_HL xt_DSCP xt_CLASSIFY ums_usbat ums_sddr55 ums_sddr09 ums_karma ums_jumpshot ums_isd200 ums_freecom ums_datafab ums_cypress ums_alauda nf_reject_ipv4 nf_log_ipv4 nf_defrag_ipv6 nf_defrag_ipv4 macvlan iptable_raw iptable_mangle iptable_filter ipt_ECN ip_tables hwmon compat sch_sfq sch_red sch_prio sch_pie sch_multiq sch_gred sch_fq sch_dsmark sch_codel em_text em_nbyte em_meta em_cmp act_simple act_police act_pedit act_ipt act_csum libcrc32c sch_tbf sch_ingress sch_htb sch_hfsc em_u32 cls_u32 cls_tcindex cls_route cls_matchall
[ 4448.080490]  cls_fw cls_flow cls_basic act_skbedit act_mirred act_gact ledtrig_usbport nf_log_ipv6 nf_log_common ip6table_mangle ip6table_filter ip6_tables ip6t_REJECT x_tables nf_reject_ipv6 nls_utf8 sha256_generic libsha256 seqiv jitterentropy_rng drbg hmac ghash_generic gf128mul gcm ctr cmac ccm zram zsmalloc usb_storage leds_gpio xhci_plat_hcd xhci_pci xhci_mtk xhci_hcd scsi_mod gpio_button_hotplug mbcache usbcore nls_base usb_common crc32c_generic [last unloaded: sd_mod]
[ 4448.210065] CPU: 3 PID: 4256 Comm: kworker/u8:0 Not tainted 5.4.145 #0
[ 4448.216732] Workqueue: phy0 ieee80211_ibss_leave [mac80211]
[ 4448.222293] Stack : 80695174 86aa7a54 80710000 806a53e0 80760000 872ccf00 863180e0 00000009
[ 4448.230615]         8707f528 863dcc20 8554b050 8007c1c4 00000003 00000001 86aa7a10 24130241
[ 4448.238936]         00000000 00000000 00000000 00000000 0000005d 00000189 7362695f 656c5f73
[ 4448.247257]         00000000 86aa7921 ffffffff ffffffff 00000000 00000001 00000000 863180e0
[ 4448.255582]         00000009 8707f528 863dcc20 8554b050 00000002 80392ac0 0000000c 808b000c
[ 4448.263908]         ...
[ 4448.266344] Call Trace:
[ 4448.268805] [<8000b48c>] show_stack+0x30/0x100
[ 4448.273238] [<805eb018>] dump_stack+0x9c/0xc8
[ 4448.277593] [<8002b9f8>] __warn+0xcc/0x118
[ 4448.281670] [<8002baa0>] warn_slowpath_fmt+0x5c/0xac
[ 4448.286748] [<863180e0>] ieee80211_s1g_sta_rate_init+0x20a0/0x20e0 [mac80211]
[ 4448.294066] ---[ end trace e40068322c652878 ]---

relevant wifi config:

wireless.radio0=wifi-device  
wireless.radio0.type='mac80211'
wireless.radio0.country='US' 
wireless.radio0.frag='off'   
wireless.radio0.path='1e140000.pcie/pci0000:00/0000:00:00.0/0000:01:00.0'
wireless.radio0.band='2g'
wireless.radio0.htmode='HT20'
wireless.radio0.chanbw='20'  
wireless.radio0.channel='5'  
wireless.radio0.distance='100'
wireless.radio0.beacon_int='250'
wireless.radio0.txpower='20'

wireless.@wifi-iface[0]=wifi-iface
wireless.@wifi-iface[0].device='radio0'
wireless.@wifi-iface[0].network='wlanadhoc'
wireless.@wifi-iface[0].mode='adhoc'
wireless.@wifi-iface[0].mcast_rate='6000'
wireless.@wifi-iface[0].bssid='02:ca:ff:ee:ba:be'
wireless.@wifi-iface[0].macaddr='3c:84:6a:8c:75:79'
wireless.@wifi-iface[0].ssid='ffintern.2GHz'

wireless.@wifi-iface[1]=wifi-iface
wireless.@wifi-iface[1].device='radio0'
wireless.@wifi-iface[1].network='wlan'
wireless.@wifi-iface[1].encryption='none'
wireless.@wifi-iface[1].mode='ap'
wireless.@wifi-iface[1].max_inactivity='15'
wireless.@wifi-iface[1].ssid='weimar.freifunk.net'
wireless.@wifi-iface[1].macaddr='3e:84:6a:8c:75:79'
wireless.@wifi-iface[1].disassoc_low_ack='1'
Bastian Bittorf commented on 19.09.2021 21:11

here a station dump, maybe it helps:

root@box:~ iw dev wlan0 station dump
Station b8:27:eb:27:dc:2a (on wlan0)
	inactive time:	140 ms
	rx bytes:	11623750
	rx packets:	75655
	tx bytes:	79638
	tx packets:	571
	tx retries:	19
	tx failed:	0
	rx drop misc:	0
	signal:  	-20 [-20, -25] dBm
	signal avg:	-19 [-19, -24] dBm
	tx bitrate:	72.2 MBit/s MCS 7 short GI
	tx duration:	63200 us
	rx bitrate:	65.0 MBit/s MCS 7
	rx duration:	45643 us
	airtime weight: 256
	expected throughput:	58.868Mbps
	authorized:	yes
	authenticated:	yes
	associated:	yes
	preamble:	long
	WMM/WME:	yes
	MFP:		no
	TDLS peer:	no
	DTIM period:	0
	beacon interval:250
	connected time:	9047 seconds
	associated at [boottime]:	150.813s
	associated at:	1632076724588 ms
	current time:	1632085771643 ms
Station f4:ec:38:9d:86:36 (on wlan0)
	inactive time:	170 ms
	rx bytes:	9299257
	rx packets:	51706
	tx bytes:	45873
	tx packets:	483
	tx retries:	222
	tx failed:	1
	rx drop misc:	0
	signal:  	-59 [-59, -62] dBm
	signal avg:	-61 [-62, -64] dBm
	tx bitrate:	130.0 MBit/s MCS 15
	tx duration:	68352 us
	rx bitrate:	78.0 MBit/s MCS 12
	rx duration:	27053 us
	airtime weight: 256
	expected throughput:	85.51Mbps
	authorized:	yes
	authenticated:	yes
	associated:	yes
	preamble:	long
	WMM/WME:	yes
	MFP:		no
	TDLS peer:	no
	DTIM period:	0
	beacon interval:250
	connected time:	9046 seconds
	associated at [boottime]:	151.046s
	associated at:	1632076724822 ms
	current time:	1632085771645 ms
Station 64:66:b3:de:d9:eb (on wlan0)
	inactive time:	410 ms
	rx bytes:	10951726
	rx packets:	68943
	tx bytes:	1369
	tx packets:	24
	tx retries:	44
	tx failed:	0
	rx drop misc:	1
	signal:  	-73 [-73, -78] dBm
	signal avg:	-73 [-73, -77] dBm
	tx bitrate:	130.0 MBit/s MCS 14 short GI
	tx duration:	14080 us
	rx bitrate:	39.0 MBit/s MCS 4
	rx duration:	3606 us
	airtime weight: 256
	expected throughput:	45.776Mbps
	authorized:	yes
	authenticated:	yes
	associated:	yes
	preamble:	long
	WMM/WME:	yes
	MFP:		no
	TDLS peer:	no
	DTIM period:	0
	beacon interval:250
	connected time:	9046 seconds
	associated at [boottime]:	151.087s
	associated at:	1632076724863 ms
	current time:	1632085771646 ms
Station 64:09:80:7f:48:85 (on wlan0)
	inactive time:	630 ms
	rx bytes:	6295994
	rx packets:	7463
	tx bytes:	19426
	tx packets:	77
	tx retries:	85
	tx failed:	0
	rx drop misc:	7
	signal:  	-65 [-76, -65] dBm
	signal avg:	-64 [-75, -64] dBm
	tx bitrate:	48.0 MBit/s
	tx duration:	28928 us
	rx bitrate:	24.0 MBit/s
	rx duration:	11384 us
	airtime weight: 256
	expected throughput:	8.879Mbps
	authorized:	yes
	authenticated:	yes
	associated:	yes
	preamble:	long
	WMM/WME:	yes
	MFP:		no
	TDLS peer:	no
	DTIM period:	0
	beacon interval:250
	connected time:	9043 seconds
	associated at [boottime]:	154.146s
	associated at:	1632076727922 ms
	current time:	1632085771647 ms
Station 64:66:b3:e8:38:ee (on wlan0)
	inactive time:	24300 ms
	rx bytes:	0
	rx packets:	0
	tx bytes:	0
	tx packets:	0
	tx retries:	0
	tx failed:	0
	rx drop misc:	0
	signal:  	0 dBm
	signal avg:	0 dBm
	tx bitrate:	1.0 MBit/s
	tx duration:	0 us
	rx duration:	0 us
	airtime weight: 256
	authorized:	yes
	authenticated:	yes
	associated:	yes
	preamble:	long
	WMM/WME:	yes
	MFP:		no
	TDLS peer:	no
	DTIM period:	0
	beacon interval:250
	connected time:	24 seconds
	associated at [boottime]:	9173.563s
	associated at:	1632085747340 ms
	current time:	1632085771649 ms

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