[FS#4141] Wifi unstable Kernel warning in mac80211/rate.c

OpenWrt Bugs openwrt-bugs at lists.openwrt.org
Thu Nov 18 10:30:36 PST 2021


A new Flyspray task has been opened.  Details are below. 

User who did this - Dean Bayliss (Dean0) 

Attached to Project - OpenWrt/LEDE Project
Summary - Wifi unstable Kernel warning in mac80211/rate.c
Task Type - Bug Report
Category - Kernel
Status - Unconfirmed
Assigned To - 
Operating System - All
Severity - Low
Priority - Very Low
Reported Version - openwrt-21.02
Due in Version - Undecided
Due Date - Undecided
Details - Wifi unstable Kernel warning in mac80211/rate.c

Is this related to https://patchwork.kernel.org/project/linux-wireless/patch/20180117101405.16700-1-nbd@nbd.name/

Name the tree/revision/version = 21.02.1 and 21.02.2
Name the affected device = WDR4900  4 units all the same
What does it do that it should not do / what does it not do that it should do  = Wifi becomes unstable fails and restarts with error shown
Steps to reproduce = leave it on for a couple of days
What you have already done to workaround/fix the problem = Revert to v19

------------[ cut here ]------------
[723741.978905] WARNING: CPU: 0 PID: 0 at backports-5.10.68-1/net/mac80211/rate.c:677 0xc9636ea0 [mac80211 at 880b69f1+0xa2660]
[723741.989848] Modules linked in: tun ath9k ath9k_common xt_connlimit pppoe ppp_async nf_conncount iptable_nat ath9k_hw ath xt_state xt_nat xt_helper xt_conntrack xt_connmark xt_connbytes xt_REDIRECT xt_MASQUERADE xt_FLOWOFFLOAD xt_CT wireguard pppox ppp_generic nf_nat nf_flow_table_hw nf_flow_table nf_conntrack_netlink nf_conntrack mac80211 libchacha20poly1305 libblake2s 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 slhc sch_cake nf_reject_ipv4 nf_log_ipv4 nf_defrag_ipv6 nf_defrag_ipv4 libpoly1305 libcurve25519_generic libchacha libblake2s_generic iptable_raw iptable_mangle iptable_filter ipt_ECN ip_tables crc_ccitt compat sch_tbf sch_ingress sch_htb sch_hfsc em_u32 cls_u32 cls_tcindex cls_route cls_matchall cls_fw cls_flow cls_basic act_skbedit act_mirred act_gact xt_set ip_set_list_set ip_set_hash_netportnet ip_set_hash_netport
[723741.989980]  ip_set_hash_netnet ip_set_hash_netiface ip_set_hash_net ip_set_hash_mac ip_set_hash_ipportnet ip_set_hash_ipportip ip_set_hash_ipport ip_set_hash_ipmark ip_set_hash_ip ip_set_bitmap_port ip_set_bitmap_ipmac ip_set_bitmap_ip ip_set nfnetlink nf_log_ipv6 nf_log_common ip6table_mangle ip6table_filter ip6_tables ip6t_REJECT x_tables nf_reject_ipv6 ifb ip6_udp_tunnel udp_tunnel kpp gpio_keys leds_gpio fsl_mph_dr_of ehci_platform ehci_fsl ehci_hcd button_hotplug input_core usbcore usb_common
[723742.120347] CPU: 0 PID: 0 Comm: swapper Not tainted 5.4.154 #0
[723742.126256] NIP:  c9636ea0 LR: c9594104 CTR: c006d108
[723742.131385] REGS: c7ff5ca8 TRAP: 0700   Not tainted  (5.4.154)
[723742.137292] MSR:  00029000   CR: 48048882  XER: 00000000
[723742.143555] GPR00: 00000000 c7ff5d60 c068ba40 00000100 ffffffff 000000c7 00000001 00000001
[723742.143555] GPR08: 0000000a c448ae58 000007c6 c47583e0 88044482 00000000 c068fcac c0690000
[723742.143555] GPR16: 00200002 00000000 c06b0000 c05b1b04 00000009 00000000 fffff000 00000001
[723742.143555] GPR24: c3914cf8 00000000 c4480130 c4a3b708 c3914cf8 00000004 c448ae58 c47583c0
[723742.178843] Call Trace:
[723742.181368] [c7ff5d60] [c7ff5d64] 0xc7ff5d64 (unreliable)
[723742.186847] [c7ff5dd0] [c95940c4] 0xc95940c4 [ath9k at 814d09d6+0x1f4f8]
[723742.193368] [c7ff5e10] [c958b980] 0xc958b980 [ath9k at 814d09d6+0x1f4f8]
[723742.199890] [c7ff5e50] [c96498fc] 0xc96498fc [mac80211 at 880b69f1+0xa2660]
[723742.206671] [c7ff5e90] [c9649ae0] 0xc9649ae0 [mac80211 at 880b69f1+0xa2660]
[723742.213453] [c7ff5eb0] [c96518e4] 0xc96518e4 [mac80211 at 880b69f1+0xa2660]
[723742.220235] [c7ff5f10] [c96535bc] 0xc96535bc [mac80211 at 880b69f1+0xa2660]
[723742.227013] [c7ff5f60] [c002e6e0] 0xc002e6e0
[723742.231361] [c7ff5f90] [c05a9d3c] 0xc05a9d3c
[723742.235709] [c7ff5ff0] [c000d294] 0xc000d294
[723742.240058] [c06afe88] [c00057b8] 0xc00057b8
[723742.244405] [c06afea8] [c000f4ac] 0xc000f4ac
[723742.248754] --- interrupt: 501 at 0xc00084e8
[723742.248754]     LR = 0xc00084e8
[723742.256312] [c06aff70] [c0054c00] 0xc0054c00 (unreliable)
[723742.261790] [c06aff80] [c0052c6c] 0xc0052c6c
[723742.266138] [c06affa0] [c0052de4] 0xc0052de4
[723742.270485] [c06affb0] [c0660ae4] 0xc0660ae4
[723742.274833] [c06afff0] [c000038c] 0xc000038c
[723742.279178] Instruction dump:
[723742.282227] 40820010 891f002d 71080040 40820054 7f9d3800 40bdfe44 39290003 4bfffde4
[723742.290061] 54c6073e 2b86000a 38c00001 7cc0371e  7f9d3800 40bdfe20 39290003
[723742.298068] ---[ end trace 2b9045ebeb5ab14c ]---



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