[FS#3486] WARNING: ath10k-4.19/htt_rx.c:1206 0xbf3b1be0 [ath10k_core at bf394000+0x57000], 2.4GHz no longer works

Thu Dec 3 14:13:15 EST 2020

THIS IS AN AUTOMATED MESSAGE, DO NOT REPLY.

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

User who did this - Victor Sergienko (singalen) 

Attached to Project - OpenWrt/LEDE Project
Summary - WARNING: ath10k-4.19/htt_rx.c:1206 0xbf3b1be0 [ath10k_core at bf394000+0x57000], 2.4GHz no longer works
Task Type - Bug Report
Category - Kernel
Status - Unconfirmed
Assigned To - 
Operating System - All
Severity - Low
Priority - Very Low
Reported Version - openwrt-19.07
Due in Version - Undecided
Due Date - Undecided
Details - Supply the following if possible:
 - Device problem occurs on: Netgear R7800

 - Software versions of OpenWrt/LEDE release, packages, etc:
cat /etc/*-release
NAME="OpenWrt"
VERSION="19.07.3"
ID="openwrt"
ID_LIKE="lede openwrt"
PRETTY_NAME="OpenWrt 19.07.3"
VERSION_ID="19.07.3"
HOME_URL="https://openwrt.org/"
BUG_URL="https://bugs.openwrt.org/"
SUPPORT_URL="https://forum.openwrt.org/"
BUILD_ID="r11063-85e04e9f46"
OPENWRT_BOARD="ipq806x/generic"
OPENWRT_ARCH="arm_cortex-a15_neon-vfpv4"
OPENWRT_TAINTS=""
OPENWRT_DEVICE_MANUFACTURER="OpenWrt"
OPENWRT_DEVICE_MANUFACTURER_URL="https://openwrt.org/"
OPENWRT_DEVICE_PRODUCT="Generic"
OPENWRT_DEVICE_REVISION="v0"
OPENWRT_RELEASE="OpenWrt 19.07.3 r11063-85e04e9f46"

 - Steps to reproduce:
Cannot, sorry. It happened in the night, after a few months of uptime. I can only analyze it post factum.

I have this in the dmesg log:

[ 4778.037462] ath10k_pci 0001:01:00.0: Invalid VHT mcs 15 peer stats
[25912.740536] conntrack: generic helper won't handle protocol 47. Please consider loading the specific helper module.
[63498.886948] ath10k_pci 0001:01:00.0: Invalid peer id 13 or peer stats buffer, peer:   (null)  sta:   (null)
[290864.886375] ------------[ cut here ]------------
[290864.886409] WARNING: CPU: 0 PID: 0 at /builder/shared-workdir/build/build_dir/target-arm_cortex-a15+neon-vfpv4_musl_eabi/linux-ipq806x_generic/ath10k-ct-regular/ath10k-ct-2019-09-09-5e8cd86f/ath10k-4.19/htt_rx.c:1206 0xbf3b1be0 [ath10k_core at bf394000+0x57000]
[290864.890588] Modules linked in: pppoe ppp_async ath10k_pci ath10k_core ath pppox ppp_generic nf_conntrack_ipv6 mac80211 iptable_nat ipt_REJECT ipt_MASQUERADE cfg80211 xt_time xt_tcpudp xt_tcpmss xt_statistic xt_state xt_recent xt_nat xt_multiport xt_mark xt_mac xt_limit xt_length xt_hl xt_helper xt_ecn xt_dscp xt_conntrack xt_connmark xt_connlimit xt_connbytes xt_comment xt_TCPMSS xt_REDIRECT xt_LOG xt_HL xt_FLOWOFFLOAD xt_DSCP xt_CT xt_CLASSIFY slhc nf_reject_ipv4 nf_nat_redirect nf_nat_masquerade_ipv4 nf_conntrack_ipv4 nf_nat_ipv4 nf_nat nf_log_ipv4 nf_flow_table_hw nf_flow_table nf_defrag_ipv6 nf_defrag_ipv4 nf_conntrack_rtcache iptable_raw iptable_mangle iptable_filter ipt_ECN ip_tables crc_ccitt compat sch_cake nf_conntrack sch_tbf sch_ingress sch_htb sch_hfsc em_u32 cls_u32 cls_tcindex cls_route
[290864.961841]  cls_matchall cls_fw cls_flow cls_basic act_skbedit act_mirred ledtrig_usbport nf_log_ipv6 nf_log_common ip6table_mangle ip6table_filter ip6_tables ip6t_REJECT x_tables nf_reject_ipv6 ifb tun leds_gpio xhci_plat_hcd xhci_pci xhci_hcd dwc3 dwc3_of_simple ohci_platform ohci_hcd phy_qcom_dwc3 ahci ehci_platform sd_mod ahci_platform libahci_platform libahci libata scsi_mod ehci_hcd gpio_button_hotplug
[290864.998007] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.14.180 #0
[290865.020175] Hardware name: Generic DT based system
[290865.026256] Function entered at [] from []
[290865.031028] Function entered at [] from []
[290865.036931] Function entered at [] from []
[290865.042834] Function entered at [] from []
[290865.048734] Function entered at [] from []
[290865.054681] Function entered at [] from []
[290865.060543] Function entered at [] from []
[290865.066444] Function entered at [] from []
[290865.072359] Function entered at [] from []
[290865.078250] Function entered at [] from []
[290865.084152] Function entered at [] from []
[290865.090055] Function entered at [] from []
[290865.095959] Function entered at [] from []
[290865.101859] Function entered at [] from []
[290865.107763] Exception stack(0xc0a01f48 to 0xc0a01f90)
[290865.113675] 1f40:                   00000001 00000000 00000000 c0315100 ffffe000 c0a03cb8
[290865.118894] 1f60: c0a03c6c 00000000 00000000 c092ea28 00000000 00000000 c0a01f90 c0a01f98
[290865.127132] 1f80: c030854c c0308550 60000013 ffffffff
[290865.135368] Function entered at [] from []
[290865.140489] Function entered at [] from []
[290865.146306] Function entered at [] from []
[290865.152206] Function entered at [] from []
[290865.158207] ---[ end trace e3efdf73eb89c8f9 ]---
[2515308.545406] ath10k_pci 0001:01:00.0: failed to increase tx pending count: -16, dropping

...then the last line repeats about a hundred times.

Clients cannot connect to 2.4GHz network.

# iwinfo
wlan0     ESSID: "redacted5"
          Access Point: DC:EF:09:DE:BD:B2
          Mode: Master  Channel: 36 (5.180 GHz)
          Tx-Power: 23 dBm  Link Quality: 52/70
          Signal: -58 dBm  Noise: -108 dBm
          Bit Rate: 753.4 MBit/s
          Encryption: WPA2 PSK (CCMP)
          Type: nl80211  HW Mode(s): 802.11nac
          Hardware: 168C:0046 168C:CAFE [Qualcomm Atheros QCA9984]
          TX power offset: none
          Frequency offset: none
          Supports VAPs: yes  PHY name: phy0

wlan1     ESSID: "redacted24"
          Access Point: DC:EF:09:DE:BD:B3
          Mode: Master  Channel: 11 (2.462 GHz)
          Tx-Power: 30 dBm  Link Quality: unknown/70
          Signal: unknown  Noise: -101 dBm
          Bit Rate: unknown
          Encryption: mixed WPA/WPA2 PSK (CCMP)
          Type: nl80211  HW Mode(s): 802.11bgn
          Hardware: 168C:0046 168C:CAFE [Qualcomm Atheros QCA9984]
          TX power offset: none
          Frequency offset: none
          Supports VAPs: yes  PHY name: phy1

More information can be found at the following URL:
https://bugs.openwrt.org/index.php?do=details&task_id=3486

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