bss channel survey timed out and then hardware became unavailable on IPQ40xx.

[nospam forme]

Hi!

I have an IPQ40xx router that occasionally gets "bss channnel survey
timed out" and then "hardware became unavailable". Is there a way to
prevent this or recover?



Tue Jan 26 18:09:30 2021 kern.warn kernel: [ 241.438212] ath10k_ahb
a000000.wifi: bss channel survey timed out

Tue Jan 26 18:09:33 2021 kern.warn kernel: [ 244.478151] ath10k_ahb
a000000.wifi: wmi command 36892 timeout, restarting hardware

Tue Jan 26 18:09:33 2021 kern.warn kernel: [ 244.478202] ath10k_ahb
a000000.wifi: failed to set dtim period for vdev 0: -11

Tue Jan 26 18:09:33 2021 kern.warn kernel: [ 244.486990] ath10k_ahb
a000000.wifi: failed to recalculate rts/cts prot for vdev 0: -108

Tue Jan 26 18:09:33 2021 kern.warn kernel: [ 244.491977] ath10k_ahb
a000000.wifi: failed to set cts protection for vdev 0: -108

Tue Jan 26 18:09:33 2021 kern.warn kernel: [ 244.500212] ath10k_ahb
a000000.wifi: failed to set erp slot for vdev 0: -108

Tue Jan 26 18:09:33 2021 kern.warn kernel: [ 244.507547] ath10k_ahb
a000000.wifi: failed to set preamble for vdev 0: -108

Tue Jan 26 18:09:33 2021 kern.warn kernel: [ 244.514788] ath10k_ahb
a000000.wifi: failed to set mgmt tx rate -108

Tue Jan 26 18:09:33 2021 kern.warn kernel: [ 244.534106] ath10k_ahb
a000000.wifi: failed to read hi_board_data address: -16

Tue Jan 26 18:09:33 2021 kern.info kernel: [ 244.538921] ieee80211
phy0: Hardware restart was requested

Tue Jan 26 18:09:33 2021 kern.warn kernel: [ 244.540296] ath10k_ahb
a000000.wifi: failed to send pdev bss chan info request

Tue Jan 26 18:09:33 2021 kern.err kernel: [ 244.548191] ath10k_ahb
a000000.wifi: failed to halt axi bus: 0

Tue Jan 26 18:09:34 2021 kern.err kernel: [ 244.721641] ath10k_ahb
a000000.wifi: Failed to get pcie state addr: -16

Tue Jan 26 18:09:34 2021 kern.err kernel: [ 244.721684] ath10k_ahb
a000000.wifi: failed to setup init config: -16

Tue Jan 26 18:09:34 2021 kern.err kernel: [ 244.727209] ath10k_ahb
a000000.wifi: Could not init hif: -16

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 244.733692] ------------[
cut here ]------------

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 244.739576] WARNING: CPU:
0 PID: 3 at backports-4.19.137-1/net/mac80211/util.c:2046
ieee80211_reconfig+0x98/0xb64 [mac80211]

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 244.744002] Hardware
became unavailable during restart.

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 244.755225] Modules
linked in: pppoe ppp_async ath10k_pci ath10k_core ath pppox
ppp_generic nf_conntrack_ipv6 mac80211 iptable_nat ipt_REJECT
ipt_MASQUERADE ebtable_nat ebtable_filter ebtable_broute cp210x ch341
cfg80211 xt_time xt_tcpudp xt_state xt_nat xt_multiport xt_mark xt_mac
xt_limit xt_conntrack xt_comment xt_TCPMSS xt_REDIRECT xt_LOG
xt_FLOWOFFLOAD wireguard usbserial usbnet 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 nf_conntrack_netlink nf_conntrack
macvlan iptable_mangle iptable_filter ip_tables ebtables ebt_vlan
ebt_stp ebt_redirect ebt_pkttype ebt_mark_m ebt_mark ebt_limit ebt_ip6
ebt_among ebt_802_3 crc_ccitt compat cdc_acm sch_tbf sch_ingress

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 244.809148] sch_htb
sch_hfsc em_u32 cls_u32 cls_tcindex cls_route cls_matchall cls_fw
cls_flow cls_basic act_skbedit act_mirred xt_set ip_set_list_set
ip_set_hash_netportnet ip_set_hash_netport 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 ip6_udp_tunnel udp_tunnel ip6_tunnel tunnel6
tun leds_gpio xhci_plat_hcd xhci_pci xhci_hcd dwc3 dwc3_of_simple
ehci_platform ehci_hcd gpio_button_hotplug mii

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 244.870014] CPU: 0 PID: 3
Comm: kworker/0:0 Not tainted 4.14.200 #0

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 244.892172] Hardware
name: Generic DT based system

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 244.898472] Workqueue:
events_freezable ieee80211_restart_work [mac80211]

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 244.903220] [<c030e3a8>]
(unwind_backtrace) from [<c030a8a0>] (show_stack+0x10/0x14)

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 244.910071] [<c030a8a0>]
(show_stack) from [<c0721494>] (dump_stack+0x94/0xa8)

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 244.917876] [<c0721494>]
(dump_stack) from [<c031dc58>] (__warn+0xe4/0x100)

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 244.924905] [<c031dc58>]
(__warn) from [<c031dcac>] (warn_slowpath_fmt+0x38/0x48)

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 244.931867] [<c031dcac>]
(warn_slowpath_fmt) from [<bf4b9f24>] (ieee80211_reconfig+0x98/0xb64
[mac80211])

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 244.939620] [<bf4b9f24>]
(ieee80211_reconfig [mac80211]) from [<bf4897f0>]
(ieee80211_restart_work+0xa8/0xb4 [mac80211])

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 244.949038] [<bf4897f0>]
(ieee80211_restart_work [mac80211]) from [<c0333640>]
(process_one_work+0x280/0x410)

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 244.959900] [<c0333640>]
(process_one_work) from [<c0333b00>] (worker_thread+0x330/0x560)

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 244.969704] [<c0333b00>]
(worker_thread) from [<c0338fc0>] (kthread+0x134/0x13c)

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 244.977861] [<c0338fc0>]
(kthread) from [<c0307568>] (ret_from_fork+0x14/0x2c)

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 244.985442] ---[ end
trace fb0fc35d89e4ff3d ]---

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 244.992409] ------------[
cut here ]------------

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 244.997253] WARNING: CPU:
0 PID: 3 at backports-4.19.137-1/net/mac80211/driver-ops.h:19
drv_ampdu_action+0x4c/0x1e8 [mac80211]

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 245.001767] group-ap2:
Failed check-sdata-in-driver check, flags: 0x9

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 245.012952] Modules
linked in: pppoe ppp_async ath10k_pci ath10k_core ath pppox
ppp_generic nf_conntrack_ipv6 mac80211 iptable_nat ipt_REJECT
ipt_MASQUERADE ebtable_nat ebtable_filter ebtable_broute cp210x ch341
cfg80211 xt_time xt_tcpudp xt_state xt_nat xt_multiport xt_mark xt_mac
xt_limit xt_conntrack xt_comment xt_TCPMSS xt_REDIRECT xt_LOG
xt_FLOWOFFLOAD wireguard usbserial usbnet 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 nf_conntrack_netlink nf_conntrack
macvlan iptable_mangle iptable_filter ip_tables ebtables ebt_vlan
ebt_stp ebt_redirect ebt_pkttype ebt_mark_m ebt_mark ebt_limit ebt_ip6
ebt_among ebt_802_3 crc_ccitt compat cdc_acm sch_tbf sch_ingress

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 245.068370] sch_htb
sch_hfsc em_u32 cls_u32 cls_tcindex cls_route cls_matchall cls_fw
cls_flow cls_basic act_skbedit act_mirred xt_set ip_set_list_set
ip_set_hash_netportnet ip_set_hash_netport 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 ip6_udp_tunnel udp_tunnel ip6_tunnel tunnel6
tun leds_gpio xhci_plat_hcd xhci_pci xhci_hcd dwc3 dwc3_of_simple
ehci_platform ehci_hcd gpio_button_hotplug mii

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 245.129211] CPU: 0 PID: 3
Comm: kworker/0:0 Tainted: G W 4.14.200 #0

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 245.151377] Hardware
name: Generic DT based system

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 245.159057] Workqueue:
events_freezable ieee80211_restart_work [mac80211]

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 245.163640] [<c030e3a8>]
(unwind_backtrace) from [<c030a8a0>] (show_stack+0x10/0x14)

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 245.170487] [<c030a8a0>]
(show_stack) from [<c0721494>] (dump_stack+0x94/0xa8)

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 245.178296] [<c0721494>]
(dump_stack) from [<c031dc58>] (__warn+0xe4/0x100)

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 245.185327] [<c031dc58>]
(__warn) from [<c031dcac>] (warn_slowpath_fmt+0x38/0x48)

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 245.192293] [<c031dcac>]
(warn_slowpath_fmt) from [<bf48c75c>] (drv_ampdu_action+0x4c/0x1e8
[mac80211])

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 245.199977] [<bf48c75c>]
(drv_ampdu_action [mac80211]) from [<bf497e7c>]
(___ieee80211_stop_rx_ba_session+0x90/0x138 [mac80211])

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 245.209183] [<bf497e7c>]
(___ieee80211_stop_rx_ba_session [mac80211]) from [<bf49640c>]
(ieee80211_sta_tear_down_BA_sessions+0x50/0xfc [mac80211])

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 245.220995] [<bf49640c>]
(ieee80211_sta_tear_down_BA_sessions [mac80211]) from [<bf48dad0>]
(ieee80211_send_eosp_nullfunc+0x620/0x9a0 [mac80211])

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 245.234018] [<bf48dad0>]
(ieee80211_send_eosp_nullfunc [mac80211]) from [<bf49055c>]
(__sta_info_flush+0xb8/0x158 [mac80211])

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 245.247041] [<bf49055c>]
(__sta_info_flush [mac80211]) from [<bf4a4af8>]
(ieee80211_stop_ap+0xe4/0x1f8 [mac80211])

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 245.258327] [<bf4a4af8>]
(ieee80211_stop_ap [mac80211]) from [<bf429dac>]
(__cfg80211_stop_ap+0x4c/0xd8 [cfg80211])

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 245.268572] [<bf429dac>]
(__cfg80211_stop_ap [cfg80211]) from [<bf402d98>]
(cfg80211_leave+0x24/0x30 [cfg80211])

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 245.278837] [<bf402d98>]
(cfg80211_leave [cfg80211]) from [<bf402fb8>]
(cfg80211_netdev_notifier_call+0x214/0x534 [cfg80211])

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 245.289214] [<bf402fb8>]
(cfg80211_netdev_notifier_call [cfg80211]) from [<c0339c30>]
(notifier_call_chain+0x2c/0x6c)

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 245.300349] [<c0339c30>]
(notifier_call_chain) from [<c0339dac>]
(raw_notifier_call_chain+0x18/0x20)

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 245.310938] [<c0339dac>]
(raw_notifier_call_chain) from [<c06277b0>]
(__dev_close_many+0x44/0xc8)

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 245.320140] [<c06277b0>]
(__dev_close_many) from [<c0627894>] (dev_close_many+0x60/0xdc)

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 245.328902] [<c0627894>]
(dev_close_many) from [<c06298b4>] (dev_close+0x34/0x48)

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 245.337136] [<c06298b4>]
(dev_close) from [<bf4028fc>]
(cfg80211_shutdown_all_interfaces+0x58/0xa8 [cfg80211])

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 245.344631] [<bf4028fc>]
(cfg80211_shutdown_all_interfaces [cfg80211]) from [<bf4ba61c>]
(ieee80211_reconfig+0x790/0xb64 [mac80211])

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 245.354494] [<bf4ba61c>]
(ieee80211_reconfig [mac80211]) from [<bf4897f0>]
(ieee80211_restart_work+0xa8/0xb4 [mac80211])

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 245.366483] [<bf4897f0>]
(ieee80211_restart_work [mac80211]) from [<c0333640>]
(process_one_work+0x280/0x410)

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 245.377258] [<c0333640>]
(process_one_work) from [<c0333b00>] (worker_thread+0x330/0x560)

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 245.387062] [<c0333b00>]
(worker_thread) from [<c0338fc0>] (kthread+0x134/0x13c)

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 245.395221] [<c0338fc0>]
(kthread) from [<c0307568>] (ret_from_fork+0x14/0x2c)

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 245.402846] ---[ end
trace fb0fc35d89e4ff3e ]---

Tue Jan 26 18:09:34 2021 kern.info kernel: [ 245.409750] group-ap2: HW
problem - can not stop rx aggregation for 06:ef:c0:01:33:6b tid 0

Tue Jan 26 18:09:34 2021 kern.warn kernel: [ 245.414504] ------------[
cut here ]------------