Ath9k NETDEV WATCHDOG queue 0 timeout RBM33G

For Developers
1

MikroTik RBM33G
MediaTek MT7621 ver:1 eco:3
OpenWrt 18.06.2 r7676-cddd7b4c77 / LuCI openwrt-18.06 branch (git-19.051.55698-76cf653)
Kernel 4.14.95
Thu Apr 11 15:51:05 2019
Uptime: 10d 23h 2m 1s

kmod-ath - 4.14.95+2017-11-01-9
kmod-ath9k - 4.14.95+2017-11-01-9
kmod-ath9k-common - 4.14.95+2017-11-01-9
kmod-cfg80211 - 4.14.95+2017-11-01-9
kmod-mac80211 - 4.14.95+2017-11-01-9

Fri Apr  5 11:38:13 2019 kern.warn kernel: [413348.083541] ------------[ cut here ]------------
Fri Apr  5 11:38:13 2019 kern.warn kernel: [413348.088266] WARNING: CPU: 2 PID: 0 at net/sched/sch_generic.c:320 0x803768c8
Fri Apr  5 11:38:13 2019 kern.info kernel: [413348.095449] NETDEV WATCHDOG: eth0 (mtk_soc_eth): transmit queue 0 timed out
Fri Apr  5 11:38:13 2019 kern.warn kernel: [413348.102467] Modules linked in: ath9k ath9k_common pppoe ppp_async ath9k_hw 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 wireguard 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_mangle iptable_filter ipt_ECN ip_tables crc_ccitt compat sch_cake nf_conntrack act_skbedit act_mirred em_u32 cls_u32 cls_tcindex cls_flow cls_route
Fri Apr  5 11:38:13 2019 kern.warn kernel: [413348.173194]  cls_fw sch_tbf sch_htb sch_hfsc sch_ingress ip6t_REJECT nf_reject_ipv6 nf_log_ipv6 nf_log_common ip6table_mangle ip6table_filter ip6_tables x_tables ifb ip6_udp_tunnel udp_tunnel leds_gpio xhci_mtk xhci_plat_hcd xhci_pci xhci_hcd gpio_button_hotplug usbcore nls_base usb_common
Fri Apr  5 11:38:13 2019 kern.warn kernel: [413348.198946] CPU: 2 PID: 0 Comm: swapper/2 Not tainted 4.14.95 #0
Fri Apr  5 11:38:13 2019 kern.warn kernel: [413348.205020] Stack : 00000000 00000000 00000000 8ff40440 00000000 00000000 00000000 00000000
Fri Apr  5 11:38:13 2019 kern.warn kernel: [413348.213445]         00000000 00000000 00000000 00000000 00000000 00000001 8fc11d60 ac07f546
Fri Apr  5 11:38:13 2019 kern.warn kernel: [413348.221868]         8fc11df8 00000000 00000000 00009748 00000038 80480738 00000008 00000000
Fri Apr  5 11:38:13 2019 kern.warn kernel: [413348.230293]         00000000 80530000 00030922 70617773 8fc11d40 00000000 80550000 803768c8
Fri Apr  5 11:38:13 2019 kern.warn kernel: [413348.238720]         00000009 00000140 00000002 8ff40440 00000000 802994b8 00000008 80590008
Fri Apr  5 11:38:13 2019 kern.warn kernel: [413348.247146]         ...
Fri Apr  5 11:38:13 2019 kern.warn kernel: [413348.249671] Call Trace:
Fri Apr  5 11:38:13 2019 kern.warn kernel: [413348.249731] [<80480738>] 0x80480738
Fri Apr  5 11:38:13 2019 kern.warn kernel: [413348.255810] [<803768c8>] 0x803768c8
Fri Apr  5 11:38:13 2019 kern.warn kernel: [413348.259368] [<802994b8>] 0x802994b8
Fri Apr  5 11:38:13 2019 kern.warn kernel: [413348.262931] [<80010090>] 0x80010090
Fri Apr  5 11:38:13 2019 kern.warn kernel: [413348.266496] [<80010098>] 0x80010098
Fri Apr  5 11:38:13 2019 kern.warn kernel: [413348.270055] [<8046975c>] 0x8046975c
Fri Apr  5 11:38:13 2019 kern.warn kernel: [413348.273613] [<8007008c>] 0x8007008c
Fri Apr  5 11:38:13 2019 kern.warn kernel: [413348.277197] [<8002e948>] 0x8002e948
Fri Apr  5 11:38:13 2019 kern.warn kernel: [413348.280755] [<803768c8>] 0x803768c8
Fri Apr  5 11:38:13 2019 kern.warn kernel: [413348.284327] [<8002e9ac>] 0x8002e9ac
Fri Apr  5 11:38:13 2019 kern.warn kernel: [413348.287891] [<80054a4c>] 0x80054a4c
Fri Apr  5 11:38:13 2019 kern.warn kernel: [413348.291462] [<803768c8>] 0x803768c8
Fri Apr  5 11:38:13 2019 kern.warn kernel: [413348.295019] [<80097950>] 0x80097950
Fri Apr  5 11:38:13 2019 kern.warn kernel: [413348.298582] [<8037671c>] 0x8037671c
Fri Apr  5 11:38:13 2019 kern.warn kernel: [413348.302137] [<80086e44>] 0x80086e44
Fri Apr  5 11:38:13 2019 kern.warn kernel: [413348.305710] [<80087060>] 0x80087060
Fri Apr  5 11:38:13 2019 kern.warn kernel: [413348.309268] [<800775d0>] 0x800775d0
Fri Apr  5 11:38:13 2019 kern.warn kernel: [413348.312838] [<80486c68>] 0x80486c68
Fri Apr  5 11:38:13 2019 kern.warn kernel: [413348.316403] [<80033084>] 0x80033084
Fri Apr  5 11:38:13 2019 kern.warn kernel: [413348.319960] [<8024ffec>] 0x8024ffec
Fri Apr  5 11:38:13 2019 kern.warn kernel: [413348.323531] [<8000b4e8>] 0x8000b4e8
Fri Apr  5 11:38:13 2019 kern.warn kernel: [413348.327109]
Fri Apr  5 11:38:13 2019 kern.warn kernel: [413348.328739] ---[ end trace ddd1c292e52c23f3 ]---
Fri Apr  5 11:38:13 2019 kern.err kernel: [413348.333430] mtk_soc_eth 1e100000.ethernet eth0: transmit timed out
Fri Apr  5 11:38:13 2019 kern.info kernel: [413348.339683] mtk_soc_eth 1e100000.ethernet eth0: dma_cfg:80000065
Fri Apr  5 11:38:13 2019 kern.info kernel: [413348.345781] mtk_soc_eth 1e100000.ethernet eth0: tx_ring=0, base=0e9e0000, max=0, ctx=1447, dtx=1447, fdx=1446, next=1447
Fri Apr  5 11:38:13 2019 kern.info kernel: [413348.356706] mtk_soc_eth 1e100000.ethernet eth0: rx_ring=0, base=0e0c0000, max=0, calc=1307, drx=1308
Fri Apr  5 11:38:13 2019 kern.info kernel: [413348.375369] mtk_soc_eth 1e100000.ethernet: 0x100 = 0x6060000c, 0x10c = 0x80818
Fri Apr  5 11:38:13 2019 kern.info kernel: [413348.389019] mtk_soc_eth 1e100000.ethernet: PPE started
2

Another one today:

[413348.083541] ------------[ cut here ]------------
[413348.088266] WARNING: CPU: 2 PID: 0 at net/sched/sch_generic.c:320 0x803768c8
[413348.095449] NETDEV WATCHDOG: eth0 (mtk_soc_eth): transmit queue 0 timed out
[413348.102467] Modules linked in: ath9k ath9k_common pppoe ppp_async ath9k_hw 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 wireguard 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_mangle iptable_filter ipt_ECN ip_tables crc_ccitt compat sch_cake nf_conntrack act_skbedit act_mirred em_u32 cls_u32 cls_tcindex cls_flow cls_route
[413348.173194]  cls_fw sch_tbf sch_htb sch_hfsc sch_ingress ip6t_REJECT nf_reject_ipv6 nf_log_ipv6 nf_log_common ip6table_mangle ip6table_filter ip6_tables x_tables ifb ip6_udp_tunnel udp_tunnel leds_gpio xhci_mtk xhci_plat_hcd xhci_pci xhci_hcd gpio_button_hotplug usbcore nls_base usb_common
[413348.198946] CPU: 2 PID: 0 Comm: swapper/2 Not tainted 4.14.95 #0
[413348.205020] Stack : 00000000 00000000 00000000 8ff40440 00000000 00000000 00000000 00000000
[413348.213445]         00000000 00000000 00000000 00000000 00000000 00000001 8fc11d60 ac07f546
[413348.221868]         8fc11df8 00000000 00000000 00009748 00000038 80480738 00000008 00000000
[413348.230293]         00000000 80530000 00030922 70617773 8fc11d40 00000000 80550000 803768c8
[413348.238720]         00000009 00000140 00000002 8ff40440 00000000 802994b8 00000008 80590008
[413348.247146]         ...
[413348.249671] Call Trace:
[413348.249731] [<80480738>] 0x80480738
[413348.255810] [<803768c8>] 0x803768c8
[413348.259368] [<802994b8>] 0x802994b8
[413348.262931] [<80010090>] 0x80010090
[413348.266496] [<80010098>] 0x80010098
[413348.270055] [<8046975c>] 0x8046975c
[413348.273613] [<8007008c>] 0x8007008c
[413348.277197] [<8002e948>] 0x8002e948
[413348.280755] [<803768c8>] 0x803768c8
[413348.284327] [<8002e9ac>] 0x8002e9ac
[413348.287891] [<80054a4c>] 0x80054a4c
[413348.291462] [<803768c8>] 0x803768c8
[413348.295019] [<80097950>] 0x80097950
[413348.298582] [<8037671c>] 0x8037671c
[413348.302137] [<80086e44>] 0x80086e44
[413348.305710] [<80087060>] 0x80087060
[413348.309268] [<800775d0>] 0x800775d0
[413348.312838] [<80486c68>] 0x80486c68
[413348.316403] [<80033084>] 0x80033084
[413348.319960] [<8024ffec>] 0x8024ffec
[413348.323531] [<8000b4e8>] 0x8000b4e8
[413348.327109] 
[413348.328739] ---[ end trace ddd1c292e52c23f3 ]---
[413348.333430] mtk_soc_eth 1e100000.ethernet eth0: transmit timed out
[413348.339683] mtk_soc_eth 1e100000.ethernet eth0: dma_cfg:80000065
[413348.345781] mtk_soc_eth 1e100000.ethernet eth0: tx_ring=0, base=0e9e0000, max=0, ctx=1447, dtx=1447, fdx=1446, next=1447
[413348.356706] mtk_soc_eth 1e100000.ethernet eth0: rx_ring=0, base=0e0c0000, max=0, calc=1307, drx=1308
[413348.375369] mtk_soc_eth 1e100000.ethernet: 0x100 = 0x6060000c, 0x10c = 0x80818
[413348.389019] mtk_soc_eth 1e100000.ethernet: PPE started
[576798.055398] mtk_soc_eth 1e100000.ethernet eth0: port 0 link down
[576857.824979] mtk_soc_eth 1e100000.ethernet eth0: port 0 link up
[576917.016607] mtk_soc_eth 1e100000.ethernet eth0: port 0 link down
[576936.522056] mtk_soc_eth 1e100000.ethernet eth0: port 0 link up
[752373.833675] mtk_soc_eth 1e100000.ethernet eth0: transmit timed out
[752373.839979] mtk_soc_eth 1e100000.ethernet eth0: dma_cfg:80000065
[752373.846140] mtk_soc_eth 1e100000.ethernet eth0: tx_ring=0, base=0e0c0000, max=0, ctx=3893, dtx=3893, fdx=3892, next=3893
[752373.857140] mtk_soc_eth 1e100000.ethernet eth0: rx_ring=0, base=0c160000, max=0, calc=2935, drx=2936
[752373.869625] mtk_soc_eth 1e100000.ethernet: 0x100 = 0x5f60000c, 0x10c = 0x80818
[752373.882378] mtk_soc_eth 1e100000.ethernet: PPE started
[762668.790440] mtk_soc_eth 1e100000.ethernet eth0: transmit timed out
[762668.796727] mtk_soc_eth 1e100000.ethernet eth0: dma_cfg:80000065
[762668.802878] mtk_soc_eth 1e100000.ethernet eth0: tx_ring=0, base=0c160000, max=0, ctx=3514, dtx=3514, fdx=3513, next=3514
[762668.813830] mtk_soc_eth 1e100000.ethernet eth0: rx_ring=0, base=0bc50000, max=0, calc=2993, drx=2994
[762668.826107] mtk_soc_eth 1e100000.ethernet: 0x100 = 0x6060000c, 0x10c = 0x80818
[762668.838758] mtk_soc_eth 1e100000.ethernet: PPE started
[933157.497913] mtk_soc_eth 1e100000.ethernet eth0: port 0 link down
[933202.808837] mtk_soc_eth 1e100000.ethernet eth0: port 0 link up
[933261.476161] mtk_soc_eth 1e100000.ethernet eth0: port 0 link down
[933280.963481] mtk_soc_eth 1e100000.ethernet eth0: port 0 link up