[FS#3414] Network crash

[OpenWrt Bugs]

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

User who did this - hellion86 (hellion86) 

Attached to Project - OpenWrt/LEDE Project
Summary - Network crash
Task Type - Bug Report
Category - Base system
Status - Unconfirmed
Assigned To - 
Operating System - All
Severity - Medium
Priority - Very Low
Reported Version - openwrt-19.07
Due in Version - Undecided
Due Date - Undecided
Details - Model	Xiaomi Mi Router 3G
Architecture	MediaTek MT7621 ver:1 eco:3
Firmware Version	OpenWrt 19.07.3 r11063-85e04e9f46 / LuCI openwrt-19.07 branch git-20.136.49537-fb2f363

2 wireguard tunnels, average load 0.7,  constantly transferring around 50Mbps. What to do?


[11093.040136] ------------[ cut here ]------------
[11093.044786] WARNING: CPU: 1 PID: 0 at net/sched/sch_generic.c:320 0x8038ba10
[11093.051827] NETDEV WATCHDOG: eth0 (mtk_soc_eth): transmit queue 0 timed out
[11093.058754] Modules linked in: pppoe ppp_async pppox ppp_generic nf_conntrack_ipv6 mt76x2e mt76x2_common mt76x02_lib mt7603e mt76 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 nf_conntrack iptable_raw iptable_mangle iptable_filter ipt_ECN ip_tables crc_ccitt compat ledtrig_usbport xt_set ip_set_list_set ip_set_hash_netportnet
[11093.130344]  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 ip_gre gre ip6_udp_tunnel udp_tunnel ipip tunnel4 ip_tunnel leds_gpio xhci_plat_hcd xhci_pci xhci_mtk xhci_hcd gpio_button_hotplug usbcore nls_base usb_common
[11093.177365] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.14.180 #0
[11093.183431] Stack : 00000000 00000000 00000000 8fe9f540 00000000 00000000 00000000 00000000
[11093.191767]         00000000 00000000 00000000 00000000 00000000 00000001 8fc0bd60 1cc28254
[11093.200102]         8fc0bdf8 00000000 00000000 00006480 00000038 8049c0d8 00000008 00000000
[11093.208454]         00000000 80550000 0002b4d5 00000000 8fc0bd40 00000000 00000000 8050ae44
[11093.216791]         8038ba10 00000140 00000001 8fe9f540 00000000 802accb0 00000004 806b0004
[11093.225127]         ...
[11093.227562] Call Trace:
[11093.227577] [] 0x8049c0d8
[11093.233476] [] 0x8038ba10
[11093.236946] [] 0x802accb0
[11093.240418] [] 0x8000c1a0
[11093.243889] [] 0x8000c1a8
[11093.247357] [] 0x80484f34
[11093.250830] [] 0x80071a90
[11093.254301] [] 0x8002e608
[11093.257770] [] 0x8038ba10
[11093.261244] [] 0x8002e690
[11093.264714] [] 0x800550e8
[11093.268183] [] 0x8038ba10
[11093.271656] [] 0x80099940
[11093.275127] [] 0x8038b864
[11093.278596] [] 0x8008850c
[11093.282067] [] 0x8005f1fc
[11093.285536] [] 0x800887c8
[11093.289004] [] 0x800790f8
[11093.292481] [] 0x804a2ed8
[11093.295955] [] 0x80032fb4
[11093.299422] [] 0x8025a2f0
[11093.302894] [] 0x80007488
[11093.306362] 
[11093.307906] ---[ end trace 1eeab0d01990d637 ]---
[11093.312528] mtk_soc_eth 1e100000.ethernet eth0: transmit timed out
[11093.318683] mtk_soc_eth 1e100000.ethernet eth0: dma_cfg:80000065
[11093.324685] mtk_soc_eth 1e100000.ethernet eth0: tx_ring=0, base=0ebc0000, max=0, ctx=639, dtx=639, fdx=638, next=639
[11093.335184] mtk_soc_eth 1e100000.ethernet eth0: rx_ring=0, base=0df60000, max=0, calc=1798, drx=1799
[11093.347900] mtk_soc_eth 1e100000.ethernet: 0x100 = 0x6060000c, 0x10c = 0x80818
[11093.360558] mtk_soc_eth 1e100000.ethernet: PPE started
[36804.131736] conntrack: generic helper won't handle protocol 47. Please consider loading the specific helper module.
[51119.838502] mtk_soc_eth 1e100000.ethernet eth0: transmit timed out
[51119.844705] mtk_soc_eth 1e100000.ethernet eth0: dma_cfg:80000065
[51119.850717] mtk_soc_eth 1e100000.ethernet eth0: tx_ring=0, base=0de70000, max=0, ctx=2403, dtx=2403, fdx=2402, next=2403
[51119.861557] mtk_soc_eth 1e100000.ethernet eth0: rx_ring=0, base=0bc40000, max=0, calc=2683, drx=2684
[51119.874059] mtk_soc_eth 1e100000.ethernet: 0x100 = 0x6060000c, 0x10c = 0x80818
[51119.886726] mtk_soc_eth 1e100000.ethernet: PPE started
[89229.695179] mtk_soc_eth 1e100000.ethernet eth0: transmit timed out
[89229.701380] mtk_soc_eth 1e100000.ethernet eth0: dma_cfg:80000065
[89229.707395] mtk_soc_eth 1e100000.ethernet eth0: tx_ring=0, base=0ed30000, max=0, ctx=836, dtx=836, fdx=835, next=836
[89229.717886] mtk_soc_eth 1e100000.ethernet eth0: rx_ring=0, base=0bf30000, max=0, calc=3466, drx=3467
[89229.730663] mtk_soc_eth 1e100000.ethernet: 0x100 = 0x6060000c, 0x10c = 0x80818
[89229.743335] mtk_soc_eth 1e100000.ethernet: PPE started
[113529.605540] mtk_soc_eth 1e100000.ethernet eth0: transmit timed out
[113529.611808] mtk_soc_eth 1e100000.ethernet eth0: dma_cfg:80000065
[113529.617908] mtk_soc_eth 1e100000.ethernet eth0: tx_ring=0, base=0bf30000, max=0, ctx=2724, dtx=2724, fdx=2723, next=2724
[113529.628843] mtk_soc_eth 1e100000.ethernet eth0: rx_ring=0, base=0bde0000, max=0, calc=3154, drx=3155
[113529.641841] mtk_soc_eth 1e100000.ethernet: 0x100 = 0x6060000c, 0x10c = 0x80818
[113529.654635] mtk_soc_eth 1e100000.ethernet: PPE started

More information can be found at the following URL:
https://bugs.openwrt.org/index.php?do=details&task_id=3414

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