AC58U WAN crashes during speedtest upload test

Hello,
recently I flashed OpenWrt 19.07.8 to ASUS RT-AC58U (first time OpenWRT user).
All functionality seems to be working as expected, except when I run speedtest.net, WAN interface crashes on upload part.
I deployed librespeedtest on raspberry PI and tests run fine on local network, nothing crashes. I tried to run speedtest over OpenVPN and WAN crashed on upload, so I guess it's not providers fault?
With original firmware router worked fine.

System log on crash

Thu Aug 12 21:44:26 2021 kern.info kernel: [359750.856422] ess_edma c080000.edma: eth1: GMAC Link is up with phy_speed=100
Thu Aug 12 21:44:26 2021 daemon.notice netifd: Interface 'wan6' has link connectivity
Thu Aug 12 21:44:26 2021 daemon.notice netifd: Interface 'wan6' is setting up now
Thu Aug 12 21:44:26 2021 daemon.notice netifd: wan (27140): udhcpc: started, v1.30.1
Thu Aug 12 21:44:26 2021 daemon.notice netifd: wan (27140): udhcpc: sending discover
Thu Aug 12 21:44:26 2021 daemon.notice netifd: wan (27140): udhcpc: sending select for xxx.xxx.82.46
Thu Aug 12 21:44:27 2021 daemon.notice netifd: wan (27140): udhcpc: lease of xxx.xxx.82.46 obtained, lease time 3600
Thu Aug 12 21:44:27 2021 daemon.notice netifd: Interface 'wan' is now up
Thu Aug 12 21:44:27 2021 daemon.info dnsmasq[22238]: reading /tmp/resolv.conf.auto
Thu Aug 12 21:44:27 2021 daemon.info dnsmasq[22238]: using local addresses only for domain test
Thu Aug 12 21:44:27 2021 daemon.info dnsmasq[22238]: using local addresses only for domain onion
Thu Aug 12 21:44:27 2021 daemon.info dnsmasq[22238]: using local addresses only for domain localhost
Thu Aug 12 21:44:27 2021 daemon.info dnsmasq[22238]: using local addresses only for domain local
Thu Aug 12 21:44:27 2021 daemon.info dnsmasq[22238]: using local addresses only for domain invalid
Thu Aug 12 21:44:27 2021 daemon.info dnsmasq[22238]: using local addresses only for domain bind
Thu Aug 12 21:44:27 2021 daemon.info dnsmasq[22238]: using local addresses only for domain lan
Thu Aug 12 21:44:27 2021 daemon.info dnsmasq[22238]: using nameserver xxx.xxx.1.4#53
Thu Aug 12 21:44:27 2021 daemon.info dnsmasq[22238]: using nameserver xxx.xxx.3.11#53
Thu Aug 12 21:44:27 2021 daemon.info dnsmasq[22238]: using nameserver xxx.xxx.64.13#53
Thu Aug 12 21:44:27 2021 user.notice firewall: Reloading firewall due to ifup of wan (eth1)

Kernel log

[356681.832187] ess_edma c080000.edma: eth1: GMAC Link is down
[356682.871532] ess_edma c080000.edma: eth1: GMAC Link is up with phy_speed=100
[356701.591893] ess_edma c080000.edma: eth1: GMAC Link is down
[356703.672874] ess_edma c080000.edma: eth1: GMAC Link is up with phy_speed=100
[356789.991368] ess_edma c080000.edma: eth1: GMAC Link is down
[356792.070953] ess_edma c080000.edma: eth1: GMAC Link is up with phy_speed=100
[356889.587127] ath10k_ahb a000000.wifi: 10.4 wmi init: vdevs: 16  peers: 48  tid: 96
[356889.587174] ath10k_ahb a000000.wifi: msdu-desc: 2500  skid: 32
[356889.622090] ath10k_ahb a000000.wifi: wmi print 'P 48/48 V 16 K 144 PH 176 T 186  msdu-desc: 2500  sw-crypt: 0 ct-sta: 0'
[356889.623045] ath10k_ahb a000000.wifi: wmi print 'free: 53252 iram: 13576 sram: 35752'
[356889.882907] ath10k_ahb a000000.wifi: Firmware lacks feature flag indicating a retry limit of > 2 is OK, requested limit: 4
[356889.883132] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[356889.897294] br-lan: port 3(wlan0) entered blocking state
[356889.899115] br-lan: port 3(wlan0) entered disabled state
[356889.904794] device wlan0 entered promiscuous mode
[356898.780883] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[356898.782933] br-lan: port 3(wlan0) entered blocking state
[356898.786611] br-lan: port 3(wlan0) entered forwarding state
[357036.470245] ess_edma c080000.edma: eth1: GMAC Link is down
[357038.549702] ess_edma c080000.edma: eth1: GMAC Link is up with phy_speed=100
[357043.518686] device wlan0 left promiscuous mode
[357043.518932] br-lan: port 3(wlan0) entered disabled state
[357043.561772] ath10k_ahb a000000.wifi: peer-unmap-event: unknown peer id 0
[357045.486703] ath10k_ahb a000000.wifi: 10.4 wmi init: vdevs: 16  peers: 48  tid: 96
[357045.486747] ath10k_ahb a000000.wifi: msdu-desc: 2500  skid: 32

I actually get the same problem on my FRITZ!Box 4040. But I'm using OpenWrt 19.07.7 r11306-c4a6851c72 / LuCI openwrt-19.07 branch git-21.044.30835-34e0d65 with kernel version 4.14.221.

This is what my system log looks like:

Tue Aug 17 16:18:27 2021 kern.info kernel: [335265.833581] ess_edma c080000.edma: eth1: GMAC Link is down
Tue Aug 17 16:18:27 2021 daemon.notice netifd: Network device 'eth1' link is down
Tue Aug 17 16:18:27 2021 daemon.notice netifd: Interface 'wan' has link connectivity loss
Tue Aug 17 16:18:27 2021 daemon.notice netifd: Interface 'wan6' has link connectivity loss
Tue Aug 17 16:18:27 2021 daemon.notice netifd: wan (27207): udhcpc: received SIGTERM
Tue Aug 17 16:18:27 2021 daemon.notice netifd: Interface 'wan' is now down
Tue Aug 17 16:18:27 2021 daemon.warn dnsmasq[1492]: no servers found in /tmp/resolv.conf.auto, will retry
Tue Aug 17 16:18:27 2021 daemon.notice netifd: Interface 'wan6' is now down
Tue Aug 17 16:18:40 2021 daemon.notice netifd: Network device 'eth1' link is up
Tue Aug 17 16:18:40 2021 daemon.notice netifd: Interface 'wan' has link connectivity
Tue Aug 17 16:18:40 2021 daemon.notice netifd: Interface 'wan' is setting up now
Tue Aug 17 16:18:40 2021 kern.info kernel: [335278.314688] ess_edma c080000.edma: eth1: GMAC Link is up with phy_speed=100
Tue Aug 17 16:18:40 2021 daemon.notice netifd: Interface 'wan6' has link connectivity
Tue Aug 17 16:18:40 2021 daemon.notice netifd: Interface 'wan6' is setting up now
Tue Aug 17 16:18:40 2021 daemon.notice netifd: wan (27534): udhcpc: started, v1.30.1
Tue Aug 17 16:18:40 2021 daemon.notice netifd: wan (27534): udhcpc: sending discover
Tue Aug 17 16:18:43 2021 daemon.notice netifd: wan (27534): udhcpc: sending discover
Tue Aug 17 16:18:44 2021 daemon.notice netifd: wan (27534): udhcpc: sending select for 5.57.242.32
Tue Aug 17 16:18:45 2021 daemon.notice netifd: wan (27534): udhcpc: lease of 5.57.242.32 obtained, lease time 3600
Tue Aug 17 16:18:45 2021 daemon.notice netifd: Interface 'wan' is now up
Tue Aug 17 16:18:45 2021 daemon.info dnsmasq[1492]: reading /tmp/resolv.conf.auto
Tue Aug 17 16:18:45 2021 daemon.info dnsmasq[1492]: using local addresses only for domain test
Tue Aug 17 16:18:45 2021 daemon.info dnsmasq[1492]: using local addresses only for domain onion
Tue Aug 17 16:18:45 2021 daemon.info dnsmasq[1492]: using local addresses only for domain localhost
Tue Aug 17 16:18:45 2021 daemon.info dnsmasq[1492]: using local addresses only for domain local
Tue Aug 17 16:18:45 2021 daemon.info dnsmasq[1492]: using local addresses only for domain invalid
Tue Aug 17 16:18:45 2021 daemon.info dnsmasq[1492]: using local addresses only for domain bind
Tue Aug 17 16:18:45 2021 daemon.info dnsmasq[1492]: using local addresses only for domain lan
Tue Aug 17 16:18:45 2021 daemon.info dnsmasq[1492]: using nameserver 8.8.8.8#53
Tue Aug 17 16:18:45 2021 daemon.info dnsmasq[1492]: using nameserver 1.1.1.1#53
Tue Aug 17 16:18:45 2021 user.notice firewall: Reloading firewall due to ifup of wan (eth1)
Tue Aug 17 16:19:14 2021 kern.info kernel: [335312.633090] ess_edma c080000.edma: eth1: GMAC Link is down
Tue Aug 17 16:19:14 2021 daemon.notice netifd: Network device 'eth1' link is down
Tue Aug 17 16:19:14 2021 daemon.notice netifd: Interface 'wan' has link connectivity loss
Tue Aug 17 16:19:14 2021 daemon.notice netifd: Interface 'wan6' has link connectivity loss
Tue Aug 17 16:19:14 2021 daemon.notice netifd: wan (27534): udhcpc: received SIGTERM
Tue Aug 17 16:19:14 2021 daemon.notice netifd: Interface 'wan' is now down
Tue Aug 17 16:19:14 2021 daemon.warn dnsmasq[1492]: no servers found in /tmp/resolv.conf.auto, will retry
Tue Aug 17 16:19:14 2021 daemon.notice netifd: Interface 'wan6' is now down
Tue Aug 17 16:19:27 2021 daemon.notice netifd: Network device 'eth1' link is up
Tue Aug 17 16:19:27 2021 daemon.notice netifd: Interface 'wan' has link connectivity
Tue Aug 17 16:19:27 2021 daemon.notice netifd: Interface 'wan' is setting up now
Tue Aug 17 16:19:27 2021 daemon.notice netifd: Interface 'wan6' has link connectivity
Tue Aug 17 16:19:27 2021 daemon.notice netifd: Interface 'wan6' is setting up now
Tue Aug 17 16:19:27 2021 kern.info kernel: [335325.112624] ess_edma c080000.edma: eth1: GMAC Link is up with phy_speed=100
Tue Aug 17 16:19:27 2021 daemon.notice netifd: wan (27677): udhcpc: started, v1.30.1
Tue Aug 17 16:19:27 2021 daemon.notice netifd: wan (27677): udhcpc: sending discover
Tue Aug 17 16:19:30 2021 daemon.notice netifd: wan (27677): udhcpc: sending discover
Tue Aug 17 16:19:30 2021 daemon.notice netifd: wan (27677): udhcpc: sending select for 5.57.242.32
Tue Aug 17 16:19:31 2021 daemon.notice netifd: wan (27677): udhcpc: lease of 5.57.242.32 obtained, lease time 3600
Tue Aug 17 16:19:31 2021 daemon.notice netifd: Interface 'wan' is now up
Tue Aug 17 16:19:31 2021 daemon.info dnsmasq[1492]: reading /tmp/resolv.conf.auto
Tue Aug 17 16:19:31 2021 daemon.info dnsmasq[1492]: using local addresses only for domain test
Tue Aug 17 16:19:31 2021 daemon.info dnsmasq[1492]: using local addresses only for domain onion
Tue Aug 17 16:19:31 2021 daemon.info dnsmasq[1492]: using local addresses only for domain localhost
Tue Aug 17 16:19:31 2021 daemon.info dnsmasq[1492]: using local addresses only for domain local
Tue Aug 17 16:19:31 2021 daemon.info dnsmasq[1492]: using local addresses only for domain invalid
Tue Aug 17 16:19:31 2021 daemon.info dnsmasq[1492]: using local addresses only for domain bind
Tue Aug 17 16:19:31 2021 daemon.info dnsmasq[1492]: using local addresses only for domain lan
Tue Aug 17 16:19:31 2021 daemon.info dnsmasq[1492]: using nameserver 8.8.8.8#53
Tue Aug 17 16:19:31 2021 daemon.info dnsmasq[1492]: using nameserver 1.1.1.1#53
Tue Aug 17 16:19:31 2021 user.notice firewall: Reloading firewall due to ifup of wan (eth1)
Tue Aug 17 16:22:05 2021 daemon.err uhttpd[818]: luci: accepted login on / for root from 192.168.1.156

I'm doing nothing else than working and I've had this problem for some weeks now. But it's very intermittent, some days everything works fine and some, like today, I have problems every 20 minutes.

I managed to solve the problem by installing OpenWrt 19.07.8 r11364-ef56c85848 / LuCI openwrt-19.07 branch git-21.189.23240-7b931da so for now it seems to be working.

I have same version of OpenWRT, tried to reflash it by downloading upgrade firmware from official site for my router, but same problems persists.

You could try to downgrade your router until a newer version has come out. Or you could try to upgrade to the latest experimental version. Either way it would be best if you left the current version for now, unless you get a more qualified answer. :slight_smile:

1 Like

Flashed OpenWrt 21.02.0-rc4 r16256-2d5ee43dc6 / LuCI openwrt-21.02 branch git-21.188.55099-e52e1de for testing purpose, sadly my problem still exists.

Fri Aug 20 10:24:30 2021 kern.info kernel: [  675.287741] ess_edma c080000.edma eth1: Link is Down
Fri Aug 20 10:24:30 2021 daemon.notice netifd: Network device 'eth1' link is down
Fri Aug 20 10:24:30 2021 daemon.notice netifd: Interface 'wan' has link connectivity loss
Fri Aug 20 10:24:33 2021 daemon.notice netifd: Network device 'eth1' link is up
Fri Aug 20 10:24:33 2021 daemon.notice netifd: Interface 'wan' has link connectivity
Fri Aug 20 10:24:33 2021 kern.info kernel: [  678.408205] ess_edma c080000.edma eth1: Link is Up - 100Mbps/Full - flow control off
Fri Aug 20 10:24:36 2021 kern.info kernel: [  680.487745] ess_edma c080000.edma eth1: Link is Down
Fri Aug 20 10:24:36 2021 daemon.notice netifd: Network device 'eth1' link is down
Fri Aug 20 10:24:36 2021 daemon.notice netifd: Interface 'wan' has link connectivity loss
Fri Aug 20 10:24:38 2021 daemon.notice netifd: Network device 'eth1' link is up
Fri Aug 20 10:24:38 2021 daemon.notice netifd: Interface 'wan' has link connectivity
Fri Aug 20 10:24:38 2021 kern.info kernel: [  682.568561] ess_edma c080000.edma eth1: Link is Up - 10Mbps/Full - flow control off

Notice that in the end WAN interface eth1 negotiated 10Mbps/Full.

Then I setup old tp-link router as my main router and connected AC58U WAN to it. Now speedtest runs fine, no WAN crash on AC58U. So probably it's my providers shenanigans.

Now that you mention it I saw in my System Log that my WAN port did "Link is up with phy_speed=100" even though my router supports Gigabit speed on both WAN and LAN. My ISP also commented on this. I wonder why the throttle down, where is the problem, if it is a problem? I have fiber 100/100 but since my ISP commented it it should still connect with higher speed, I guess.

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