Very high ping when playing games on WiFi with CachyOS 7.1.8
I installed battle.net / World of Warcraft today and have been playing for a few hours. At first it was fine, with the in-game latency showing ~20-30ms when on WiFI.
However, about a hour in I noticed it had jumped up to 1-2 seconds.
I restarted the game, but same problem. Doing a full laptop restart seemed to fix it, but only for a hour or so ago - the problem came back.
I did a ping test from shell:
ping 8.8.8.8
PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.
64 bytes from 8.8.8.8: icmp_seq=1 ttl=112 time=95.1 ms
64 bytes from 8.8.8.8: icmp_seq=2 ttl=112 time=186 ms
64 bytes from 8.8.8.8: icmp_seq=3 ttl=112 time=53.6 ms
64 bytes from 8.8.8.8: icmp_seq=4 ttl=112 time=54.4 ms
64 bytes from 8.8.8.8: icmp_seq=5 ttl=112 time=134 ms
I tried this same ping test on my Debain 13 desktop PC and got ~9-10ms. I also tested my ping on my cellphone connected to wifi, ~20ms there.
I've had CachyOS for a few days now. Prior I had Windows 11, and never had any WiFi issues with Windows. So I don't think it's a problem with the laptop either; it seems specific to CachyOS or at least this latest kernel release.
I did go in and disable the power saving for the wifi.
wifi.powersave = 2
in /etc/NetworkManager/conf.d/default-wifi-powersave-on.conf
but this doesn't seem to help.
After having WoW off for about 20 minutes now, the ping test on the laptop seems to return to normal.. getting ~10m now. So it does recover eventually, but this has been frustrating. I've been debating switching back to Windows and/or another distro entirely, but I'd rather not since I've been enjoying CachyOS otherwise.. but not sure what else to do at this point.
Hardware:
ASUS ROG Zephyrus G15
AMD Ryzen 9 6900HS
04:00.0 Network controller: Intel Corporation Dual Band Wireless-AC 3168NGW [Stone Peak] (rev 10)
Router:
ASUS RT-BE88U
EDIT: I'm looking at dmesg and see some interesting data
I'm seeing what appears to be some kind of PCI bus error/
[17753.866326] pcieport 0000:00:01.1: AER: Correctable error message received from 0000:01:00.0
[17753.866341] nvidia 0000:01:00.0: PCIe Bus Error: severity=Correctable, type=Data Link Layer, (Receiver ID)
[17753.866346] nvidia 0000:01:00.0: device [10de:2520] error status/mask=00000040/0000a000
[17753.866350] nvidia 0000:01:00.0: [ 6] BadTLP
as well as constant "UFW BLOCK" spam, what appears to be some kind of UFW multicast/mDNS flooding.