I’ve recently been experiencing issues with my wifi connection, in the sense that downloads come to an halt every few seconds. I cannot pinpoint exactly after which update things went wrong simply because I originally thought I had broadband issues. After double-checking with another computer, it seems like the problem is isolated to the desktop workstation.
Any idea?
Couple of quick things.
- Disable IPv6:
Add these lines to /etc/dhcpcd.conf
noipv6rs
noipv6
Then reboot
- Disable the power saving on the WLAN card:
sudo iw dev wlan0 set power_save off
Wouldn’t recommend disabling ipv6 especially without knowing who their service provider is. I know T Mobile is ipv6 only especially if you have their cellular or whatever their cellular equivalent home service is. This will essentially mean you have not internet access.
@LDC
Hard to have any idea without any clue as to the hardware involved or logs. How do you expect anyone to help with literally no information. 
@d-air1 As default I believe the T-Mobile routers have IPv4 NAT traversal configured on the LAN/WiFi side that is translated to IPv6 on the carrier side, as not all devices support IPv6 (that and it is a nightmare to work with, no idea why they just didn’t add 2, or 4 more octets to IPv4 and it would have also been backwards compatible… rant over… I still have the scars 
).
thank you all for your contributions. @ricklinux you are right, apologies, jet-lag isn’t healthy for my brain.
Anyway, after trying all the standard procedures I simply recompiled the driver (TrendTech WIFI adapter) and changed USB port for extra zeal. Now the connection seems back to stability, however, when compiling, I noticed a few weird errors being reported, perhaps there is a link between what has happened and the errors?
Signing key: /var/lib/dkms/mok.key
Public certificate (MOK): /var/lib/dkms/mok.pub
find: ‘standard output’: Broken pipe
find: write error
Cleaning build area... done.
Building module(s).......... done.
Signing module /var/lib/dkms/rtl88x2bu/5.13.1/build/88x2bu.ko
Cleaning build area... done.
find: ‘standard output’: Broken pipe
find: write error
find: ‘standard output’: Broken pipe
find: write error
find: ‘standard output’: Broken pipe
find: write error
find: ‘standard output’: Broken pipe
find: write error
Installing /usr/lib/modules/6.12.3-arch1-1/updates/dkms/88x2bu.ko.zst
Running depmod... done.
Unloading the rtw88_8822bu in-kernel driver
I think the error messaging is just in the process. Broken pipe means it’s got something wrong in the build code maybe? It still seems to be doing it’s job bypassing the error to complete the build. I’m not a coder so i wouldn’t be able to confirm anything. At least i can see that your hardware is
using rtw88_8822bu module. That is what i was referring to. If you could have posted your hardware in the beginning or at least the networking components for WiFi and Ethernet with these commands.
inxi -Faz | eos-sendlog (post the url)
or
inxi -Na (post the output)
This would have been much more helpful knowing the hardware.
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