On Fri, Feb 14, 2025 at 09:32:25AM +0700, Max Nikulin wrote:
> Something might change outside your machine: you installed another 
> router, more devices have been added to your wifi network, including 
> ones actively using multicast (IPTV), some of your neighbors installed 
> new access point working with higher power on the same channel...

Nothing I can recall.

> I have seen various recipes, but I have not tried them, so unsure 
> concerning real effect: explicitly disable 802.11a and 802.11b low 
> bitrate modes, try fixed frequency instead of autoselect, disable dual 
> frequency channel mode on 2.4GHz band.

I tinkered a little with the settings, to no avail. Of course, not 
knowing what I'm looking for I may have missed something important...

> I assume, you have tried backports kernel and latest firmware.

Yes. I'm on sid with linux-image-6.12.15-amd64 version 6.12.15-1 and 
firmware-carl9170 version 1.9.9-450-gad1c721+dfsg-0.1.


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