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I looked and read through the other topics about iwlwifi and the Intel 6 AX201 (or similar), and yet I cannot find a final answer to this.

In my case I've done some research and troubleshooting on my own, arriving to weird conclusions.

In my case, on Ubuntu 22.04 LTS, my wifi works but at same point, randomly without anything specific happening (usually once a day), wifi just disappears.What I mean is that Ubuntu says there's no wifi adpater.

Lshw returns network unclaimed, and looking online, I found that removing iwlmvm and iwlwifi with rmmod, and then reloading them with modprobe, then lshw returns the network adapter as claimed, and also lspci shows me the adapter correctly.

Unloading and reloading the kernel modules works the first time my network goes down, but then shortly after it goes down again. Ubuntu says no network adapter, but this second time it's claimed with lshw, visible in lspci, modules are all there, unloading and reloading them leads to no solution, BUT if I do a rfkill list I can see only the Bluetooth and not the WiFi (that is visible in there when it works). Only way is rebooting.

Grepping dmesg for iwlwifi, I can see the firmware loaded is QuZ-a0-hr-b0-66.ucode

I already tried renaming it so it's not used, another version gets used but the problem happens again.

Does anyone has any idea or suggestion? I don't understand how Ubuntu says there's no network adapter but I can see it claimed in lshw and listed in lspci. It's there and seen, but somehow not getting used as valid wifi adapter, and not listed in rfkill list.

opoloko
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1 Answers1

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After now weeks, I can confirm (as I did in the chat) that the problem disappeared once I got rid of gnome related stuff. I first moved to Sway still managed by Gnome, and I noticed the problem was not happening as often, just very rarely. I fell in love with Sway so much that eventually I now disabled even GDM so I manage everything directly from shell. I boot in my user, simply launch directly Sway (so I'm on a barebone wayland with just Sway and without any related gnome stuff in background), and the problem disappeared completely. My feeling is that something related to network management of the Gnome system was working not too well with the wifi adapter. Got rid of Gnome completely, and network is super stable (without even saying how much faster and lighter is everything). So my solution was: get rid of Gnome.

opoloko
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