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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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Intel WiFi 6E (midwest.social)

submitted 8 months ago* (last edited 8 months ago) by [email protected] to c/[email protected]

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Hi, I'm running Linux Mint 21.3 with kernel 6.5.0-21 on a Lenovo Thinkpad T14 gen 2 with an AMD Ryzen 7 CPU, and most relevant to my question, an Intel AX210 WiFi controller.

It connects just fine to 2.4GHz and 5GHz networks, but about 90% of the time it cannot see my 6GHz network, which is operating on a separate SSID. Sometimes it apparently randomly will see the 6GHz network, and it will connect and work fine until the next time the computer goes to sleep, after which it will only see 2.4/5GHz networks again.

I've been messing around trying to troubleshoot it, which led me to installing wavemon, and I discovered that if I run wavemon with elevated permissions and make it scan for networks it will see the 6GHz network, and when that happens it immediately becomes available to choose through Cinnamon's GUI, and it will work fine again until the next time the computer sleeps. If I run wavemon again after waking from sleep and make it scan for networks, 6GHz functionality will work again.

Anyone know what's going on here? I should add that I am in the US where the 6GHz band is legal and should be enabled in the Intel iwlwifi driver. It's almost like something needs to happen to trigger the 6GHz radio into waking up or something.

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[–] [email protected] 3 points 8 months ago (1 children)

Check with a newer Linux kernel. Starting with v6.6 my Mediatek-based WiFi started seeing 6GHz channels.

[–] [email protected] 2 points 8 months ago

Interesting - I’ll try that as soon as a 6.6 kernel becomes available in Mint. Seems like 6.5.0-21 is the newest they offer right now.