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Linux Intel WiFi driver broken with 5&6GHz bands for longer than three years

bugzilla.kernel.org

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Re: Linux Intel WiFi driver broken with 5&6GHz bands for longer than three years

#51

Post by CameronNemo »

ChuckNorris89 wrote: post #7

Ironically, I run a machine with a Realtek Wifi 6 chip and it works great on Linux, despite everything I read online was that Realtek is to be avoided on Linux and Intel should be the go-to. In a similar fashion, I was also luckier with Nvidia proprietary drivers on Linux than with AMD open source drivers. Seems like HW on Linux really is a box of chocolates, you never know what you're gonna get.

The problem with realtek chipsets is that many of them just have no in-kernel driver, so you have to use some questionably maintained out of tree driver from github or whatever.

Soundslike you got one of the chipsets that has in-kernel support, so that is good.

Re: Linux Intel WiFi driver broken with 5&6GHz bands for longer than three years

#52

Post by CameronNemo »

StrangeATractor wrote: post #33

Ahh, that's about the time IIRC that Dell started soldering in their wireless chips on the XPS 13. Previously you could swap them out for a different chip with better drivers, now you're stuck.

Embarrassing decision. All in the pursuit of a slightly thinner chassis, I imagine.

Re: Linux Intel WiFi driver broken with 5&6GHz bands for longer than three years

#53

Post by miiiiiike »

This frustrated me for over a year. I moved to a house and wanted to give my gf a reprieve from the wires I used to run through our apartments. But, I’ve been dealing with connection drops and speeds of around 1.2 Mbps.

I figured it was the walls until I setup a “slow” 2G network for an old printer and my PC was at full speed when connected to it. Figured out that it was a driver issue a few weeks ago. This is a problem I haven’t had since around 2000. Never would have guessed that the device I chose for compatibility and support would have a driver that flakey.

Re: Linux Intel WiFi driver broken with 5&6GHz bands for longer than three years

#54

Post by jeffbee »

smallerfish wrote: post #31

Not related to wifi, but Intel broke the IPU6 webcam on Linux also. I have a Dell XPS13 - on the initial Ubuntu they shipped with, it was working, but after a dist-upgrade it stopped. There's lots of traffic out there, with some reports that it started working again with the 6.1 kernel, but on mine (with Dell drivers and 6.2 kernel) it's broken. There was another Intel related issue with this laptop also; the gpu wou…

Chromebooks are the only laptops you can usually expect to work correctly and integrate every peripheral with Linux. Which, no surprise, is why IPU6 cameras work on Chromebooks. It's open source and everything.

https://source.chromium.org/chromiumos/chromiumos/codesearch...

The reason these things are often broken on Ubuntu and the other distros is simply that the governance and organization of those projects is not incentivized to ship a working product.

Re: Linux Intel WiFi driver broken with 5&6GHz bands for longer than three years

#55

Post by pnutjam »

ChuckNorris89 wrote: post #7

Ironically, I run a machine with a Realtek Wifi 6 chip and it works great on Linux, despite everything I read online was that Realtek is to be avoided on Linux and Intel should be the go-to. In a similar fashion, I was also luckier with Nvidia proprietary drivers on Linux than with AMD open source drivers. Seems like HW on Linux really is a box of chocolates, you never know what you're gonna get.

I've been happily running KDE Neon with Nvidia drivers, last set of updates had some weird dependancies and I powered through by removing and replacing the conflicts...

Took me 3 days to get back to a GUI at boot, turns out I needed to delete the xorg.conf file.

Re: Linux Intel WiFi driver broken with 5&6GHz bands for longer than three years

#56

Post by mjevans »

stefan_ wrote: post #50
csdvrx wrote: post #19

Earlier quoted context omitted.

Is there a patch for the kernel 6 line to add back the lar_disable functionality?

This was the patch that removed it: https://github.com/torvalds/linux/commit/f06021a18fcf8d8a1e7... But this commit message is burying the lede a bit. There are two problems here: 1) you can revert the change, but a large part of the regulatory logic lives in the firmware blob running on the chip and you can not change this. 2) the FCC doesn't look kindly upon functionality that ignores regulatory limits being availa…

But what if someone moves or simply uses hardware in a different region that's sold? What if the laws change?

The correct 'work around' is to build a kernel with a DEFAULT regulatory domain, abstract from any vendor's specific implementation, allow that domain to be updated at runtime (particularly for mobile devices), and follow the laws there in. I also advocate (in this post) for wifi_regulations=BREAKTHELAWANDDISABLE (allcaps required) to completely bypass filtering channels. This would be useful in some situations such as isolated testing environments, use in International Waters, and any other environment that's isolated enough.

Re: Linux Intel WiFi driver broken with 5&6GHz bands for longer than three years

#58

Post by amiga-workbench »

ajsnigrutin wrote: post #40
amiga-workbench wrote: post #14

I'm so relieved to find that its not just me going crazy all this time. Its gotten so bad that I've had to install a bloody MediaTek WiFi card in my ThinkPad just to make it work reliably. I remember when the 8000 series radios were the gold standard for mobile wireless, all the newer AX cards have been nothing but pain and suffering.

Ok, a weird question... is it a Mediatek MT7612U (usb dongle)? Do you get a GPS fix nearby (~0.5m) of that card (eg. on your phone next to it)? Due to some work i had ~6 of those dongles (Alfa AWUS036ACM), and all of them put out some noise in the gps range and break my gps connection the second they're plugged into the usb port (without any ifconfig up-ing them, setting a channel or connecting anywhere).

MT7921 M.2 card, I've not noticed any interference, but I've also not been actively checking for that.

Re: Linux Intel WiFi driver broken with 5&6GHz bands for longer than three years

#59

Post by the_pwner224 »

boppo1 wrote: post #57

Ouch, I just bought a gigabyte b650 because reddit told me the intel wifi would play nicer with ubuntu than a realtek card. I don't know who to believe anymore.

This bug is for using the Intel card as a WiFi access point. For using it as a WiFi client, Intel cards still "just work," and there aren't any other good WiFi options afaik. Realtek and Broadcom do suck. Atheros used to be good a long time ago with ath9k, but I don't think they're really around anymore (?).

Re: Linux Intel WiFi driver broken with 5&6GHz bands for longer than three years

#60

Post by jeroenhd »

boppo1 wrote: post #57

Ouch, I just bought a gigabyte b650 because reddit told me the intel wifi would play nicer with ubuntu than a realtek card. I don't know who to believe anymore.

In my experience, the Intel WiFi drivers work fine, unless you want to set up an access point.

Still kind of crappy, but my experience with Broadcom is so bad that I'd rather lack the 160MHz channels (and use 80MHz) than try to get Broadcom's drivers to work right.

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