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Date:   Thu, 4 Aug 2022 11:47:27 -0500
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To:     linux-wireless@vger.kernel.org, regressions@lists.linux.dev,
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From:   dmkgrim80 <dmkgrim80@gmail.com>
Subject: intel ax200 problem after iwlwifi source change from 5.6 to
 5.7,current
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Hello I have a issue I would like resolved


            Hi, I have a intel AX200 m.2 installed in a old Acer Aspire 
E15 E5-553-11PT

I am having some issues with kernels newer than 5.4 and possibly 5.6.

I am using  longterm 5.4.x kernel and it works I have examined the code 
for longterm and stable kernels.

Some kernels give me ADVANCED_SYSASSERT which if I understand is 
firmware crash.


Willing to try and do testing to get my intel AX200 on my laptop till 
its working.

I have tried using git for kernel code but the kernel code seems bugged 
or something.

I can compile kernels on my slackware 15 and debian 11.3 that wont 
compile in git for some reason.

using longterm kernel 5.4.x at moment which the intel AX200 on my laptop 
likes.

git bisect kernels is time consuming been trying it with previous 
unsuccessful results.

I also have a desktop Asus motherboard with built in intel AX200 same 
revision and model 01a and

0x2723, 0x0084 the desktop works with differing results it works on 
5.10,5.15 and newer

though I recently got ahold of 0x0080 and 0x4080 hardware a netel and 
deal4go manufacture intel AX200 with same results on laptop so its 
either code or my laptop or both. Dont have financial means to test 
other laptops with m.2 wifi/bluetooth. as is sending back 2 
wifi/bluetooth adapters.


Im no good with git and bisect nor am I a programmer though took some 
classes. tried git clone couldnt get kernel 5.6 to either make or 
install modules. the kernel code in drv.c of 
kernel/drivers/net/wireless/intel/iwlwifi/pcie/


Works in Windows 10,linux kernel 5.4.x and iwlwifi code is same from 5.4 
to 5.6 and longterm 5.4.x has the good code.Differs starting 5.7 till 
mainline or stable and my Laptop with intel AX200 m.2 installed will not 
work.


I have intel 7265 m.2 card and a old original m.2 wifi/bluetooth device 
qualcom atheros card the laptop came with.

both work kernels 5.10.x,5.15.x,5.18.x

https://bugzilla.kernel.org/show_bug.cgi?id=216058

https://www.linuxquestions.org/questions/debian-26/wifi-problems-intel-ax200-bullseye-11-3-a-4175711770/

https://community.intel.com/t5/Wireless/problem-with-intel-ax200-rev-1a-and-linux/m-p/1384652

https://www.linuxquestions.org/questions/linux-networking-3/trying-to-get-intel-ax200-wifi-card-to-work-in-debian-11-a-4175704711/

intel ax200 m.2 key E stops working after kernel 5.4.x longterm which 
uses the same iwlwifi code

as 5.6.x kernel after that kernel wifi will either give 
ADVANCED_SYSASSERT or mac address issues and the ax200 wifi adapter will 
not work. tried multiple ax200


Thanks for your time.