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Hello, I have this issue. I readed some other posts but none of them worked for me. I've already tried reinstalling netctl, wpa_supplicant, dialog, dhdpcd, even networkmanager (and also tried uninstalling all of the previous packages except networkmanager) but nothing seems to help.
I am newbie so I don't know what may be causing this: first time on Arch, first time on Linux as well (I think is the best way to learn). While I'm writing this, Wi-Fi disconnected 3 times, I just do 'nmcli con up' and solve it for a while, or I just simply reboot, but it is really hard to work like this. Hope you guys can help me, I will be providing the info you need. Thanks in advance.
Last edited by ClashReecon (2020-09-10 13:45:49)
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Please post in [ code ] [ /code ] blocks the output of...
$ systemctl list-unit-files --state=enabled
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...and
sudo journalctl -b
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Here you have.
systemctl list-unit-files --state=enabled
UNIT FILE STATE VENDOR PRESET
getty@.service enabled enabled
lightdm.service enabled disabled
NetworkManager-dispatcher.service enabled disabled
NetworkManager-wait-online.service enabled disabled
NetworkManager.service enabled disabled
remote-fs.target enabled enabled
6 unit files listed.
Output of jounalctl -b: https://pastebin.com/90x29ASg
Last edited by ClashReecon (2020-09-10 15:10:05)
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Intel wifi firmware crashes hooray
Though I admittedly have never seen that specific chip/driver being used so that's kind of a special thing, and apparently that particular firmware hasn't been touched in 11 years so it's unlikely to be an issue with more recent firmware shenanigans.
As a quick test I'd say try the LTS kernel. If you want to go into this deeper you might have to open a kernel bug report or, post to the linux wireless mailing list with the traces from the journal
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Tried LTS kernel but WiFi keeps getting disconnected.
I did
sudo journalctl -p 3 -xb
and I readed something about microcode.
-- Logs begin at Wed 2020-08-26 20:40:44 -03, end at Fri 2020-09-11 10:12:36 -03. --
Sep 10 15:20:41 Archlinux kernel: ACPI BIOS Error (bug): Could not resolve symbol [\_SB._OSC.CDW1], AE_NOT_FOUND (20190816/psargs-330)
Sep 10 15:20:41 Archlinux kernel: ACPI Error: Aborting method \_SB._OSC due to previous error (AE_NOT_FOUND) (20190816/psparse-529)
Sep 10 15:31:26 Archlinux sudo[508]: pam_unix(sudo:auth): conversation failed
Sep 10 15:31:26 Archlinux sudo[508]: pam_unix(sudo:auth): auth could not identify password for [arch]
Sep 10 16:25:13 Archlinux kernel: iwl4965 0000:02:00.0: Microcode SW error detected. Restarting 0x82000000.
So I removed intel-ucode, and it works!
As I said I'm newbie but I readed the wiki and know this may not be the best solution. As for now, I'm still not having troubles with Wi-Fi anymore. How bad could be not having Microcode installed?
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hmm the cpu microcode and the wifi microcode shouldn't inherently be related but still possible that some change here makes the wifi driver trip up. How bad not having it installed can be can depend, just in general you'll be more vulnerable to the spectre, MDS ... CPU vulnerabilities, and depending on what exactly got fixed you might have crashes in other programs (... fwiw my system had a broken microcode when I initially built it that could lead to crashes in libc when certain multithreaded usage was happening, so pretty much any program at all had a chance to crash)
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