# Bad wifi connection after installing **URL:** \ **Category:** Kernel, boot, graphics & hardware\ **Created:** [March 24, 2022, 9:26am UTC](https://forum.endeavouros.com/t/bad-wifi-connection-after-installing/25298 "2022-03-24T09:26:59Z")\ **Posts on this page:** 14\ **Page:** 1
**Author:** ![crocus](https://forum.endeavouros.com/letter_avatar_proxy/v4/letter/c/b5e925/32.png) [@crocus](https://forum.endeavouros.com/u/crocus)\ **Post date:** [March 24, 2022, 9:26am UTC](https://forum.endeavouros.com/t/bad-wifi-connection-after-installing/25298/1 "2022-03-24T09:26:59Z")
After installation, I was faced with the fact that the connection quality became very poor. Many sites do not want to load, the programs that I download via pacman download very slowly, although other devices work very well. Who knows how to fix this problem? Maybe I can change something in the configuration files. I will be grateful for any help. Kernel version: 5.16.15-arch1-1 ---
**Author:** ![Lemon](https://forum.endeavouros.com/user_avatar/forum.endeavouros.com/lemon/32/4334_2.png) [@Lemon](https://forum.endeavouros.com/u/Lemon)\ **Post date:** [March 24, 2022, 11:37am UTC](https://forum.endeavouros.com/t/bad-wifi-connection-after-installing/25298/2 "2022-03-24T11:37:38Z")
First of all, we need some hardware info: ```auto inxi -Fxxc0z --no-host | eos-sendlog ``` ---
**Author:** ![crocus](https://forum.endeavouros.com/letter_avatar_proxy/v4/letter/c/b5e925/32.png) [@crocus](https://forum.endeavouros.com/u/crocus)\ **Post date:** [March 24, 2022, 12:36pm UTC](https://forum.endeavouros.com/t/bad-wifi-connection-after-installing/25298/3 "2022-03-24T12:36:29Z")
Sure, [https://clbin.com/6OJiZ](https://clbin.com/6OJiZ) ---
**Author:** ![Lemon](https://forum.endeavouros.com/user_avatar/forum.endeavouros.com/lemon/32/4334_2.png) [@Lemon](https://forum.endeavouros.com/u/Lemon)\ **Post date:** [March 24, 2022, 2:03pm UTC](https://forum.endeavouros.com/t/bad-wifi-connection-after-installing/25298/4 "2022-03-24T14:03:13Z")
I don’t have a solution, but have the same wifi module in an old Dell laptop, It was working okay in the past but have issues like you have. It should work since the driver is in the kernel since 3.17 [https://linux-hardware.https://linux-hardware.org/?id=pci:168c-0036-11ad-0612&page=1#statusorg/?id=pci:168c-0036-11ad-0612&page=1#status](https://linux-hardware.org/?id=pci:168c-0036-11ad-0612&page=1#status) I ditched Arch (on that specific laptop) and installed Fedora to see if this would make a change and it does. ---
**Author:** ![Lemon](https://forum.endeavouros.com/user_avatar/forum.endeavouros.com/lemon/32/4334_2.png) [@Lemon](https://forum.endeavouros.com/u/Lemon)\ **Post date:** [March 24, 2022, 2:27pm UTC](https://forum.endeavouros.com/t/bad-wifi-connection-after-installing/25298/5 "2022-03-24T14:27:46Z")
It seems like a bug in the latest kernel version. [https://bugzilla.kernel.org/show\_bug.cgi?id=215703](https://bugzilla.kernel.org/show_bug.cgi?id=215703) For now you may want to downgrade the kernel to 15.16.14. ---
**Author:** ![CMarch](https://forum.endeavouros.com/user_avatar/forum.endeavouros.com/cmarch/32/717_2.png) [@CMarch](https://forum.endeavouros.com/u/CMarch)\ **Post date:** [March 26, 2022, 1:22pm UTC](https://forum.endeavouros.com/t/bad-wifi-connection-after-installing/25298/6 "2022-03-26T13:22:00Z")
Same problem here. ```auto Qualcomm Atheros AR9485 Wireless Network Adapter driver: ath9k ``` journalctl log full of: ```auto Mar 25 14:43:45 rock NetworkManager[420]: [1648233825.0758] dhcp4 (wlan0): state changed new lease, address=192.168.1.64 Mar 25 14:43:48 rock NetworkManager[420]: [1648233828.1154] dhcp6 (wlan0): state changed new lease, address=2600:1700:5f40:f3d0::544 Mar 25 14:44:05 rock NetworkManager[420]: [1648233845.7751] dhcp4 (wlan0): canceled DHCP transaction Mar 25 14:44:05 rock NetworkManager[420]: [1648233845.7752] dhcp4 (wlan0): activation: beginning transaction (timeout in 45 seconds) Mar 25 14:44:05 rock NetworkManager[420]: [1648233845.7752] dhcp4 (wlan0): state changed no lease Mar 25 14:44:05 rock NetworkManager[420]: [1648233845.7757] dhcp6 (wlan0): canceled DHCP transaction Mar 25 14:44:05 rock NetworkManager[420]: [1648233845.7757] dhcp6 (wlan0): activation: beginning transaction (timeout in 45 seconds) Mar 25 14:44:05 rock NetworkManager[420]: [1648233845.7757] dhcp6 (wlan0): state changed no lease Mar 25 14:57:01 rock NetworkManager[420]: [1648234621.1443] dhcp4 (wlan0): activation: beginning transaction (timeout in 45 seconds) Mar 25 14:57:01 rock NetworkManager[420]: [1648234621.1570] dhcp4 (wlan0): state changed new lease, address=192.168.1.64 Mar 25 14:57:03 rock NetworkManager[420]: [1648234623.4519] dhcp6 (wlan0): activation: beginning transaction (timeout in 45 seconds) Mar 25 14:57:15 rock NetworkManager[420]: [1648234635.1325] dhcp6 (wlan0): state changed new lease, address=2600:1700:5f40:f3d0::544 Mar 25 15:26:37 rock NetworkManager[420]: [1648236397.5000] dhcp4 (wlan0): canceled DHCP transaction Mar 25 15:26:37 rock NetworkManager[420]: [1648236397.5001] dhcp4 (wlan0): activation: beginning transaction (timeout in 45 seconds) Mar 25 15:26:37 rock NetworkManager[420]: [1648236397.5001] dhcp4 (wlan0): state changed no lease Mar 25 15:26:37 rock NetworkManager[420]: [1648236397.5006] dhcp6 (wlan0): canceled DHCP transaction Mar 25 15:26:37 rock NetworkManager[420]: [1648236397.5006] dhcp6 (wlan0): activation: beginning transaction (timeout in 45 seconds) Mar 25 15:26:37 rock NetworkManager[420]: [1648236397.5006] dhcp6 (wlan0): state changed no lease ``` Even the current LTS will not solve this WiFi problem. I downgraded to a known good LTS 5.4.187-1-lts and everything works. ( Thank you @jonathon ). There are several reports of problems with the latest few kernel releases. I’ll just stay on this release for a while. No other WiFi devices are having problems, router is OK, Internet feed to home is OK. ---
**Author:** ![Lemon](https://forum.endeavouros.com/user_avatar/forum.endeavouros.com/lemon/32/4334_2.png) [@Lemon](https://forum.endeavouros.com/u/Lemon)\ **Post date:** [March 26, 2022, 3:20pm UTC](https://forum.endeavouros.com/t/bad-wifi-connection-after-installing/25298/7 "2022-03-26T15:20:58Z")
You didn’t try to downgrade the kernel to 15.16.14? ---
**Author:** ![CMarch](https://forum.endeavouros.com/user_avatar/forum.endeavouros.com/cmarch/32/717_2.png) [@CMarch](https://forum.endeavouros.com/u/CMarch)\ **Post date:** [March 26, 2022, 4:24pm UTC](https://forum.endeavouros.com/t/bad-wifi-connection-after-installing/25298/8 "2022-03-26T16:24:13Z")
No. I had been trying all sorts of “Internet advised fixes” all day and no luck. I was tired of fooling around so I went directly to 5.4 which I knew was long before the problem started. “I did not pass Go and did not collect $200.” 🎩 ---
**Author:** ![ricklinux](https://forum.endeavouros.com/user_avatar/forum.endeavouros.com/ricklinux/32/110798_2.png) [@ricklinux](https://forum.endeavouros.com/u/ricklinux)\ **Post date:** [March 26, 2022, 4:37pm UTC](https://forum.endeavouros.com/t/bad-wifi-connection-after-installing/25298/9 "2022-03-26T16:37:59Z")
Are you running it with ```auto "options ath9k nohwcrypt=1" ``` ---
**Author:** ![Lemon](https://forum.endeavouros.com/user_avatar/forum.endeavouros.com/lemon/32/4334_2.png) [@Lemon](https://forum.endeavouros.com/u/Lemon)\ **Post date:** [March 26, 2022, 5:33pm UTC](https://forum.endeavouros.com/t/bad-wifi-connection-after-installing/25298/10 "2022-03-26T17:33:38Z")
> [@CMarch](#): > > “I did not pass Go and did not collect $200.” 🎩 I could give you a few bucks if you need some… 😇 ---
**Author:** ![CMarch](https://forum.endeavouros.com/user_avatar/forum.endeavouros.com/cmarch/32/717_2.png) [@CMarch](https://forum.endeavouros.com/u/CMarch)\ **Post date:** [March 26, 2022, 6:44pm UTC](https://forum.endeavouros.com/t/bad-wifi-connection-after-installing/25298/11 "2022-03-26T18:44:52Z")
> [@ricklinux](#): > > Are you running it with > > ```auto > "options ath9k nohwcrypt=1" > > ``` No. ---
**Author:** ![CMarch](https://forum.endeavouros.com/user_avatar/forum.endeavouros.com/cmarch/32/717_2.png) [@CMarch](https://forum.endeavouros.com/u/CMarch)\ **Post date:** [March 26, 2022, 6:57pm UTC](https://forum.endeavouros.com/t/bad-wifi-connection-after-installing/25298/12 "2022-03-26T18:57:01Z")
Just tried the “options ath9k nohwcrypt=1”. It didn’t help. ---
**Author:** ![ricklinux](https://forum.endeavouros.com/user_avatar/forum.endeavouros.com/ricklinux/32/110798_2.png) [@ricklinux](https://forum.endeavouros.com/u/ricklinux)\ **Post date:** [March 26, 2022, 7:05pm UTC](https://forum.endeavouros.com/t/bad-wifi-connection-after-installing/25298/13 "2022-03-26T19:05:39Z")
I just wondered. It has to be using the atk9k module. [https://wireless.wiki.kernel.org/en/users/drivers/ath9k](https://wireless.wiki.kernel.org/en/users/drivers/ath9k) Check out the features on this page at the bottom. Example bluetooth coexist etc. ---
**Author:** ![CMarch](https://forum.endeavouros.com/user_avatar/forum.endeavouros.com/cmarch/32/717_2.png) [@CMarch](https://forum.endeavouros.com/u/CMarch)\ **Post date:** [March 26, 2022, 7:14pm UTC](https://forum.endeavouros.com/t/bad-wifi-connection-after-installing/25298/14 "2022-03-26T19:14:28Z")
Looks like a fix may be on the way. [https://bugzilla.kernel.org/show\_bug.cgi?id=215703](https://bugzilla.kernel.org/show_bug.cgi?id=215703) > [@Lemon](#): > > It seems like a bug in the latest kernel version. > > [https://bugzilla.kernel.org/show\_bug.cgi?id=215703](https://bugzilla.kernel.org/show_bug.cgi?id=215703) Looks like a fix may be on the way, so I’ll just be patient a little longer.