Arch Linux

Anct3725

Member

Registered: 2019-06-13

Posts: 3

Wifi crashed

Wifi always crashed after use for a while. Then,I reboot. It works like 10 minutes ,then repeatly occured.

dmesg output :  https://pastebin.com/VhPLt2Lv
rfkill list output: 

0: phy0: Wireless LAN0: phy0: Wireless LAN
	Soft blocked: no
	Hard blocked: no
	Soft blocked: no
	Hard blocked: no 

sudo wifi-menu

Scanning for networks... Could not set interface wlp4s0 flags (UP): Operation not permitted
nl80211: Could not set interface 'wlp4s0' UP
Could not set interface wlp4s0 flags (UP): Operation not permitted
WEXT: Could not set interface 'wlp4s0' UP
wlp4s0: Failed to initialize driver interface
failed
No networks found

Thanks!

seth

Member

From: Don't DM me only for attention

Registered: 2012-09-03

Posts: 74,307

Re: Wifi crashed

Do you use any power saving tools (TLP, laptop-mode-tools, powertop, …)?

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Anct3725

Member

Registered: 2019-06-13

Posts: 3

Re: Wifi crashed

Do you use any power saving tools (TLP, laptop-mode-tools, powertop, …)?

No

seth

Member

From: Don't DM me only for attention

Registered: 2012-09-03

Posts: 74,307

Re: Wifi crashed

The interface at some point stops responding, if it's not for some PM I'd randomly try the lts kernel and check whether it's a 5.x regression in iwlwifi.

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How to upload text · How to boot w/o GUI · Disable Windows Fast-Start! · Fix your xinitrc

Anct3725

Member

Registered: 2019-06-13

Posts: 3

Re: Wifi crashed

Thanks