Not connecting wifi after resume from suspend

[nurali]

Hello all:
I am using DWM with xfce-power-manager with slock
And I am using gentoo-sources to be the kernel source with my own configurating (Building everything in kernel, no initramfs, no extra modules)
Everytime I wake this pc up from it's sleep, I can't use wifi

[kgdrenefort]

Hello,

my first guess: Wi-fi card goes into a sleeping mode to… save energy, and does not wakes up.

Can't find a specific fix or someone on gentoo having the same behavior.

I tried to find out something on the wiki with «power management», «energy saving», «wifi» or «laptop mode» but can't find, but that's really ringing a bell to me (and it could _also_ happens on Windows as well). On Windows it's easy, you uncheck a box about saving mode for this.

Here I guess that would be into NetworkManager config stuff, maybe try this Ubuntu topic, hope this helps: https://askubuntu.com/questions/1022203/how-to-prevent-wifi-sleep-after-suspend

Regards,
GASPARD DE RENEFORT Kévin
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[nurali]