SER 5 No wifi after sleep/suspend on any linux

brunocarv

SER 5 No wifi after sleep-suspend on any linux

I tried Manjaro, Ubuntu, Mint, OpenSuse, Fedora. In any linux distribuition after sleep or suspend PC crashes.
Can anynoe help me?

thanks
Bruno

simpsipper

I have figured out a work around!
I sent this to support, please adapt this to your system

I figured out a work around. Consider this resolved and please help other linux users by sharing this.

First I found which pci address was the wifi card with
"lspci"

I then figured out that removing the device from the pci bus with
"echo 1 >/sys/bus/pci/devices/0000:02:00.0/remove"
and then re-scanning with
" echo 1 >/sys/bus/pci/rescan"
Made the wifi work again!

I then made 2 scripts in this directory
'/lib/systemd/system-sleep/'

script 1 name = wifi-fix.sh
content =
#! /bin/sh -xv
echo 1 >/sys/bus/pci/devices/0000:02:00.0/remove

script 2 name = 99wifi-fix.sh
content =
#! /bin/sh -xv
echo 1 >/sys/bus/pci/rescan

make both files executable with "chmod +x" and wifi issues are resolved

rmarion59

Hi!

Fix for Ubuntu 20.04.x

Open terminal and run the following command

sudo nano /lib/systemd/system-sleep/wififix

After entering the the Password, It will open the nano editor.

Now Paste the Below Code

!/bin/sh
set -e
if [ "$2" = "suspend" ] || [ "$2" = "hybrid-sleep" ]; then
     case "$1" in
             pre) true ;;
             post) sleep 1 && service network-manager restart ;;
       esac
fi
Press Ctrl-O and Enter to save it

Press Ctrl-X to close the file

Now, make this a executable using this command.

sudo chmod +x /lib/systemd/system-sleep/wififix

It should fix the issue.

I hope it helps!

brunocarv

Thank you very much, but no It doesent works

Andor

rmarion59 replied at 2022-09-28 08:40
Hi!

Fix for Ubuntu 20.04.x

That fix doesn't work. Problem is the bios not ubuntu or linux

Andor

Maybe someone could provide an updated bios who really works with linux

rmarion59

It works for me, however I'm not using Ubuntu but Zorin (also based on Ubuntu). My only little issue is to have the Fingerprint Sensor to work better. I have seen a post talking about BIOS v2.25 but it is under testing/development. Well, I have not heard from anyone yet about it.

Andor

rmarion59 replied at 2022-10-05 05:37
It works for me, however I'm not using Ubuntu but Zorin (also based on Ubuntu). My only little issue ...

Do you have a SER series mini pc? because as far as i know there isn't any SER with fingerprint sensor. I think you have GTR series and that is a different motherboard therefore it is clearly a BIOS bug

rmarion59

Andor replied at 2022-10-06 00:34
Do you have a SER series mini pc? because as far as i know there isn't any SER with fingerprint sen ...

You are right. I have the GTR5 5900HX.

ser5pro_fedora

same issue on fedora, anyone has workaround?

Andor

The fix works for me on linux mint after mint 21.1 but it does not work in Manjaro for instance. Thre is clearly somethig off with this mini PC and linux. It is a shame because it is a good mini PC.