Hello,

I've some trouble to install K3s on my OrangePi Zero2, somewhere I read it could be a kernel problem (not activated). I get following message. Can someone help me?

 

Apr 08 20:39:15 oPi2 k3s[4055]: time="2022-04-08T20:39:15+02:00" level=info msg="Run: k3s kubectl"
Apr 08 20:39:15 oPi2 k3s[4055]: time="2022-04-08T20:39:15+02:00" level=fatal msg="failed to find cpu cgroup (v2)"
Apr 08 20:39:15 oPi2 systemd[1]: k3s.service: Main process exited, code=exited, status=1/FAILURE
Apr 08 20:39:15 oPi2 systemd[1]: k3s.service: Failed with result 'exit-code'.
Apr 08 20:39:15 oPi2 systemd[1]: Failed to start Lightweight Kubernetes.

 

 k3s.service - Lightweight Kubernetes
     Loaded: loaded (/etc/systemd/system/k3s.service; disabled; vendor preset: enabled)
    Drop-In: /etc/systemd/system/k3s.service.d
             └─dietpi.conf
     Active: failed (Result: exit-code) since Fri 2022-04-08 20:39:15 CEST; 2s ago
       Docs: https://k3s.io
    Process: 4051 ExecStartPre=/bin/sh -xc ! /usr/bin/systemctl is-enabled --quiet nm-cloud-setup.service (code=exited, status=0/SUCCESS)
    Process: 4053 ExecStartPre=/sbin/modprobe br_netfilter (code=exited, status=1/FAILURE)
    Process: 4054 ExecStartPre=/sbin/modprobe overlay (code=exited, status=0/SUCCESS)
    Process: 4055 ExecStart=/usr/local/bin/k3s server (code=exited, status=1/FAILURE)
   Main PID: 4055 (code=exited, status=1/FAILURE)

# uname -a
Linux oPi2 4.9.255-sun50iw9 #1 SMP PREEMPT Tue Mar 1 23:28:34 UTC 2022 aarch64 GNU/Linux

# cat os-release
PRETTY_NAME="Debian GNU/Linux 11 (bullseye)"
NAME="Debian GNU/Linux"
VERSION_ID="11"
VERSION="11 (bullseye)"
VERSION_CODENAME=bullseye
ID=debian
HOME_URL="https://www.debian.org/"
SUPPORT_URL="https://www.debian.org/support"
BUG_REPORT_URL="https://bugs.debian.org/"

 

I also have a cgroup problem, on a more recent version:

lsb_release -a

No LSB modules are available.

Distributor ID: Debian

Description: Armbian 23.11.2 bookworm

Release: 12

Codename: bookworm

uname -a

Linux k3s-control-plane 6.1.68-current-bcm2711 #1 SMP PREEMPT Sun Dec 17 11:40:38 UTC 2023 aarch64 GNU/Linux

déc. 29 21:30:12 k3s-control-plane k3s[3689]: I1229 21:30:12.173705    3689 server.go:156] Version: v1.28.4+k3s2

déc. 29 21:30:12 k3s-control-plane k3s[3689]: I1229 21:30:12.174299    3689 server.go:158] "Golang settings" GOGC="" GOMAXPROCS="" GOTRACEBACK=""

déc. 29 21:30:12 k3s-control-plane k3s[3689]: time="2023-12-29T21:30:12+01:00" level=info msg="To join server node to cluster: k3s server -s https://192.168.1.138:6443 -t ${SERVER_NO>

déc. 29 21:30:12 k3s-control-plane k3s[3689]: time="2023-12-29T21:30:12+01:00" level=info msg="Agent node token is available at /var/lib/rancher/k3s/server/agent-token"

déc. 29 21:30:12 k3s-control-plane k3s[3689]: time="2023-12-29T21:30:12+01:00" level=info msg="To join agent node to cluster: k3s agent -s https://192.168.1.138:6443 -t ${AGENT_NODE_>

déc. 29 21:30:12 k3s-control-plane k3s[3689]: time="2023-12-29T21:30:12+01:00" level=info msg="Wrote kubeconfig /etc/rancher/k3s/k3s.yaml"

déc. 29 21:30:12 k3s-control-plane k3s[3689]: time="2023-12-29T21:30:12+01:00" level=info msg="Run: k3s kubectl"

déc. 29 21:30:12 k3s-control-plane k3s[3689]: time="2023-12-29T21:30:12+01:00" level=fatal msg="failed to find memory cgroup (v2)"

déc. 29 21:30:12 k3s-control-plane systemd[1]: k3s.service: Main process exited, code=exited, status=1/FAILURE

I have modified the /boot/firmware/config.txt and rebooted, but it was not enough...

cat /boot/firmware/config.txt 

# For more options and information see

# http://rptl.io/configtxt

# Some settings may impact device functionality. See link above for details

# For k3s (see https://github.com/k3s-io/k3s/issues/970#issuecomment-548409262)

cgroup_memory=1

cgroup_enable=memory