@Stefan,
I just did the test according to your description, I didn't reproduce
your problem:
On my rpi4B with 4G ram and without ethernet cable connect, I installed
the 1012 kernel:
On the rpi4 board:
ubuntu@ubuntu:~$ uname -a
Linux ubuntu 5.3.0-1012-raspi4 #14 SMP Thu Nov 21 11:46:38 UTC 2019 aarch64
aarch64 aarch64 GNU/Linux
ubuntu@ubuntu:~$ cat /etc/netplan/50-cloud-init.yaml
# This file is generated from information provided by
# the datasource. Changes to it will not persist across an instance.
# To disable cloud-init's network configuration capabilities, write a file
# /etc/cloud/cloud.cfg.d/99-disable-network-config.cfg with the following:
# network: {config: disabled}
network:
version: 2
renderer: networkd
wifis:
wlan0:
dhcp4: yes
dhcp6: no
access-points:
"mywifi":
password: "mypassword"
ubuntu@ubuntu:~$ sudo netplan apply
ubuntu@ubuntu:~$ ifconfig
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1000 (Local Loopback)
RX packets 44 bytes 3738 (3.7 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 44 bytes 3738 (3.7 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
wlan0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
ether dc:a6:32:0e:9b:c5 txqueuelen 1000 (Ethernet)
RX packets 605 bytes 724475 (724.4 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 540 bytes 72600 (72.6 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
ubuntu@ubuntu:~$ ifconfig
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1000 (Local Loopback)
RX packets 44 bytes 3738 (3.7 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 44 bytes 3738 (3.7 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
wlan0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.1.109 netmask 255.255.255.0 broadcast 192.168.1.255
inet6 fe80::dea6:32ff:fe0e:9bc5 prefixlen 64 scopeid 0x20<link>
ether dc:a6:32:0e:9b:c5 txqueuelen 1000 (Ethernet)
RX packets 615 bytes 726200 (726.2 KB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 558 bytes 75051 (75.0 KB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
On my host machine:
hwang4@hwang4-Vostro-5390:~/work/mainline/build/eoan-rpi/ubuntu-eoan/patch$ ssh
ubuntu@192.168.1.109
The authenticity of host '192.168.1.109 (192.168.1.109)' can't be established.
ECDSA key fingerprint is SHA256:ABndCbsaeSF4OTivweZvtSSmvzbtA9j1t1qUjQF2CBg.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added '192.168.1.109' (ECDSA) to the list of known hosts.
ubuntu@192.168.1.109's password:
Welcome to Ubuntu 19.10 (GNU/Linux 5.3.0-1012-raspi4 aarch64)
* Documentation: https://help.ubuntu.com
* Management: https://landscape.canonical.com
* Support: https://ubuntu.com/advantage
System information as of Thu Nov 21 14:07:33 UTC 2019
System load: 2.39 Processes: 142
Usage of /: 52.4% of 7.00GB Users logged in: 1
Memory usage: 8% IP address for wlan0: 192.168.1.109
Swap usage: 0%
* Kata Containers are now fully integrated in Charmed Kubernetes 1.16!
Yes, charms take the Krazy out of K8s Kata Kluster Konstruction.
https://ubuntu.com/kubernetes/docs/release-notes
31 updates can be installed immediately.
25 of these updates are security updates.
To see these additional updates run: apt list --upgradable
Last login: Thu Nov 21 14:06:29 2019
ubuntu@ubuntu:~$ ls
focal-preinstalled-server-armhf+raspi3.img.xz
ubuntu@ubuntu:~$ uname -a
Linux ubuntu 5.3.0-1012-raspi4 #14 SMP Thu Nov 21 11:46:38 UTC 2019 aarch64
aarch64 aarch64 GNU/Linux
** Changed in: linux (Ubuntu)
Importance: Undecided => High
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
** Package changed: linux (Ubuntu) => linux-raspi2 (Ubuntu)
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https://bugs.launchpad.net/bugs/1853030
Title:
No connection through SSH over WIfi after kernel update
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