It is weird, my router is very old, it only supports 2.4G, and I can't
reproduce the problem under 2.4G. (This is my laptop, it connects to my
old router too.)
hwang4@hwang4-Vostro-5390:~$ sudo iwlist wlp0s20f3 frequency
wlp0s20f3 32 channels in total; available frequencies :
Channel
I tested with new router, which supports 2.4GHz and 5GHz networks. When
the RPI is connected to 5G network the problem disappear. However, it is
persistent on 2.4GHz network.
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Tried this, but I cannot find anything that means something to me with
respect to the problem.
The log is attached.
Row 1: Here the RPI starts with ethernet cable attached and wlan0
configured. Both adapters seem to take their IPs. -> I can estasblish
SSH to both.
Row 743: I'm removing the
I just followed your steps to do the test, I followed all steps except
step 7, since on my board, no need to run "netplan try" and "netplan
apply", the eth0 and wlan0 already can get the ip from my router. Other
steps are same.
I can't reproduce your problem, with the new installed 1012 kernel,
I've got a bit confused about the behavior of the system so I restarted
the process to check what's happening. Here the steps I performed:
1. Install clean image on SD card.
2. Block internet access of the RPI, so no updates to be installed on first
boot.
3. Reboot
4. Remove 50-cloud-init.yaml
Hi,
I've checked multiple kernels and multiple methods to set up the network. I
don't know what is going on, but I suspect that it might not be the kernel
itself, but the network interfaces conflict.
Can you share with me in details how to set up the wireless "wlan0" to connect
on a clean
We are going to release a new kernel soon, right now it is in the
proposed channel, Welcome to test with the new kernel:
edit the $rpi_rootfs/etc/apt/sources.list and add:
deb http://ports.ubuntu.com/ubuntu-ports eoan-proposed main restricted
deb http://ports.ubuntu.com/ubuntu-ports eoan-proposed
When this problem happens, does the wifi network on rpi4 still work?
e.g. using ping command or other network commands other than ssh?
Another test is when problems happens, switch back to 1007 kernel (the
1007 kernel, initrd and dtb are in the folder of
/boot/firmware/$filename.bak, remove .bak,
Actually with linux-image-5.3.0-1011-raspi2 also doesn't work. It
reaches only once after restart to the "login:" and after entering the
user it hangs.
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Installed this kernel, but unfortunately is the same. I tried also with
different network for eth0 and wlan0. I can establish SSL to the eth0
IP, but not to wlan0.
Also checked the linux-image-5.3.0-1011-raspi2 from your post in this page:
5.3.0-1012-raspi4 is just a testing kernel, it is based on
5.3.0-1012-raspi2, just changed the flavour name from raspi2 to raspi4,
no function change.
If you want to test with 5.3.0-1012-raspi4, please find them from:
https://people.canonical.com/~hwang4/1012-raspi4/
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Hi,
I don't know if that matters, but my "uname -a" returns "Linux ubuntu
5.3.0-1012-raspi2" and yours return "Linux ubuntu 5.3.0-1012-raspi4".
How can I get this "Linux ubuntu 5.3.0-1012-raspi4" release?
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@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
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Hui Wang (hui.wang)
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https://bugs.launchpad.net/bugs/1853030
Title:
No connection through SSH over WIfi after kernel update
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1853030
Title:
No connection through SSH over WIfi after kernel update
To manage
apport information
** Tags added: apport-collected staging uec-images
** Description changed:
After updating from kernel "linux-image-5.3.0-1007-raspi2" to "linux-
image-5.3.0-1012-raspi2" I no longer can establish SSH connection to
Raspberry over Wifi.
When it is on wired
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