I understand the motivation. Reducing boot time by reducing the number
of kernel modules is something I can understand.
However, the original problem is not solved. I had to invest >10 hours
of trying to get docker containers to work with ubuntu 21.10 on
Raspberry Pi.
Why was a solution for running docker containers not mentioned in the Ubuntu
21.10 release notes?
Why have you, Dave, not immediately told me of the solution (install
modules-extra!) as soon as you saw this bug report?
Why has the docker.io package not added a dependency on the modules-extra
package? It clearly does not work without this package on raspi.
Why was the veth kernel module moved to modules-extra? You are talking about
19MB space savings of compressed initrd, but this module is only 25k,
uncompressed! And on ubuntu servers, Docker certainly is one of the main use
cases.
I feel that there needs to be a fix other from invalidating my >10 hours
of my work by invalidating this bug report.
Coming back to boot time savings: IMO that's a thing for desktops. But
for servers? I mean, servers are meant to run uninterrupted until there
is a kernel update. A few seconds more per reboot therefore does not eat
away from the uptime. Your server images, therefore, should have
modules-extra installed by default.
We use ubuntu instead of raspi-os on our ARM build servers because we
need to run Docker for ARM 32 and 64 bits. Please find another solution
for this cannot-run-docker out of the box for your server image than
letting all your users in the dark about why they cannot run docker
anymore in 21.10.
** Changed in: linux-raspi (Ubuntu)
Status: Invalid => Confirmed
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https://bugs.launchpad.net/bugs/1947601
Title:
Cannot start docker container on ubuntu 21.10 server for raspberry pi
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