LP#2060897 "Xubuntu installation failed: RuntimeError: aborting install since no mirror is usable"

[github-actions]

Reported first on Launchpad at https://bugs.launchpad.net/ubuntu/+source/xubuntu-meta/+bug/2060897

[github-actions]

LP#0: Sean Davis (bluesabre) wrote on 2024-04-11:

Xubuntu 24.04 with the new Flutter installer. ISO 20240410.1

Installation failed with log:

RuntimeError: aborting install since no mirror is usable

See attached installer logs folder.

[github-actions]

LP#1: Sean Davis (bluesabre) wrote on 2024-04-11:

Attachments:

• installer.tar.gz

[github-actions]

LP#2: Ubuntu QA Website (ubuntuqa) wrote on 2024-04-11:

This bug has been reported on the Ubuntu ISO testing tracker.

A list of all reports related to this bug can be found here:
http://iso.qa.ubuntu.com/qatracker/reports/bugs/2060897

[github-actions]

LP#3: Dan Bungert (dbungert) wrote on 2024-04-12:

So this outcome is not limited to xubuntu. I was able to produce the same result with the base desktop ISO as well.

The key here is a "deadnet" type configuration - active networking but not going anywhere.
I was however able to make the install work on the deadnet by setting the autoinstall policy
apt: {fallback: offline-install}

The code equivalent of that is a proof-of-concept that I think is overdue to make real, in canonical/subiquity#1816, except I think server wants this default also and that PR applies this policy value change to desktop.

[github-actions]

LP#4: Dan Bungert (dbungert) wrote on 2024-04-12:

A default policy equivalent of autoinstall {fallback: offline-install} was merged in canonical/subiquity#1971.

[github-actions]

LP#5: Tim Andersson (andersson123) wrote on 2024-04-16:

I think I managed to recreate this appropriately.

I did an install with the noble amd64 iso dated 15th April 2024, within a VM and disabled my wifi from the host machine.

The VM was then "connected" to a network, but with no actual internet access - I hope this is enough to mimic a "deadnet" network.

Anyway, my conclusion is that the install wasn't successful, please see the log attached.

Perhaps this change hasn't made it into the image of the 15th :)

Attachments:

• install-log

[github-actions]

LP#6: Dan Bungert (dbungert) wrote on 2024-04-16:

Perhaps this change hasn't made it into the image of the 15th :)

Correct, this needs a newer snap than build 113 which is on the stable channel.

[github-actions]

LP#7: Dan Bungert (dbungert) wrote on 2024-04-19:

@sean - I believe this is resolved

[github-actions]

Issue closed on Launchpad with status: Fix Released