Subsiquity Installer fails during verification of pre-partitioned MBR

[Alex]

Using latest LTS ISO, 20.04.3 LTS the installer fails during partitioning phase.

I have MBR with the following partitioning table.

/boot 1GiB
swap 8GiB
/ 140.9GiB

During partitioning I selected to format the partitions as ext4 /boot, swap, and ext4 /

During install it fails to verify xvda2, says there's an error, expecting swap, found None
(pic attached)

[Dan Bungert (dbungert)]

Thanks for bringing this over, I saw your thread on askubuntu but it's prohibitively difficult to debug things there.

Are you able to send the full crash report? It will include log files that would be beneficial to debug this, and to ensure we're seeing the correct issue.

[Alex (sir-alex-leo)]

Definitely, what's the best way to save those logs? The machine is virtual
and there's no direct access to USB

On Mon, Nov 29, 2021, 8:50 AM Dan Bungert, <email address hidden>
wrote:

> Thanks for bringing this over, I saw your thread on askubuntu but it's
> prohibitively difficult to debug things there.
>
> Are you able to send the full crash report? It will include log files
> that would be beneficial to debug this, and to ensure we're seeing the
> correct issue.
>
> ** Changed in: subiquity (Ubuntu)
> Status: New => Incomplete
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1952545
>
> Title:
> Subsiquity Installer fails during verification of pre-partitioned MBR
>
> Status in subiquity package in Ubuntu:
> Incomplete
>
> Bug description:
> Using latest LTS ISO, 20.04.3 LTS the installer fails during
> partitioning phase.
>
> I have MBR with the following partitioning table.
>
> /boot 1GiB
> swap 8GiB
> / 140.9GiB
>
> During partitioning I selected to format the partitions as ext4 /boot,
> swap, and ext4 /
>
> During install it fails to verify xvda2, says there's an error,
> expecting swap, found None
> (pic attached)
>
> To manage notifications about this bug go to:
>
> https://bugs.launchpad.net/ubuntu/+source/subiquity/+bug/1952545/+subscriptions
>
>

[Alex (sir-alex-leo)]

I just grabbed the entire /var/log folder and archived it.
Let me know if you need specific logs seperately

[Alex (sir-alex-leo)]

And the crash log itself

[Dan Bungert (dbungert)]

> what's the best way to save those logs?

What you've done is just fine, thanks. The 'Send to canonical' prompt works well also but this is great.