Public bug reported:
Today I upgraded a 32-bit Ubuntu 12.04 using
ubuntu-16.04-beta2-desktop-amd64.iso on USB via unetbootin.
Overall, success! However, along the way I did start over due to a
time-consuming delay with a package backup step that appeared to be failing for
every single package. (I looked at the logs going by in the GUI installer)
Wasn't sure if it was due to Ubuntu 12.04, or due to 32-bit to 64-bit, but it
appeared to be failing. So I restarted and chose the
reformat-and-install-fresh option for the system partition (other partitions
for swap and /home) and it seems to skip this step and breeze on through the
installation. At this point I can't reproduce the issue, since the 12.04
32-bit is gone forever (bye, bye!) but here is a report in case it's helpful.
1) The release of Ubuntu you are using, via 'lsb_release -rd' or System
-> About Ubuntu
ubuntu-16.04-beta2-desktop-amd64.iso (GUI installer)
2) The version of the package you are using, via 'apt-cache policy
pkgname' or by checking in Software Center
NA
3) What you expected to happen
Backup the system partition somehow and install 16.04.
4) What happened instead
It took a long time with what looked like failures to package each thing it
came across.
The "upgrade" from Ubuntu 12.04 32-bit to 16.04 64-bit didn't look it was going
to work as intended.
But I didn't wait and see, I rebooted and installed clean instead.
** Affects: ubuntu
Importance: Undecided
Status: New
** Tags: installer lts packaging xenial
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https://bugs.launchpad.net/bugs/1568284
Title:
Ubuntu 16.10 installer fails to backup packages
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