Re: [PLUG] System won't boot after failed upgrade from Ubuntu 23.10 to 24.04

["Rich Mingin \(PLUG\) via plug" <plug@lists.phillylinux.org>]

Don't overthink it. Boot a friendly live USB (if you use full disk
encryption, make sure it supports your flavor), fire up any of the
nicer partition editors, and enlarge usr a bit. Maybe a lot, if you
have the disk space for it. I think pretty much every filesystem
supports offline resize *up*, some like XFS don't support resizing
*down*, so that might be an issue, but once you have enough space, you
should be able to boot and apt install --fix-broken or chroot and do
same.

I know it's barn door after horses come home, but I always try to make
sure I have plenty of free space, especially on /usr, when I'm
performing a large upgrade on Debian/Ubuntu based systems.

On Sat, May 25, 2024 at 5:52 PM Walt Mankowski via plug
<plug@lists.phillylinux.org> wrote:
>
> (I posted a version of this email to ubuntu-users a short time
> ago. Hopefully with the collected knowledge of them and PLUG I can
> recover my system!)
>
> Hi,
>
> I tried to upgrade my desktop box from Ubuntu 23.10 to 24.04 today and
> it failed. It ran out of disk space on /usr midway through the
> install, leaving things in a weird state. I was able to run `apt
> upgrade` and install a large number of packages, but several 100 more
> were still in a state where they were being held. I tried doing
> another `apt do-release-upgrade`, but by that point it thought it was
> already on 24.04 and so it returned immediately.
>
> At this point I tried rebooting to see if that would clear things up,
> That was a mistake. Not it's not booting up. If gets pretty far into
> the boot process then fails. The messages scroll off the screen and I
> can't see all of them.. The last one says
>
> Failed to start svscan.service - Daemontools service scanner.
> See 'systemctl status svscan.service' for details.
>
> (I can't get to a login prompt so I can't actually run that command to
> see details.)
>
> Above that I see that dbus.service failed to start. And above that I
> see a bunch of failed dependencies for half a dozen SSSD responder
> sockets. I'm not able to scroll up beyond that.
>
> I do nightly backups so with any luck I haven't lost any data. Is
> there any way I can get back in there in single user mode and have it
> finish the upgrade to 24.04? Any help would be greatly appreciated!
>
> Walt
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