Michael Kjörling <2695bd53d...@ewoof.net> wrote: > On 22 Apr 2024 09:00 -0400, from s.mol...@sbcglobal.net (Stephen P. > Molnar): > > I downloaded and ran the 512 check sum on a copy of > > Debian-12.5.0-amd64-DVD-1.iso and ran the Graphical Install mode on > > the 1.0 TD SSD on my Computer. The installation went smoothly > > without any warning or error messages. > > > > I logged in as root to set up the Desktop and, much to my surprise, > > found that my previous Desktop configuration was still there!!??? > > This was also the case when I logged in user!!!??? > > It sounds to me like you intended to do a clean reinstall, but the > obvious question given the observed behavior is: did you actually do > that? For example, did you actually reformat (create file systems > anew)? > > My guess would be that you installed _on top of_ the previous > installation rather than wiping and replacing it; so I'd start with > seeing if that hypothesis can be ruled out. An easy way might be to > check /var/cache/apt/archives and look for old linux-image .deb files. > If it's a freshly installed system, there should only be one or two, > likely at 6.1.0-20 for Bookworm. If you see any kernel older than > 6.1.0-18, those are remnants from a previous installation (Debian 12.5 > shipped with kernel ABI 6.1.0-18 > <https://www.debian.org/News/2024/20240210>.)
He said he wanted to revert to Bullseye rather than Bookworm, so it's to be expected that there will be older kernels, if that's really what he meant and what he did. But as you say, without a clear statement of the intent and the actions taken it's difficult to be sure.
