On Tue, Mar 25, 2025 at 12:27 AM Xiyue Deng <manp...@gmail.com> wrote: > > Nicolas George <geo...@nsup.org> writes: > > > Barry Newberger (HE12025-03-24): > >> package: dpkg > >> version: 1.21.22 (amd64) > >> > >> Using Discover update following error occurred: > >> > >> <html>Package failed to install:<br/><br/>Error while installing package: > >> installed linux-image-6.1.0-32-amd64 package post-installation script > >> subprocess returned error exit status 1</html> > > > > Then read backwards until you find the error message from the > > subprocess. I did, it was quite obvious, you only need to read a dozen > > lines at the end. > > > > (And I assume somebody will just give you the answer instead of letting > > you learn to find it by yourself. Sigh.) > > > > Regards, > > > > -- > > Nicolas George > > > > Yes. And OP should uninstall all unused linux images to free up the > space before proceeding. > > Despite that the error message is clear, it is still a concern that this > could happen often. I myself got bitten by this despite that I knew of > this potential issue. > > I think the Debian Installer allocates 1GB of space for /boot by > default, and if you specify multiple systems exist, it will further > allocate 500MB from it to /boot/efi, which makes the actually usable > size of /boot 500MB. This used to be OK before bookworm where linux > images is usually around 100MB unpacked. But for Trixie (or some time > around 6.10 and later, don't remember clearly) the linux image size > grows to around 230MB. So on Trixie if you already have 2 linux images > installed, another upgrade will trigger this error. IMHO this causes > much inconvenience on average users. Of course, apt now warns if it > finds that the new installation will take more space than available > which is very helpful. Still, having more space will make it easier for > users. > > I would suggest that Debian Installer should allocate more space for > /boot by default. Ideally it would be good to leave around 1GB of > usable space for kernel images.
Also see <https://wiki.debian.org/UEFI#debian-installer_support>. Jeff
