Bug#1119809: Black screen after upgrading from 48

[Simon McVittie]

Control: tags -1 + confirmed

On Fri, 31 Oct 2025 at 17:46:57 +0000, Simon McVittie wrote:
>On Fri, 31 Oct 2025 at 17:58:30 +0100, Ben Hutchings wrote:
>>I did a full-upgrade today which upgraded the gdm packages from
>>version 48.0-3 to 49.1-4.  After rebooting, gdm did not display
>>anything.  I was still to switch virtual terminals with Ctrl-Alt-F<n>.
>
>Did you also upgrade packages from the gnome-shell, gnome-session, 
>mutter, gjs and gnome-settings-daemon source packages? We might need 
>some extra Breaks or versioned Depends to get the whole family to be 
>upgraded together or not at all.

I can reproduce this in a VM. It looks like the new gdm3 needs the new 
gnome-session (not yet published in the main archive, but available from 
https://incoming.debian.org/) but does not strictly require the rest of 
this transition.

     smcv