XPost: linux.debian.bugs.dist 
 From: kibi@debian.org 
  
 Control: severity -1 normal 
  
 cacin@allfreemail.net  (2025-09-13): 
 > Source: debian-installer 
 > Severity: serious 
 > 
 > Dear Maintainer, 
 > 
 > using debian-12.12.0-amd64-netinst.iso and choosing expert installer 
 > to install debian, the screen shown in attached picture is displayed 
 > during the installation. 
 > 
 > When 'backported software' is enabled, it leads to linux-sysctl-defaults 
 > package being automatically installed from backports, despite the text on 
 the 
 > attached picture saying "Enabling backports here does not cause any of them 
 to 
 > be installed by default". 
  
 That doesn't make this issue €€€serious€€€. 
  
 > This behavior contrary to the text presented to the user on the 
 > screen, not expected by the user, and feels like a violation of debian 
 > policy because packages come from an unexpected place. It also changes 
 > the linux sysctl configuration, and thus differs from a regular 
 > bookworm system. 
  
 Keeping in mind you're going through an expert installation and 
 diverging from the default settings already€€€ 
  
 > I think this happens because linux-sysctl-defaults is priority 
 > important in bookworm-backports. 
  
 Well, you have access to the logs (/var/log/installer/syslog) so you can 
 investigate. 
  
  
 Cheers, 
 -- 
 Cyril Brulebois (kibi@debian.org)             
 D-I release manager -- Release team member -- Freelance Consultant 
  
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