Ubuntu
debian-installer package

  1. Bug #1347726
  2. Comment #23

Comment 23 for bug 1347726

Revision history for this message
Roman (pomatu) wrote :

I can confirm that solution from "Jb (jebsolutions)" is working. Thanks! you saved my day

Nothing else worked on ubuntu-server-alternate 18.04 even that
preseed partman/unmount_active boolean true
preseed partman/confirm boolean true
#preseed partman-lvm/confirm boolean true
#preseed partman/confirm boolean true
#preseed partman/early_command string umount /media
#preseed early_command string umount /media

and solution from
dragon788 (dragon788)