Ubuntu
os-prober package

  1. Bug #1796853
  2. Comment #5

Comment 5 for bug 1796853

Revision history for this message
Audun Gangsto (audun-m) wrote :

This also happens during installs of 18.04 and it causes the installation to hang at Installing grub 66%

A workaround which works for me is to switch to a console (alt-f2) and killall dmsetup, then the install completes successfully, but totally unattended installs are broken for me now.