Bug#241899: grub: Won't boot until a terminal is connected

[Shaul Karl]

  I am not sure whether you are right in saying that grub waits for a
terminal to be connected. However having it wait for a terminal might
be appropriate on some cases or for some users.
  It could be an issue of the cable. You might want to try a
cable where the host supply some of the rs232 signals to itself. Another
way around it might be to have a
  
    terminal --timeout=something console serial

line. Hopefully with it grub will boot even when no console is 
attached.
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