[Nix-dev] boot problem: stage1 repair console doesn't work under VirtualBox

[Sergey Mironov]

I've tried this approach on a real machine, the result is the same.

2014-02-05 Sergey Mironov <grrwlf at gmail.com>:
> Hi! Looks like stage1 repair console can't read user input, at least
> under VirtualBox. Here is how to reproduce the problem:
> 1. Boot VirtualBox with NixOS minimal installation CD attached
> 2. Press 'e' in the grub to edit kernel command line
> 3. Add bood.debug1 kernel argument
> 4. Boot
>
> Repair console appears but It doesn't react on key presses. It feels
> like /dev/tty1 hangs while trying to read something (bash 'read'
> operator). Note that system doesn't hang in general, other processes
> continue to work  (I have carried out some experiments with inserting
> "( while true ; do echo -n . ; sleep 1; done) &" into stage-1 script)
>
> Any ideas on how to fix it?
>
> Regards,
> Sergey