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Re: [PATCH v0] Require human interaction to go to normal shell if grub.c

From: Jonathan McCune
Subject: Re: [PATCH v0] Require human interaction to go to normal shell if grub.cfg has a problem
Date: Mon, 2 Dec 2013 12:49:03 -0800

On Mon, Dec 2, 2013 at 12:38 PM, Andrey Borzenkov <address@hidden> wrote:

I still do not quite understand how rebooting can fix the problem. The
only case it may happen is when you have intermittent network issues
where grub fails to read some file.

Ah, rebooting allows a machine to network boot, e.g., PXE boot using its NIC.
I have a feeling that you attempt to paper over some problem outside of grub.

This is somewhat true, in that grub's own commands should not get the machine into a state where this functionality is useful.  But furthering the real life example, users / administrators might make a mistake and create a broken config.  If the machine is unattended, it seems reasonable that the user might prefer for it to reboot.  Otherwise, it becomes necessary to somehow cause a reboot out-of-band.  These out-of-band solutions are generally proprietary and I think it's a good idea to have support for avoiding them if desired.


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