Laptop powerdown when early boot incl. bootloader phase stuck (Was: Bug 1742953 - No Screensaver/Powerdown after Inactivity at LUKS Password Prompt)

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On 20/08/19 20:59 -0600, Chris Murphy wrote:
> There is no good reason for the current behavior, in particular on a
> laptop. And it's fail danger, not fail safe. The very simple work
> around for the computer shutting off in 3 minutes of inactivity and
> you don't like that? Power it back on and enter your passphrase.
> Shockingly easy and obvious. Unless of course you're stuck somewhere
> and in fact want to use your laptop as a heating pad.

Just that the particular corner case is not perceived in isolation,
there are other early-boot-stuck situations that would make sense
to deal with in the same fashion even if the sources are completely
different (predictability is more important from user's POV, IMHO).

One such other situation is having the bootloader (grub2) failed and
hence be stuck in 'press a key to continue' or just staying in the
selection menu without any timeout ticking for whatever reason.
That's directly comparable to the LUKS prompt without any attention
for a prolonged time.

With grub2, situation is actually worse, since without having any
means to control CPU throttling (which is already present by the
time one is to enter LUKS password), laptop will indeed become
said "heating pad" after a bit (one could for instance enter the
grub prompt if it's deemed a feature for some).

-- 
Poki

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