Re: Bug 1742953 - No Screensaver/Powerdown after Inactivity at LUKS Password Prompt [FutureFeature]

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On Sat, Aug 17, 2019 at 6:25 PM Joseph D. Wagner <joe@xxxxxxxxxxxxxxxxxx> wrote:
>
> Sorry if this is the wrong place to post. I need to start somewhere.
>
> https://bugzilla.redhat.com/show_bug.cgi?id=1742953
>
> Description of problem:
> The Plymouth LUKS password prompt will wait FOREVER for me to type in a
> password without powering down the monitor or blanking the screen. This
> leaves me vulnerable to screen burn-in if 1) there was an unexpected
> reboot like a crash, or 2) another OS (which shall remain nameless)
> rebooted after update, but the dual-boot started in Linux instead of
> the other OS.
>
> How reproducible:
> 100%
>
> Steps to Reproduce:
> 1. Wait at LUKS prompt until you need to throw away your monitor.
>
> Actual results:
> A bill for an expensive new monitor.
>
> Expected results:
> The monitor goes into powersaver mode after a reasonable time, like 20
> minutes, or at least blanks.

I wonder if systemd could provide a way for a service to ask for
poweroff when a timeout has been reached, and for plymouth to set
something like 20 minutes for the timeout? I agree that this shouldn't
be an indefinite wait. Even consider a laptop scenario, we're going to
wait until the battery completely discharges? That's not a good idea.


-- 
Chris Murphy
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