Bug 458809 - Support kexec reboot from GUI
Summary: Support kexec reboot from GUI
Status: CONFIRMED
Alias: None
Product: plasmashell
Classification: Plasma
Component: Session Management (other bugs)
Version First Reported In: 5.27.5
Platform: Other Linux
: NOR wishlist
Target Milestone: 1.0
Assignee: David Edmundson
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2022-09-06 19:37 UTC by tomashnyk
Modified: 2025-10-22 21:15 UTC (History)
2 users (show)

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Description tomashnyk 2022-09-06 19:37:01 UTC 
I would like to be able to reboot from GUI using kexec.

kexec is a method to skip BIOS/UEFI during reboot, which can seriously speed up reboot (on my system, it about halves it, BIOS takes about 9 seconds and userspace as much).

It works on systems using systemd-boot pretty much for free.

Hibernate is already an action that fails on a lot of systems (it needs a swap file/partition larger than RAM) and yet is exposed.

Codewise, I think it would need to be implemented from https://invent.kde.org/plasma/plasma-workspace/-/blob/master/libkworkspace/sessionmanagementbackend.cpp

all the way up to https://invent.kde.org/plasma/plasma-workspace/-/blob/master/applets/kicker/plugin/systementry.cpp
or https://invent.kde.org/plasma/plasma-workspace/-/blob/master/applets/kicker/plugin/systementry.cpp

(plus a new icon would be handy)

Is such a feature something that would be accepted?
Comment 1 Nate Graham 2022-09-09 04:41:49 UTC 
Sounds cool. We could call it "fast boot" or something.
Comment 2 Nate Graham 2025-10-22 21:08:09 UTC 
Are you still interested in working on this?
Comment 3 tomashnyk 2025-10-22 21:15:18 UTC 
Eventually, yes. Though if somebody implements it before me, I will not be angry :-D.