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Hi.
I have a problem with my Thinkpad S531 laptop. If I try to shutdown my device, it reboots instantly after shutdown. The only way to avoid this issue is to plug a USB stick in the port before starting the shutdown process. I don't use acpid or laptop-mode-tools. My system runs in UEFI-only mode.
Cheers.
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Are you dualbooting with windows 7?
Install laptop-mode-tools.
Try:
sudo nano /etc/laptop-mode/conf.d/runtime-pm.conf
Add or replace this directive:
CONTROL_RUNTIME_PM="0"
Also, does systemd's log have anything interesting to say?
Last edited by harshsahil48 (2013-12-11 05:28:47)
Never forget~Never forgive
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Also install systemd-sysvcompat. This might fix the problem.
Never forget~Never forgive
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I don't think that either of these things above will solve your problem. In fact I don't know even how you would begin to debug such an issue. I actually had this same exact thing going on (though I never thought to plug in a USB flash drive). Eventually, the issue just disappeared. But when it was happening I thought long and hard as to how I was to debug an issue that basically happens in the firmware, and I couldn't come up with anything.
I believe it was a kernel update that eventually made the problem disappear, but I'm not sure what would have changed to make it go away. You might want to give the LTS kernel a whirl and see if things are different.
What I did notice though was that a reboot was actually different than the shutdown→reboot. A reboot would immediately just start the POST again, while a shutdown would actually stall just for a very brief moment between powering down and then back up.
Sorry I can't be of more help, but I don't think that the advice above will actually get you anywhere. Besides, since the E531 is a pretty new machine, I imagine that the initial installation was well after the switch to systemd, so the systemd-sysvcompat package would have been installed automatically.
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