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rated 0 times [  3] [ 0]  / answers: 1 / hits: 57238  / 3 Years ago, thu, july 8, 2021, 11:20:13

After two days of installation, strangely my Ubuntu machine is restarting instead of shutdown from both desktop GUI and command line.



sudo shutdown -h now
sudo halt # (doesn't shutdown, instead freezes on boot screen Plymouth)


I had force shutdown by powering off the machine.



This is not happening all the times.



I have been using Ubuntu for 6 months and never experienced this kind of problem.


More From » 12.04

 Answers
1

I faced the same issue after I installed Ubuntu 12.04 on a newly built machine. This answer on another post helped me resolve it:



I resolved by adding acpi=noirq to the kernel arguments



sudo editor /etc/default/grub

Add


GRUB_CMDLINE_LINUX_DEFAULT="acpi=noirq quiet splash"

Then


sudo update-grub

[#38683] Friday, July 9, 2021, 3 Years  [reply] [flag answer]
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