1 out of 8 times Ubuntu freezes at shutdown. When I click on Esc I see the log and it gets stuck at 'Reached target shutdown'
but it never shuts down. I read somewhere about it's a bug and tried to follow the step of pressing Alt+Prnt screen and then typing REISUB
but nothing would happen. I have been facing this problem for a while now. Could someone please guide me through the solution? Thanks!
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I am having that issue /Reached target shutdown) as well since upgrading to 16.04. Which version are you running?– dufteJun 4, 2016 at 10:49
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I'm using 16.04 as well. I was experiencing the same problem in 14.04 but it was much worse in it. What version were you using prior to the upgrade? Did you ever experience it previously?– DJayJun 4, 2016 at 17:31
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For your information: I thought that my machine was frozen but after spending 45minutes or so in the 'Reached target shutdown' state it actually did the shutdown. I have seen this problem only once and this happened after heavy swapping.– user150335Jun 17, 2018 at 8:12
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1 Answer
Maybe the swap is still active when reaching "Target shutdown"; My solution was to force swap deactivation before reboot :
swapoff -a swapoff /dev/md6
after that, the reboot went fine for me without any pause.