Kubuntu Vivid slow to shut down

[Donatas G.]

Dear Kaj,

I just realized that those two lines were actually the last lines in the
boot process - not the ones on which the system gets stuck during the
shutdown. I have disabled the grub quiet splash options, and the last thing
I saw before the SDDM login screen were those two lines. On shutdown I
just see a black screen all the time. But If I hit Ctrl+Alt+F7,  I see the
screen as it appeared at boot before SDDM login screen showed up. So, I
actually have no clue of  what causes shutdown delay...

Donatas

2015-04-25 23:10 GMT+03:00 Kaj Haulrich <kaj at haulrich.net>:

> On 2015-04-25 21:12, Donatas G. wrote:
>
>> Hello everyone,
>>
>> I have been running Kubuntu Vivid (on Thinkpad X220t, amd64, with SSD
>> hard drive) for a few weeks now. Everything goes ok, but it is strange
>> that it takes a few minutes for the system to shut down. It takes long
>> both if I shut down the graphical way, and if I issue  "sudo halt -p"
>> (independently of whether the Plasma session is running).
>>
>> I looked at what is happening during the shutdown procedure, and the
>> shutdown procedure stops and hangs for more than a minute at these lines:
>>
>> Starting Wait for Plymouth Boot Screen to Quit...
>> Starting Terminate Plymouth Boot Screen...
>>
>> How do I troubleshoot this problem? How do I see what is halting the
>> shutdown process, what is hiding behind those lines?
>>
>> Would be grateful for any ideas.
>>
>
> Well, the problem seems to be plymouth. You could try to edit (as root):
> /etc/default/grub
> and remove "quiet splash" (not the "") from the linux line. Save the file
> and run:
> sudo update-grub
> Now reboot. You will see the boot process in all its glory, without the
> plymouth candy.
> If your shutdown process still behaves badlu, I'm out of ideas...
>
> HTH
> Kaj Haulrich.
> --
> Sent from a 100% Microsoft-free computer---
>         Running Linux Kubuntu 15.04
>
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