Ubuntu 16.04 LTS cannot shut down

[Colin Law]

On 1 July 2016 at 09:20, M. Fioretti <mfioretti at nexaima.net> wrote:
> On 2016-07-01 06:35, Gener Badenas wrote:
>
>> Can you try "acpi=force" ? Maybe just acpi problem
>
>
> before getting this email, I had reset the BIOS to
> factory settings, and unsuccessfully tried to update
> it from Windows 8 (I got the "no match file in multi fd"
> error, which seems to be another long standing bug that
> nobody knows how to fix...). Anyway..
>
> thanks, but even this setting doesn't make any difference.
> Both clicking on shutdown
> and typing "shutdown -h now" freeze the system and nothing
> else happens.

First can I just check that you have waited a good while to make sure
that it does not eventually shutdown - give it 10 minutes at least.
Is there anything in syslog to indicate at what point it is getting stuck?

If you boot off a live DVD/USB do you see the same problem?

Colin