[Bug 595822] Re: Hibernate does not power off the machine

[Colin King]

Earl,

My current hypothesis is that the _PTS (prepare to sleep) ACPI Method in
your BIOS is not doing what it should.

However, I'm interested to see if you see any kernel messages suggesting
a kernel issue before the machine shuts down or goes into a S3 suspend
state. So..

1) Boot the machine with the following kernel parameter: no_console_suspend
2) Switch to a console (e.g. Console 1, by Ctrl-Alt-F1)
3) Login at the console
4) Run: sudo pm-suspend

And note if you see any kernel errors/warnings on the console.

Repeat this but with with step 4 as:  sudo shutdown -h now


And again note any kernel errors/warnings.

-- 
Hibernate does not power off the machine
https://bugs.launchpad.net/bugs/595822
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