Bug#623308: linux-image-2.6.38-2-amd64: Lenovo X200 laptop fails to power down under 2.6.38
On Fri, Apr 29, 2011 at 05:01:37PM +1000, Jason White wrote:
> Moritz Mühlenhoff <jmm@inutil.org> wrote:
> > On Mon, Apr 25, 2011 at 11:29:13AM +1000, Jason White wrote:
> > > Laptop-mode appears to be the cause; can you reproduce the bug by enabling it
> > > on your X200?
> >
> > How did you activate the laptop mode on your system?
> >
> > If I install laptop-mode-tools, the system still powers down just fine.
> > laptop-mode is deactivated as part of the shutdown sequence, though.
>
> Laptop-mode was enabled on my system in the same way, namely by installing
> laptop-mode-tools. It should be disabled during the shutdown by the init
> script.
>
> I will post a follow-up if I can narrow down the cause further.
FWIW, my X200 is one of the last revisions sold, e.g. the BIOS date
is from 2010-03-11, so there might be differences in hardware if you own
an earlier model.
Cheers,
Moritz
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