Re: Fedora sometimes fails to sleep when I close my laptop

[Samuel Sieb]

On 4/3/19 8:04 AM, D. Hugh Redelmeier wrote:

I could put the notebook to sleep and then close the lid, but this is
quite a bit more fiddly.

Why would Fedora fail to sleep once in a while?


When it doesn't go to sleep, check the logs around that time.  That will 
tell you if it didn't detect the lid or if something else went wrong.

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Re: Fedora sometimes fails to sleep when I close my laptop

[Fred Smith]

On Wed, Apr 03, 2019 at 11:04:35AM -0400, D. Hugh Redelmeier wrote:
> I have a no-name netbook-style laptop running up-to-date Fedora 29.
> 
> 
> When I close the lid, fedora almost always puts the notebook in sleep 
> mode.  Unfortunately, once in a while, it does not.  And then my battery 
> runs down.
> 
> The notebook has a light that indicates sleep by blinking slowly.  
> Unfortunately, it is not visible while the lid is closed.  Bad design.
> 
> I could put the notebook to sleep and then close the lid, but this is 
> quite a bit more fiddly.
> 
> Why would Fedora fail to sleep once in a while?
> 
> Does anyone else experience this?
> 
> How would you go about diagnosing this problem?
> 
> (My fear is that this is a firmware bug.  I'm pretty sure that there will 
> never be firmware updates.)

If it is anything like my netbook, there is a magnet in the bezel
surrounding the display and a sensor in the edge of the laptop, that
senses the proximity of the magnet and sends a signal that the BIOS
and/or the OS sees and does the necessary stuff.

Mine has quit going to sleep, too, when the screen is closed, so I've
just had to bite the bullet and learn to do Fn-F4 before closing the
lid.

Odd thing is, that waving a strong magnet around where the sensor is
WILL cause it to go to sleep. Go figure.

Fred

-- 
 Fred Smith -- fre...@fcshome.stoneham.ma.us -
The Lord is like a strong tower. 
 Those who do what is right can run to him for safety.
--- Proverbs 18:10 (niv) -
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Fedora sometimes fails to sleep when I close my laptop

[D. Hugh Redelmeier]

I have a no-name netbook-style laptop running up-to-date Fedora 29.


When I close the lid, fedora almost always puts the notebook in sleep 
mode.  Unfortunately, once in a while, it does not.  And then my battery 
runs down.

The notebook has a light that indicates sleep by blinking slowly.  
Unfortunately, it is not visible while the lid is closed.  Bad design.

I could put the notebook to sleep and then close the lid, but this is 
quite a bit more fiddly.

Why would Fedora fail to sleep once in a while?

Does anyone else experience this?

How would you go about diagnosing this problem?

(My fear is that this is a firmware bug.  I'm pretty sure that there will 
never be firmware updates.)
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