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A comment on Ubuntu 16.04 proves even an LTS release can live at Linux’s bleeding edge. Parent comment

Re:Ubuntu 16.04 proves even an LTS release can live at Linux... by vespakoen on Tuesday May 10, 2016 @10:40AM (#11667507)
Typing the commands manually didn't work either, I also tried disabling LID0 (sudo sh -c 'echo LID0 > /proc/acpi/wakeup')

No luck with that too, I verified the command working with

    cat /proc/acpi/wakeup
It shows

    XHC1	  S3	*disabled   pci:0000:00:14.0
When I close the lid it suspends, when I open it again I just get a black screen (fans still on, no way to get to another tty)

I also tried suspending via the menu / power button: same results

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Re:Ubuntu 16.04 proves even an LTS release can live at Linux... by phaemon on Tuesday May 10, 2016 @11:17AM (#11667804)
Oh, right. That's a different issue. I've had my laptop do that a couple of times, closing the lid again and re-opening it has fixed it each time, so I never dug into it. I'll have a poke about and see if I can find anything.

Note: You want LID0 to be enabled, so that opening the lid wakes it up.

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Re:Ubuntu 16.04 proves even an LTS release can live at Linux... by phaemon on Tuesday May 10, 2016 @11:30AM (#11667908)
After a bit of poking around, this is perhaps a kernel bug that is fixed in 4.4.8

You could try upgrading your kernel if you're feeling adventurous. If that is the issue, it will probably be backported at some point though.

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Re:Ubuntu 16.04 proves even an LTS release can live at Linux... by vespakoen on Tuesday May 10, 2016 @11:54AM (#11668120)
Cool, I'll wait it out as it isn't really an issue for me, thanks for helping out though, it's really appreciated!
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