On Wed, Apr 05, 2017 at 02:56:04PM +1000, Russell Stuart wrote:
> As far as I can tell, for laptop's rebooting is a non-issue mainly
> because suspend is not reliable enough to use safely [0] - so they are
> rebooted every day.  Ergo just fixing bug #744753 would be the cure if
> it is indeed the problem - but it doesn't sound like it to me as this
> isn't a suspend issue.
> 
> [0] By "not safe" I mean suspend can destroy hardware.  Not directly of
>     course.  The first issue is modern laptops have so much DRAM it
>     can drain the battery overnight, which makes suspend pretty useless
>     if you are expecting it to reliably save your work.  The solution
>     is put the laptop into hibernate mode if it's been suspended too
>     long.  This works mostly - but it has one disastrous failure mode.
>     It must wake the laptop up to put it into hibernate mode but
>     sometimes it doesn't wake successfully. The result is the
>     motherboard is powered up, the laptop is in the bag with no 
>     ventilation and the thing cooks.

If you run into such problems, you want to use pm-suspend-hybrid.  In fact,
I'd say it should be the default -- it makes suspend (but not resume)
slower, which matters jack as by that point you've already closed the laptop
and are putting it into your bag, thus you don't give it any attention
anymore.

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