On 06/19/2016 11:30 PM, Patrick O'Callaghan wrote:
On Fri, 2016-06-17 at 18:37 +0100, Patrick O'Callaghan wrote:
> On Fri, 2016-06-17 at 10:25 -0700, Rick Stevens wrote:
>>> Now if only there was some way the system could have told me
>>> that,
>> say
>>> an error log where useful messages would appear rather than a lot
>> of
>>> cryptic text that boils down to "something failed" ...
>> Geeze! We should have noticed that it was "hibernation". Yeah,
>> that
>> writes the entire RAM out to swap. Insufficient swap will sure
>> cause
>> hibernation to not work.
> It doesn't write the entire RAM, just what's in use, but I get it.
>
> However I added a large swap file to bring the total up to 16GB and
> it
> *still* fails in the same way. And no, I'm not using more than 16GB
> of
> virtual memory:
>
> $ free
> total used free shared buff/cache
> available
> Mem: 16361232 9910132 645876 497680 5805224
> 5503832
> Swap: 16588792 3653100 12935692
>
> The plot thickens.
It turns out that hibernation can't used multiple swap areas, so the
only solution is to have a large enough swap partition to start with.
poc
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Corey W. Sheldon
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