Re: swappiness=0 makes software suspend fail.

[Nigel Cunningham <ncunningham@linuxmail.org>]

Hi.

Pavel Machek wrote:
>>>btw, software suspend wrecks your swap partition if you suspend to swap but
>>>do not resume from swap - you need to run mkswap again.  Seems odd.
>>
>>I think it's intentional, so that if you you boot to a different kernel swapon 
>>-a won't automount the swap partition and hork your saved image.
> 
> 
> Actually, we *want* to hork that saved image, because it is extremely
> dangerous to resume from it.
> 
> We also want to kill suspend signature ASAP, so that if driver kills
> resume and user presses reset, we will not try to resume again and
> fail in exactly same way.
> 								Pavel

Suspend2 fixes the header and records when you've attempted to resume from it. If you try a second 
time it gives you the option of invalidating the image or trying to resume. Pavel, feel free to grab 
the code out of suspend2 if you want.

Nigel
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