Re: [linux-pm] [PATCH 0/8] Suspend block api (version 8)

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On Fri, 2010-05-28 at 10:35 -0400, Alan Stern wrote:
>         The app is busy doing something else unimportant
>         We do into power save
>         Push a button, generate an IRQ
>         Come out of power save
>         No app to poke
>         * System goes back to sleep and eventually wakes up again
>         The app finishes what it was doing
>         The app sees there is a keystroke and marks itself important
>         ...
> 
> The * step is where trouble can occur. 

Only because you don't run runnable tasks. Please stop considering that
an option and these problems go away.
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