Re: kernel 2.6.32 much slower than 2.6.31 on s2disk

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On Wednesday 16 December 2009, Willi Mann wrote:
> Hi!
> 
> It seems to me that kernel 2.6.32 takes much longer to restore the system 
> into a really responsive state, despite the fact that s2disk seems to finish 
> much faster. 
> 
> I don't know to how to do a reliable benchmark on this problem, espially as 
> the required time probably very much depends on the exact state of the 
> frozen system. Is there any change in 2.6.32 that might cause less memory to 
> be stored on the suspend device, and thus require more random disk access 
> after the restore?

Actaully, yes, there is.

Please try to increase the value in /sys/power/image_size to approximately
1/2 of your RAM and report back (the number is in bytes).

Rafael
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