Re: [linux-pm] intermittent suspend problem again

From: Rafael J. Wysocki
Date: Fri Oct 30 2009 - 16:36:52 EST


On Friday 30 October 2009, Ferenc Wagner wrote:
> "Rafael J. Wysocki" <rjw@xxxxxxx> writes:
>
> > On Thursday 29 October 2009, Ferenc Wagner wrote:
> >
> >> "Rafael J. Wysocki" <rjw@xxxxxxx> writes:
> >>
> >>> Which part of it is getting slower? Saving the image, suspending
> >>> devices or the entire hibernation overall?
> >>
> >> "Snapshotting system" before saving the image
> >
> > That may be a result of changing the way in which image memory is reserved.
> > How much memory is there in your machine?
>
> 512 MB.

So it's likely the slowdown results from the memory management rework.
Hopefully, it'll improve in the future.

> >> and saving the image as well. If s2disk didn't report funny huge negative
> >> ratios all the time,
> >
> > Hmm. This looks like a bug in s2disk.
>
> Definitely. Do you also experience this?

Not really, but I use newer versions.

> Probably an easy one, but I've never had the chance to check the CVS version
> (running 0.7 at the moment). I can probably give 0.8 a spin if you deem
> necessary. I always thought it wasn't more than a cosmetic flaw.

It probably is. You can try the current version from my git tree at:
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-utils.git

Thanks,
Rafael
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