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SubjectRe: [ACPI] Re: [PATCH] s4bios for 2.5.59 + apci-20030123

> > Some people apparently want slower suspend/resume but have all caches
> > intact when resumed. Thats not easy for swsusp but they can have that
> > with S4bios. And S4bios is usefull for testing device support; it
> > seems to behave slightly differently to S3 meaning better testing.
> Whether its slower depends on the hardware; on my 128MB Celeron 933
> laptop (17MB/s HDD), I can write an image of about 120MB, reboot and get
> back up and running in around a minute and a half. That's about the same
> as far as I remember, but has (as you say) the advantage of not still
> having to get things swapped back in.
> > If you already have hibernation partition from factory, which you are
> > using anyway for w98, S4bios is easier to use and more foolproof
> > (i.e. you can't boot into wrong kernel which does not resume but does
> > fsck instead).
> It doesn't really matter what kernel is loaded when we start a resume
> anyway, does it? Could they not be different versions because one is
> going to replace the other anyway?

No, no. It has to be exactly the same kernel, otherwise you get a nice
crash (if you are lucky) and ugly data corruption (when you are not);
there's check to prevent that and panic, however.

That's why I call S4bios more foolproof.
Casualities in World Trade Center: ~3k dead inside the building,
cryptography in U.S.A. and free speech in Czech Republic.
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