Messages in this thread | | | Date | Thu, 6 Feb 2003 16:37:57 +0100 | From | Pavel Machek <> | Subject | Re: [ACPI] Re: [PATCH] s4bios for 2.5.59 + apci-20030123 |
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Hi!
> > 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. Pavel -- Casualities in World Trade Center: ~3k dead inside the building, cryptography in U.S.A. and free speech in Czech Republic. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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