From: Pavel Machek <pavel@ucw.cz>
To: Nigel Cunningham <ncunningham@clear.net.nz>
Cc: "Grover, Andrew" <andrew.grover@intel.com>,
ducrot@poupinou.org,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
ACPI List <acpi-devel@lists.sourceforge.net>
Subject: Re: [ACPI] Re: [PATCH] s4bios for 2.5.59 + apci-20030123
Date: Thu, 6 Feb 2003 16:37:57 +0100 [thread overview]
Message-ID: <20030206153757.GB19350@atrey.karlin.mff.cuni.cz> (raw)
In-Reply-To: <1044477704.1648.19.camel@laptop-linux.cunninghams>
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.
next prev parent reply other threads:[~2003-02-06 15:28 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-02-04 1:25 [PATCH] s4bios for 2.5.59 + apci-20030123 Grover, Andrew
2003-02-04 22:10 ` Pavel Machek
2003-02-05 20:05 ` [ACPI] " Ducrot Bruno
2003-02-05 20:41 ` Nigel Cunningham
2003-02-06 10:16 ` Ducrot Bruno
2003-02-06 19:41 ` Nigel Cunningham
2003-02-06 21:05 ` Ducrot Bruno
2003-02-07 3:57 ` Nigel Cunningham
2003-02-07 16:00 ` Pavel Machek
2003-02-09 19:42 ` Nigel Cunningham
2003-02-06 15:37 ` Pavel Machek [this message]
2003-02-06 19:44 ` Nigel Cunningham
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