Date: Mon, 16 Mar 2009 22:23:29 +0100
From: Pavel Machek <pavel@ucw.cz>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Rolf Eike Beer <eike-kernel@sf-tec.de>,
       LKML <linux-kernel@vger.kernel.org>
Subject: Re: No warning on resume with different kernel version
Message-ID: <20090316212329.GA12308@elf.ucw.cz>
References: <200903141629.05282.eike-kernel@sf-tec.de> <20090316113850.GA2423@elf.ucw.cz> <200903162133.10526.rjw@sisk.pl>
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On Mon 2009-03-16 21:33:10, Rafael J. Wysocki wrote:
> On Monday 16 March 2009, Pavel Machek wrote:
> > On Sat 2009-03-14 16:28:59, Rolf Eike Beer wrote:
> > > Hi,
> > > 
> > > I'm sure this had worked before. And since I don't do that on a regular basis, 
> > > but only by accident, I have no idea when it stopped working. But with my 
> > > 2.6.28 kernel and everything more recent I don't get a warning if there is a 
> > > suspend image of a different kernel version, but simply the new kernel starts 
> > > and throws everything away. Is this a kernel fault or something with the 
> > > userspace stuff? Whom to blame for this?
> > 
> > Actually, it should now be possible to resume with different kernel
> > than the one that did the suspendding...
> 
> As long as it is 64-bit.
> 
> Something broke if that doesn't work.
> 
> Rolf, is your kernel 64-bit?

And in 32-bit case, we should refuse to load the image. Something
broke if that does not work :-).
								Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
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