linux-kernel - Re: swsusp problem

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Message-ID: <20060911080458.GB1898@elf.ucw.cz>
Date:	Mon, 11 Sep 2006 10:04:58 +0200
From:	Pavel Machek <pavel@....cz>
To:	Dmitry Torokhov <dtor@...ightbb.com>
Cc:	Piotr Gluszenia Slawinski <curious@...by.dyndns.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>, linux-kernel@...r.kernel.org
Subject: Re: swsusp problem

Hi!

> > > >What kind of machine is that? What cpu? Really 486?
> > > 
> > > yes, it's viglen dossier 486 based laptop .
> > 
> > Forget it, this thing does not support 4MB pages, and swsusp currently
> > needs them. (We'll need to fix that, but not now -- fix is port of
> > page-table handling code from x86-64).
> > 
> > It should die with
> > 
> >         if (!cpu_has_pse) {
> >                 printk(KERN_ERR "PSE is required for swsusp.\n");
> >                 return -EPERM;
> >         }
> > 
> > ...can you investigate why it does not?
> > 
> 
> Probably because of this:

Oops, aha, really? I thought only pentium+ supported 4MB tables?

Does it also support cr4? Anyway, someone interested in history needs
to play with this one ;-).

> > > flags : fpu vme pse
>                     ^^^

								Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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