Re: Bug#234976: kernel-source-2.6.4: Software Suspend doesn't work

["Nigel Cunningham" <ncunningham@linuxmail.com>]

Hi.

On Mon, 26 Apr 2004 20:40:15 +1000, Herbert Xu  
<herbert@gondor.apana.org.au> wrote:

> On Mon, Apr 26, 2004 at 07:48:34PM +1000, herbert wrote:
>>
>> A simple solution is to copy the pages in reverse.  This way the
>> top page table is filled in last which should resolve this particular
>> issue.  The following patch does exactly that and fixes the problem
>> for me.
>
> Of course this doesn't work for machines without PSE.  But then the
> original code didn't work either.  Since resuming from 486's isn't
> that cool anyway, IMHO someone should just add a PSE check in the
> swsusp/pmdisk init code on i386.

There used to be such a check. Centrinos, however, if I recall correctly,  
don't have PSE but can suspend with our current method. Perhaps we can  
come up with a more nuanced test? Better still, though, we should just get  
proper AGP support for suspending and resuming in.

Nigel
-- 
Nigel Cunningham
C/- Westminster Presbyterian Church Belconnen
61 Templeton Street, Cook, ACT 2614, Australia.
+61 (2) 6251 7727 (wk)