[ltp] T41: swsusp vs. swsusp2

[Peter B. West]

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Matthew Garrett wrote:
> On Thu, Nov 10, 2005 at 03:59:30PM +0000, honey wrote:
> 
>> Hard one to call.  Swsusp (1) is ancient and pretty much unmaintained
>> as far as I can see.  It's in the kernel, but distros like Red Hat
>> refused to switch it on by default as it still provoked the occasional
>> accusation of file corruption on lkml.
> 
> The in-kernel code is very much maintained, and the last file-corruption 
> issue turned out to be due to someone mounting a filesystem read/write 
> before resuming (and so triggering journal playback).
> 
>> Swsusp2, aka suspend2 has a really solid, friendly and competent 
>> development team behind it, and is on its way into the kernel (see
>> recent discussions on lkml) but isn't there yet.  Try #suspend2 on
>> Freenode or the mailing list and see what a nice responsive community it
>> is - a pleasant surprise.  It had a rough patch 6 months ago but has 
>> been rock solid for me for ages.  I've never lost a file to it: some 
>> have, but I suspect they didn't know how to recover properly during 
>> that rough patch.
> 
> It's not entirely clear that suspend2 (in its current form) will be in 
> the kernel in any sort of sensible timeframe. There's still disagreement 
> over whether certain aspects of it are the correct approach.
> 
>>> * Speed
>> Suspend2 hands down.
> 
> This, however, is absolutely true.

Ok, so does the in-kernel swsusp work?  I have a TP G41 with a HT P4 
processor.  I gather that I cannot suspend to RAM while running in HT. 
Will swsusp work?  Does it suspend to swap?  How much swap do  need? 
Where can the answers to this and a host of other questions be found?

Peter
-- 
Peter B. West <http://cv.pbw.id.au/>
Folio <http://defoe.sourceforge.net/folio/>

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