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Message-ID: <20090510053820.GF1363@ucw.cz>
Date:	Sun, 10 May 2009 07:38:21 +0200
From:	Pavel Machek <pavel@....cz>
To:	Shannon McMackin <smcmackin@...il.com>
Cc:	linux-kernel@...r.kernel.org, tuxonice-devel@...ts.tuxonice.net
Subject: Re: [TuxOnIce-devel] [RFC] TuxOnIce

Hi!

>>> To summarise disadvantages:
>>>
>>> - only core has 8000 LoC
>>> - it does stuff that can be easily done in userspace
>>>     (and that todays distros _do_ in userspace).
>>> - it duplicates uswsusp functionality.
>>> - compared to [u]swsusp, it received little testing
>>>
>>
>> To summarise advatages - for me tuxonice is the only hibernation method that works.
>> (Till now I've had 3 machines - no one of them able to resume with in-kernel swsusp.)
>>
> Just to add my 2 cents as a user of TOI.  Every distro and release I've  
> tried has one major issue with kernel hibernation.  Upon resume when  
> hibernating large images, there's a residual footprint in swap.  Every  
> further hibernation creates a larger footprint, to the order of an  
> additional 5-7% each time.  Nobody has ever cared in any forum to  
> explain why or how I might change that.

Maybe you should explain why it is a 'major issue'?

(Use swapoff -a; swapon -a to 'cure' it).

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