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SubjectRe: [TuxOnIce-devel] [RFC] TuxOnIce

Pavel Machek, on 05/10/2009 09:38 AM wrote:
> 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).

Great advice if you have used memory > physical memory!

Just run two firefox's and thunderbird and you will get that pretty quickly:

# free
total used free shared buffers cached
Mem: 2060560 2040656 19904 0 31452 360580
Swap: 5358296 1475504 3882792



> Pavel


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