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Message-ID: <c30988c30811021437k74c86dcr9a1cda234a1716c9@mail.gmail.com>
Date: Sun, 2 Nov 2008 17:37:58 -0500
From: "Joshua Murphy" <poisonbl@gmail.com>
To: gentoo-user@lists.gentoo.org
Subject: Re: [gentoo-user] Screwed up swap while trying to get hibernate working; help
In-Reply-To: <490BE6B3.4040300@netspace.net.au>
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References: <20081031035456.GA4974@waltdnes.org>
<c30988c30810311051w767a6789ue7e06fc2af262581@mail.gmail.com>
<490BE6B3.4040300@netspace.net.au>
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On Sat, Nov 1, 2008 at 12:18 AM, Iain Buchanan <iaindb@netspace.net.au> wrote:
> Joshua Murphy wrote:
>>
>> On Thu, Oct 30, 2008 at 11:54 PM, Walter Dnes<waltdnes@waltdnes.org>
>> wrote:
>>>
>>> I ran hibernate once unsuccessfully. I forgot to put "resume=" into
>>> my lilo.conf (oops). I finally did that, but now, hiberate gets to...
>>>
> [snip]
>>>
>>> What did I did? And how do I straighten it out?
>>
>> Umm... if you're hibernating to the same swap partition you're using
>> when the system's live... I'm pretty sure you can't do that...
>
> :) Actually it can! This is the whole point of using a swap partition for
> hibernating! In fact, this is the only configuration I used (one swap
> partition to suspend to) for years, until I got a laptop with 4G ram I
> thought a large swap partition was a bit redundant. Now I hibernate to a
> file.
>
> tuxonice can hibernate to 1 or more swap partitions.
>
>> even if
>> everything does manage to fit, having sort out what belongs back in
>> ram and what doesn't ... it's not a very sane thing to expect the
>> kernel+userspace tools there to do. If I recall from last time I
>> considered setting it up on my system, software hibernate needs an
>> otherwise unused swap partition that's just a little bigger than the
>> amount of physical ram in your system.
>
> actually it can also free up some ram, and your image is compressed using
> lzf which can achieve a claimed 30 - 50% but generally you should have
> enough free swap to cover the size of used RAM.
>
> If you have too little swap, tuxonice will "abort gracefully"
>
> cya,
> --
> Iain Buchanan <iaindb at netspace dot net dot au>
>
> "He don't know me vewy well, DO he?" -- Bugs Bunny
>
>
I stand quite humbly corrected... this is what I get for leaving my
old desktop running 24/7 unless kernel changes or power outtages
interrupted. Now with my playing Combat Arms... and being limited to
Windows for that... I may well resort to setting up hibernating for my
system... finally. Great to know the details better now! (and my
apologies for the misinformation)
--
Poison [BLX]
Joshua M. Murphy