linux-kernel - Re: 2.6.37-rc1+: hibernate regression, claims not enough swap space

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Message-Id: <201011162328.35599.rjw@sisk.pl>
Date:	Tue, 16 Nov 2010 23:28:35 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Pavel Machek <pavel@....cz>
Cc:	kernel list <linux-kernel@...r.kernel.org>,
	"Linux-pm mailing list" <linux-pm@...ts.linux-foundation.org>
Subject: Re: 2.6.37-rc1+: hibernate regression, claims not enough swap space

On Tuesday, November 16, 2010, Pavel Machek wrote:
> On Tue 2010-11-16 06:26:34, Pavel Machek wrote:
> > Hi!
> > 
> > > > ...but there's enough -- or at least it was enough to fit previous
> > > > versions. 32-bit machine, so it has highmem.
> > > > 
> > > > System is in console mode, very lightly loaded.
> > > > 
> > > > Mem:   2054716k total,   736548k used,  1318168k free,    15368k buffers
> > > > Swap:   779148k total,     2360k used,   776788k free,   546388k cached
> > > 
> > > Well, the swap is rather in short supply.  Below the 50% of RAM recommendation.
> > 
> > Well, but the biggest image we can write is not 50% of RAM, but 50% of
> > lowmem... and swap is nearly as big as lowmem in this case -- so this
> > machine is not misconfigured.
> 
> BTW swsusp.txt may need updating, it says:
> 
> echo N > /sys/power/image_size
> 
> before suspend (it is limited to 500 MB by default).

Yes, this needs to be updated.

Thanks,
Rafael
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