linux-kernel - Re: [Bisected Regression in 2.6.35] A full tmpfs filesystem causeshibernation to hang

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Message-Id: <201008251931.29835.rjw@sisk.pl>
Date:	Wed, 25 Aug 2010 19:31:29 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
Cc:	"M. Vefa Bicakci" <bicave@...eronline.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [Bisected Regression in 2.6.35] A full tmpfs filesystem causeshibernation to hang

On Wednesday, August 25, 2010, KOSAKI Motohiro wrote:
> > > % cat /proc/meminfo
> > 
> > MemTotal:        3104484 kB
> > MemFree:         2817616 kB
> > Buffers:           31156 kB
> > Cached:           142124 kB
> > SwapCached:            0 kB
> > Active:           116464 kB
> > Inactive:         137424 kB
> > Active(anon):      80852 kB
> > Inactive(anon):    24820 kB
> > Active(file):      35612 kB
> > Inactive(file):   112604 kB
> > Unevictable:          32 kB
> > Mlocked:              32 kB
> > HighTotal:       2226632 kB
> > HighFree:        1994008 kB
> > LowTotal:         877852 kB
> > LowFree:          823608 kB
> > SwapTotal:       1999540 kB
> > SwapFree:        1999540 kB
> 
> !! Your swap partition is smaller than physical memory. As far as I know,
> swap partition need physcal-mem x 2 size. Can you please try to change 
> swap configuration?
> 
> Rafael, please correct me if I'm talking wrong.

No, we only save 50% of RAM (at most) during hibernation.

Thanks,
Rafael
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