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

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Message-Id: <20100825173231.F3E7.A69D9226@jp.fujitsu.com>
Date:	Wed, 25 Aug 2010 17:39:17 +0900 (JST)
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	"M. Vefa Bicakci" <bicave@...eronline.com>
Cc:	kosaki.motohiro@...fujitsu.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

> > #!/bin/bash
> > 
> > rm -vf /tmp/tmp
> > dd if=/dev/zero of=/tmp/tmp bs=1024k count=1600
> > shred -vn1 /tmp/tmp
> > 
> > exit 0 ### removed when testing hibernation
> > 
> > read -p "Press enter to hibernate..."
> > 
> > echo -n reboot > /sys/power/disk
> > echo -n disk > /sys/power/state
> > 
> > echo "Exit code: $?"
> > 
> > rm -vf /tmp/tmp
> 
> Almostly same with my test program ;)

Can you please try to avoid to use /tmp. As I said,

mount -t tmpfs none /mnt/another_tmpfs
dd if=/dev/zero of=/mnt/another_tmpfs/tmp bs=1024k count=1600
shred -vn1 /mnt/another_tmpfs/tmp


That said, We need to know you issue is lots-anon-pages issue or 
filesystem-full issue.


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