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

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Message-Id: <20100823091948.6029.A69D9226@jp.fujitsu.com>
Date:	Mon, 23 Aug 2010 09:22:02 +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 causes hibernationto hang


sorry, my last mail has some mistake.

> Hmm... 
> I've tested hibernation case for a while. but I have no luck. I couldn't
> reproduce your issue. Very sorry. Can you please help our debugging? 
> If possible, I hope to run following three test.
> 
> 1. Please let me know your machine & test script
> 

% ./your-fills-up-the-tmpfs-script   (i.e. run your script)

> % cat /proc/meminfo
> % cat /proc/vmstat
> % cat /proc/zoneinfo
> % df
> % cat your-fills-up-the-tmpfs-script
> 
> 2. call shrink_all_memory() forcely and show result
> 


% ./your-fills-up-the-tmpfs-script

> % cat /proc/meminfo
> % cat /proc/zoneinfo
> # echo 1 > /proc/sys/vm/shrink_all_memory
> # tail /var/log/messages
> % cat /proc/meminfo
> % cat /proc/zoneinfo
> 
> 
> 3. reset zone_reclaim_stat and rerun shrink_all_memory
> 


% ./your-fills-up-the-tmpfs-script

> # echo 1 > /proc/sys/vm/reset_reclaim_stat
> % cat /proc/meminfo
> % cat /proc/zoneinfo
> # echo 1 > /proc/sys/vm/shrink_all_memory
> # tail /var/log/messages
> % cat /proc/meminfo
> % cat /proc/zoneinfo
> 
> 



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