linux-kernel - Re: backing up ext4 fs, system unresponsive, thrashing like crazy even though swap is unused

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Date:	Mon, 26 Nov 2012 04:11:40 +0100
From:	Roland Eggner <edvx1@...temanalysen.net>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	Dimitrios Apostolou <jimis@....net>, linux-kernel@...r.kernel.org
Subject: Re: backing up ext4 fs, system unresponsive, thrashing like crazy
 even though swap is unused

On 2012-11-25 Sunday at 23:56 +0000 Alan Cox wrote:
> > Does anybody know a x86 distribution or live-CD using a 2.6.27.* kernel?
> 
> Probably not a good idea, there are known exploitable holes in 2.6.27 era
> kernels and nobody maintains anything that old.

“old” is relative …

cd git/linux-stable  && git log -1 --date=iso v2.6.27.62
........................................................
commit bc4e1a77b06519a01e7aed1125695598e27ddeb2
Author: Willy Tarreau <w@....eu>
Date:   2012-03-17 14:03:53 +0100

    Linux 2.6.27.62

    Signed-off-by: Willy Tarreau <w@....eu>


… and surely less exploitable than a system suffering oom-killer actions.

Google "linux-2.6.27 download" gives some Ubuntu hits …


> I guess RHEL/Centos might work for you.
>
> I've not had any problems with leaks in 3.6 but there have been a few
> reports and its clear that some obscure configurations trigger something
> bad.
> 
> Gnome 3 on the other hand leaks like a sieve.

For a system with 128 M total RAM, Gnome is obviously off topic.


-- 
Roland

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