linux-kernel - Re: Local DoS through write heavy I/O on CFQ & Deadline

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Message-ID: <20121011144634.7017e270@pyramind.ukuu.org.uk>
Date:	Thu, 11 Oct 2012 14:46:34 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Alex Bligh <alex@...x.org.uk>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Local DoS through write heavy I/O on CFQ & Deadline

> We have reproduced this on multiple hardware environments, using 3.2
> (/proc/version_signature gives "Ubuntu 3.2.0-29.46-generic 3.2.24").
> Anecdotally we believe the situation has worsened since 3.0.

I've certainly seen this on 3.0 and 3.2, but do you still see it on
3.5/6 ?
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