From: Mike Galbraith <bitbucket@online.de>
To: Mario Giammarco <mgiammarco@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Fwd: Cpu hotplug causes stutter on AMD platform, how can I disable it?
Date: Mon, 25 Feb 2013 08:43:44 +0100 [thread overview]
Message-ID: <1361778224.4555.163.camel@marge.simpson.net> (raw)
In-Reply-To: <CABQ2P6FVZHWCUogV=xmxv8g-y7RWV_tQqxRMJyxTQK_ixnySjw@mail.gmail.com>
On Sun, 2013-02-24 at 22:59 +0100, Mario Giammarco wrote:
> I have searched on internet and I see that is a problem common to
> several AMD platforms.
> Even in Microsoft Windows several people have the same problem and
> they solved it disabling cool&quiet on bios. It seems that some amd
> cpus on power saving cut off also HT bus blocking data from pcie bus
> (!?!)
> I have tried too and infact disabling cool&quiet improves a lot the problem.
> But I would like to find a better solution, can I disable cpu hotplug?
> Have you heard of this bug before?
I haven't, but likely others have. Hm.. if BIOS is shutting down your
CPUs, I suspect that trying to ignore that in the kernel would be the
mother of all bad ideas :)
-Mike
next prev parent reply other threads:[~2013-02-25 7:43 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <CABQ2P6FJBSeuGjQbOEuek6QXkRzRbQMHvsApq4g2-0OGykjKZw@mail.gmail.com>
2013-02-24 21:59 ` Mario Giammarco
2013-02-25 7:43 ` Mike Galbraith [this message]
2013-02-25 10:07 ` Mario Giammarco
2013-02-26 18:08 ` BUMP " Mario Giammarco
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