From: Andi Kleen <andi@firstfloor.org>
To: "Justin P. Mattock" <justinmattock@gmail.com>
Cc: Andi Kleen <andi@firstfloor.org>,
linux-wireless@vger.kernel.org,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [bisected] sys_paccept: disable paccept() causes my macbook pro to have an annoying whining sound
Date: Thu, 7 Jan 2010 17:02:46 +0100 [thread overview]
Message-ID: <20100107160246.GB16076@basil.fritz.box> (raw)
In-Reply-To: <4B460132.3010706@gmail.com>
> As for the power management
> I didn't think so.. sounds more
> like vibration of a solder joint/capacitor
Typically those are caused by power management -- cpu going in/out
sleep states.
You can check by e.g. limiting your CPU to C1 with
processor.max_cstate=1
-Andi
--
ak@linux.intel.com -- Speaking for myself only.
next prev parent reply other threads:[~2010-01-07 16:02 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-07 6:16 Justin Mattock
2010-01-07 9:51 ` Andi Kleen
2010-01-07 15:43 ` Justin P. Mattock
2010-01-07 16:02 ` Andi Kleen [this message]
2010-01-07 16:34 ` Justin P. Mattock
2010-01-07 19:22 ` Justin P. Mattock
2010-01-07 12:54 ` John W. Linville
2010-01-07 15:45 ` Justin P. Mattock
2010-01-07 20:37 ` John W. Linville
2010-01-07 20:43 ` Justin P. Mattock
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