From: Greg KH <greg@kroah.com>
To: linux-hotplug@vger.kernel.org
Subject: Re: DQ77KB 100% kworker or high pitch noise
Date: Fri, 16 Nov 2012 12:40:18 +0000 [thread overview]
Message-ID: <20121116124018.GA12289@kroah.com> (raw)
In-Reply-To: <50A63221.4010806@gmail.com>
On Fri, Nov 16, 2012 at 01:31:29PM +0100, Timo wrote:
> Hi,
>
> I have an Intel motherboard DQ77KB which has a 2-pin header which
> says panel_off and a fresh Ubuntu 12.10 (3.5.0-18-generic
> ) install and a display connected via Displayport (DP1, not eDP1).
> If I connect the header in the running system a kworker process pops
> up with 100% cpu usage. If I leave the header unconnected no kworker
> process runs, which is good, but a pitch noise comes from the
> motherboard, probably from some voltage regulators.
>
> I am no programmer, and I don't understand much about the kernel.
> But I would like to get the problem solved. If I can be any help,
> please let me know.
Given that you are running the Ubuntu disto, I suggest you file a bug in
their bug tracking system, as they are the best ones that can help track
down this issue for you.
Best of luck,
greg k-h
prev parent reply other threads:[~2012-11-16 12:40 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-11-16 12:31 DQ77KB 100% kworker or high pitch noise Timo
2012-11-16 12:40 ` Greg KH [this message]
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