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]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20121116124018.GA12289@kroah.com \
--to=greg@kroah.com \
--cc=linux-hotplug@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.