From: Ben Widawsky <ben@bwidawsk.net>
To: Patrick O'Byrne <pobyrne2@gmail.com>
Cc: intel-gfx@lists.freedesktop.org
Subject: Re: Fan constantly running with Intel Graphics card
Date: Sat, 11 Aug 2012 12:17:21 -0700 [thread overview]
Message-ID: <20120811121721.28dacb9c@bwidawsk.net> (raw)
In-Reply-To: <loom.20120810T160149-582@post.gmane.org>
On Fri, 10 Aug 2012 14:28:35 +0000 (UTC)
Patrick O'Byrne <pobyrne2@gmail.com> wrote:
> Hi,
>
> I am having an issue with a new Dell E5520 laptop (Intel(R) Core(TM)
> i5-2520 CPU @ 2.5GHz) running Linux Mint 13 (Kernel: Linux
> 3.2.0-23-generic (i686)). I am using the graphics driver that ships
> with the kernel:
>
> 00:02.0 VGA compatible controller [0300]: Intel Corporation 2nd
> Generation Core Processor Family Integrated Graphics Controller
> [8086:0126] (rev 09)
>
> My problem is that the fan is constantly on even though I am not
> doing any intensive processing. The laptop runs very nicely
> (quietly) when I boot into Windows 7.
>
> There was a recent post which suggests running the following commands:
>
> $ cat /sys/kernel/debug/dri/0/i915_cur_delayinfo | grep Lowest
> then echo that value into the max freq file, e.g.:
> $ echo 400 > /sys/kernel/debug/dri/0/i915_max_freq
>
>
> I tried this (and restarted the machine) but still no joy, it seems
> that in my case GPU frequency is not to blame. Any advice would be
> greatly appreciated.
>
> Regards
> Patrick
>
>
>
Can you please try sysfs_rc6_residency test in intel-gpu-tools? This
might be the same issue I am currently fighting.
--
Ben Widawsky, Intel Open Source Technology Center
prev parent reply other threads:[~2012-08-11 19:17 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-10 14:28 Fan constantly running with Intel Graphics card Patrick O'Byrne
2012-08-11 19:17 ` Ben Widawsky [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=20120811121721.28dacb9c@bwidawsk.net \
--to=ben@bwidawsk.net \
--cc=intel-gfx@lists.freedesktop.org \
--cc=pobyrne2@gmail.com \
/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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox