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From: mru@kth.se (Måns Rullgård)
To: linux-kernel@vger.kernel.org
Subject: Re: Increasing HZ (patch for HZ > 1000)
Date: Sat, 13 Dec 2003 03:25:07 +0100	[thread overview]
Message-ID: <yw1xn09xwj24.fsf@kth.se> (raw)
In-Reply-To: 20031212234028.GA541@elf.ucw.cz

Pavel Machek <pavel@ucw.cz> writes:

>> > Every notebook from thinkpad 560X up has produced some kind of
>> > cpu-load-related-noise. You'd have to throw out quite a lot of
>> > notebooks...
>> 
>> You're right, I'm probably not the only one. It may be worth at least
>> having an option to change HZ to less annoying values. Otherwise there
>> are going to be lots of complaints when people try out 2.6 on their
>> laptops and hear that noise. On mine, I seriously could not stand the
>> noise more than 5 minutes. Not because it was that loud but 1 kHz is
>> really annoying.
>
> Okay, we are probably taking other sounds. I can hear cpu-load-related
> noise on every notebook from thinkpad 560X -- in a quiet room, and on
> some machines its rather hard to notice. You probably have way more
> annoying problem.

My laptop makes a slight noise in the speakers when there are
interrupts.  It's only noticeable with an external amplifier
connected.  There's also some ~1 kHz sound coming from the vicinity of
the CPU, particularly when there is network activity.

-- 
Måns Rullgård
mru@kth.se


  reply	other threads:[~2003-12-13  2:25 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-12-11  6:05 Increasing HZ (patch for HZ > 1000) Jean-Marc Valin
2003-12-11  7:07 ` Martin J. Bligh
2003-12-11  7:15   ` Jean-Marc Valin
2003-12-11  7:18     ` Martin J. Bligh
2003-12-11 17:18       ` Gene Heskett
2003-12-11 17:33         ` Martin J. Bligh
2003-12-11 18:10           ` Richard B. Johnson
2003-12-11 19:14             ` Gene Heskett
2003-12-11 18:35           ` Gene Heskett
2003-12-12 22:08       ` Pavel Machek
2003-12-12 22:57         ` Jean-Marc Valin
2003-12-12 23:18           ` Måns Rullgård
2003-12-12 23:40           ` Pavel Machek
2003-12-13  2:25             ` Måns Rullgård [this message]
2003-12-16  3:04             ` john stultz
2003-12-16  5:20               ` Mitchell Blank Jr
2003-12-14  1:05           ` bill davidsen
2003-12-14  4:48             ` Pat Erley
2003-12-11  7:30     ` Nick Piggin
2003-12-11  8:25     ` Tim Schmielau
2003-12-12  8:00   ` Jean-Marc Valin
2003-12-12 22:10     ` Pavel Machek
2003-12-12 22:50       ` Jean-Marc Valin
2004-01-03 18:16         ` Bill Davidsen
     [not found]         ` <010f01c415a4_27033d00_d100000a@sbs2003.local>
2004-04-06 13:00           ` Pavel Machek
2003-12-11 19:22 Grover, Andrew
2003-12-12 22:31 ` Jamie Lokier
2003-12-12 22:58   ` Vojtech Pavlik
2003-12-12 23:45     ` Jamie Lokier
2003-12-13  8:36       ` Vojtech Pavlik
2003-12-12 15:52 Vincent Legoll

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