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From: Thomas Meyer <thomas@m3y3r.de>
To: tglx@linutronix.de
Cc: Michal Piotrowski <michal.k.k.piotrowski@gmail.com>,
	stable@kernel.org, Andrew Morton <akpm@linux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Thomas Meyer <thomas.mey@web.de>
Subject: Re: 2.6.21 known regressions (v2) (for -stable team)
Date: Sat, 28 Apr 2007 20:10:00 +0200	[thread overview]
Message-ID: <46338DF8.8010901@m3y3r.de> (raw)
In-Reply-To: <1177779971.7646.271.camel@localhost.localdomain>

Thomas Gleixner schrieb:
> On Sat, 2007-04-28 at 18:27 +0200, Michal Piotrowski wrote:
>   
>> Subject    : Bad interaction between dynticks and amarok?
>> References : http://lkml.org/lkml/2007/4/26/307
>> Submitter  : Thomas Meyer <thomas.mey@web.de>
>> Status     : Unknow
>>     
>
> Michal,
>
> I don't think this is a regression. What Thomas wanted to point out is,
> that the amarok / sound device is making the positive effect of dynticks
> moot, as it starts to trigger useless interrupts.
>
> Thomas, is my interpretation correct ? Did you check, which interrupt
> was increasing - i.e. was it the soundcard one ?
>   
No, it wasn't the soundcard one. but i had this effect with amarok and
audacious... so, i guessed... which was wrong.

It's the timer interrupt (+50-70 timer interrupts). But i'm not sure
what both applications are doing, while they are "idle"...

with kind regards
thomas


  reply	other threads:[~2007-04-28 18:11 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-04-28 16:27 2.6.21 known regressions (v2) (for -stable team) Michal Piotrowski
2007-04-28 16:52 ` Gene Heskett
2007-04-28 17:18   ` Michal Piotrowski
2007-04-28 17:52     ` Gene Heskett
2007-04-28 18:19   ` [stable] " Greg KH
2007-04-28 21:21     ` Krzysztof Halasa
2007-04-29  1:25       ` Greg KH
2007-04-28 16:58 ` Thomas Gleixner
2007-04-29  5:34   ` send_IPI_mask_bitmask() (Re: 2.6.21 known regressions (v2) (for -stable team)) Len Brown
2007-04-29  8:25     ` Thomas Gleixner
2007-04-28 17:06 ` 2.6.21 known regressions (v2) (for -stable team) Thomas Gleixner
2007-04-28 18:10   ` Thomas Meyer [this message]
2007-04-28 20:04     ` Thomas Gleixner
2007-04-28 18:03 ` Thomas Meyer
2007-04-28 19:06   ` Diego Calleja
2007-04-30 21:30 ` Stephen Hemminger
2007-04-30 22:35   ` Håkan Lindqvist

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