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From: Takashi Iwai <tiwai@suse.de>
To: Erik de Castro Lopo <erikd-alsa@mega-nerd.com>
Cc: alsa-devel@lists.sourceforge.net
Subject: Re: Dmix using more CPU than plug:hw
Date: Wed, 11 May 2005 15:23:41 +0200	[thread overview]
Message-ID: <s5hmzr128wy.wl@alsa2.suse.de> (raw)
In-Reply-To: <20050507095346.37b16e6a.erikd-alsa@mega-nerd.com>

At Sat, 7 May 2005 09:53:46 +1000,
Erik de Castro Lopo wrote:
> 
> 
> Note : Please CC me on responses as I am not subscribed to this 
> list.
> 
> Hi all,
> 
> I'm playing around with Polypaudio (an EsoundD replacement) and
> find that it works really well when I connect it to the plug:hw
> and the CPU usage is as I would expect.
> 
> If on the other hand I connect Polypaudio to the plug:dmix1
> (defined as below) device it attempts to chew up 100% of CPU and 
> then dies.
> 
> The ALSA version is whatever is in the 2.6.11 kernel. I have also
> seen this problem on two different systems (iBook/Tumbler and
> ia32/CMI8738) so its not hardware specific.
> 
> Does anyone have any ideas as to why a dmix device behaves so
> differently to plug:hw?

Does it still happen with 1.0.9rc3?


Takashi


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  reply	other threads:[~2005-05-11 13:23 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-05-06 23:53 Dmix using more CPU than plug:hw Erik de Castro Lopo
2005-05-11 13:23 ` Takashi Iwai [this message]
2005-05-11 14:03   ` Thierry Vignaud
2005-05-11 14:14     ` Takashi Iwai
2005-05-11 14:19       ` Thierry Vignaud
2005-05-12 10:08       ` Erik de Castro Lopo
2005-05-12 10:43         ` Takashi Iwai
2005-05-12 12:24           ` Erik de Castro Lopo
2005-05-12 12:53             ` Erik de Castro Lopo
2005-05-12 14:19         ` Lee Revell

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