From: Clemens Ladisch <clemens@ladisch.de>
To: Guillaume Clement <gclement@baobob.org>
Cc: alsa-devel@alsa-project.org
Subject: Re: [snd-usb-audio] frequent "delay: estimated xxx, actual yyy" messages
Date: Tue, 24 Apr 2012 15:59:15 +0200 [thread overview]
Message-ID: <4F96B1B3.1060606@ladisch.de> (raw)
In-Reply-To: <1383683.z6YHnxXImd@siegfried>
Guillaume Clement wrote:
> Could the delay not be the cause, but a side effect ?
Yes, that's probable. It might be possible that some interrupt got
delayed too much, or that packets were completed in wrong order.
> Do you have any idea why keeping my CPU busy removes the problem ?
I'd guess that an idle CPU needs a longer time to wake up.
What CPU and what CPU frequency governor are you using?
Regards,
Clemens
next prev parent reply other threads:[~2012-04-24 13:55 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-21 10:22 [snd-usb-audio] frequent "delay: estimated xxx, actual yyy" messages Guillaume Clement
2012-04-23 17:43 ` Pierre-Louis Bossart
2012-04-23 19:40 ` Guillaume Clement
2012-04-24 13:59 ` Clemens Ladisch [this message]
2012-04-25 18:06 ` Guillaume Clement
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