Re: [alsa-devel] Fw: BUG: Kernel panic when disconnecting Edirol USB2 audio interface

[Colin Fletcher <colinf@axicon.com>]

Lee Revell wrote:
> On Mon, 2005-06-27 at 20:31 -0700, david-b@pacbell.net wrote:

>>No.  "frame" == ambiguous.  This message is on a USB list, where the
>>no-adjective version means "USB frame".  It's also cross-posted to
>>a list where the no-adjective version means something very different.
>>
>>The only solution that removes ambiguity for _everyone_ is to ensure
>>that such words never appear without an adjective.
>>

I'm sorry for being the originator of such confusion. I'll try to be 
less ambiguous from now on :-)

> So what the poster was saying was that if he uses 64 audio frames per
> period, which at 44.1KHz requires the audio interface to deliver a chink
> of data every ~1.4ms, he gets periodic xruns, IOW the audio interface is
> not able to do that.  If he uses 128, he gets no xruns, so he's getting
> a chunk of data every 2.8ms, but it's corrupted, hence the crackling.


That's exactly right, though yesterday's ALSA CVS almost completely 
cures the xruns (only four in > 25 minutes so far today).

Colin Fletcher

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