[LAD] jackd, harddisks and live performance

torbenh torbenh at gmx.de
Wed Dec 1 12:12:02 UTC 2010

On Tue, Nov 30, 2010 at 11:59:37AM +0200, David Griffiths wrote:
> Hi all,
> I don't know if this is a known issue or something fixed in recent
> kernels, but I recently found a fix for a problem I was having with my
> harddisk spinning down in live performances, and then loading samples
> from disk:
> http://www.pawfal.org/dave/blog/2010/11/jackd-performances-and-harddisks/

apart from just preventing your harddisk from spinning down, you could
also have increased the -t timeout value.

the semantics of --nozombies only prevent zombification of clients which
dont respond to audiocallbacks in time.
if the client hits the request timeout for normal requests it gets

its been a long time since i have seen these kinds of lockups.
what kernel are you using ?

> Also, while I'm here, this was the performance in which I tested the fix
> (slub livecoding at Piksel a couple of weeks ago):
> http://giss.tv/dmmdb//player.php?ID=1450&mode_clip&autoplay=no&baseurl=http%3A%2F%2Fgiss.tv%2Fdmmdb
> cheers,
> dave
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torben Hohn

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