[linux-audio-user] The trouble with disks

John Anderson ardour at semiosix.com
Fri Dec 19 14:19:31 EST 2003


On Fri, 2003-12-19 at 20:47, Mark Knecht wrote:
> I think the point that Jan made in another thread somewhere on this tmpfs
> subject (and I may be wrong here so don't take this as gospel) is that since
> Jack is now compiled to use a specific FIFO location, if you change the
> location in fstab then you *must* recompile Jack to point it to the new
> location. I'm just being extra careful in asking you if you actually did
> that recompile.

Oh, right. Yeah, I did recompile to use the location where I have tmpfs
mounted. And jackd --version gives me the same directory.

> > Only at 48k - that's all I've got.
> >
> Because that's all the sound card will do? It won't run at 44.1K?

The card is fine at 44.1 - it's a Terratec EWS88MT. I just haven't used
48K for my ardour sessions.

> An idea? Have you tried running an 'all software' experiment, or 'almost all
> software', to understand whether it's really the disk causing this? What
> happens if you load up a CD with Alsaplayer and play it, and then patch in
> some Jack clients like freqtreak, tapiir, etc., multiple times to create a
> lot of Jack traffic, but little or no hard disk traffic? You can create an
> arbitrarily complicated setup to maybe explore whether the problem is with
> Jack, or possibly with your motherboard, it's memory usage, other
> applications that are running. If these work right, but then a disk based
> operation fails, you have more info....

Sounds good, I'll try that.

bye
John





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