[linux-audio-dev] xruns, VP kernel, interrupts

[Florian Schmidt]

On Sat, 2 Oct 2004 00:16:59 +0930
John Hedditch <jhedditc at physics.adelaide.edu.au> wrote:

> Hi all.
> 
> Does anyone have any ideas on what this message means:
> 
> Unexpected hw_pointer value [1] (stream = 0, delta: -106, max jitter =
> 128): wrong interrupt acknowledge?
> 
> It seems to accompany the xruns I get with the 2.6.9-rc2-mm4-VP-S7
> kernel. Otherwise, this gives the best results I've yet got with jack.
> 
> Incidentally, has anyone ever had an xrun-free system with 
> 
> jackd -R -d alsa -p64  ?

Hi

i saw these errors when my jack tmpdir was not mounted on a tmpfs mount.
The delays which this caused in the jack client caused errors like the
above.

http://www.affenbande.org/~tapas/wiki/index.php?Jackd%20and%20tmpfs%20%28or%20shmfs%29

flo