[PlanetCCRMA] jackd xruns problem: solved? (FC2 kernel)

Ryan ruinaudio@comcast.net
Wed Aug 25 07:36:01 2004


I caught only the tail end of a conversation about midi clock and rtc in
the alsa drivers on #lad.  Sorry to be vague and I'm not sure you were
even part of it, but do you (or anyone) know if there is some option to
get more reliable midi clocks?  IIRC, it's a compile time option?


On Wed, 2004-08-25 at 15:04 +0100, Steve Harris wrote:
> On Tue, Aug 24, 2004 at 07:02:28 -0700, Fernando Pablo Lopez-Lezcano wrote:
> > For tunables and more details see last weeks' post:
> > http://ccrma-mail.stanford.edu/pipermail/planetccrma/2004-August/005789.html
> > 
> > This kernel also includes a patch for the radeon/mga/r128 dri modules.
> > Seems to be working fine so far. 
> > 
> > Anyway, in the FC2 planetedge repository there are also new versions of
> > alsa-driver, alsa-lib, alsa-utils and others, now up to a very recent
> > post 1.0.6a cvs snapshot. 
> > 
> > Let me know of any problems (or successes). 
> Bad news I'm afraid, I'm getting storms of
> delay of 7087.000 usecs exceeds estimated spare time of 5792.000; restart ...
> messages again, and trying to run ardour it gets zombified before it can
> open its main windows.
> I've tried building my own jackd with the printing stuff in another thread
> and with the "spare time" messages disabled, but ardour still gets
> zombified.
> Also the XRUN debugging stuff doesn't seem to be working, I get
> Aug 25 14:44:34 ninkasi kernel: Stack pointer is garbage, not printing trace
> in /var/log/messages, do I have to turn this on in the kernel?
> I'l try rebooting with a different video driver, incase that the problem.
> BTW, there was a P0 and P9 kernel installed, and I wasn't sure which to
> pick, I went with P9 ( I booted it
> without ACPI.
> The card is I82801DBICH4, snd_intel8x0 driver.
> On the upside I was apble ot build ht eipw2100 driver against this kernel,
> but I had to copy a header from the kernel sources into the ipw2100 driver
> directory.
> - Steve
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