[PlanetCCRMA] More hdsp/alsa drama

[Fernando Lopez-Lezcano]

On Thu, 2007-12-06 at 20:39 +0100, Michael E. Smith wrote:
> Hello:
> 
> My new install of Fedora 8/CCRMA isn't playing well with my
> hdsp(pci)/digiface.

Yeah... there's a problem in the alsa system. I'll see if I can release
a kernel today with a tentative patch (reverts a change in the rme
driver) that seems to fix the problem. 

-- Fernando


> I've seen that others are having problems too, but not necessarily the
> same. I've got bizarre routing happening all on its own. At first I
> didn't notice it, and tests seemed to be fine, but as soon as I powered
> up all of my outboard converters and console, all hell broke loose with
> feedback loops on several channels.
> 
> Stranger still, I can't find any logical evidence of the routing in
> hdspmixer. I did find ONE fader (A2 7 or 15) that seems to be the
> fulcrum of the problem, but nothing (digital or analog) is being routed
> to or from it, at least not on purpose. 
> 
> Jack seems to start up and run just fine just fine.
> 
> The behavior exhibits itself with both the latest CCRMA and stock
> kernels.
> 
> Rebooting to my FC6/CCRMA partition (which, incidentally, has the same
> version of ALSA; 1.0.15) doesn't produce the same problem. And yes,
> that's with identical analog and digital routing.
> 
> Could it possibly have something to do with this new pulse audio stuff?
> As far as I can tell, it's not trying to do anything with the hdsp
> stuff, and disconnecting the pulse audio server has no effect.
> 
> I've got a laptop with Fedora 8/CCRMA 64bit with an
> hdsp(cardbus)/digiface that I'll test next and report back.