OT: hdsp not happy with recent kernels

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On Thu, 2012-09-13 at 15:51 -0700, Len Ovens wrote:
> On Thu, September 13, 2012 2:08 pm, Fernando Lopez-Lezcano wrote:
> > On 09/13/2012 01:56 PM, Ralf Mardorf wrote:
> >> On Thu, 2012-09-13 at 13:45 -0700, Fernando Lopez-Lezcano wrote:
> >>> On 09/13/2012 01:28 PM, Ralf Mardorf wrote:
> >>>> On Thu, 2012-09-13 at 16:14 -0400, Peter Lutek wrote:
> >>>>> as a quick test, i burned and booted an Ubuntu Studio 12.04 live DVD.
> >>>>> the kernel on that image is 3.2.0-23-lowlatency. i get the same
> >>>>> problems as i reported initially... meh!
> >>>>
> >>>> Did you remove pulseaudio?
> >>>
> >>> The universal default response to any problem with audio on linux is
> >>> not
> >>> "remove pulseaudio". Sometimes there are audio problems that have
> >>> __nothing__ to do with pulse audio! Let's try to do some debugging
> >>> instead of guessing, please.
> >>
> >> Ubuntu Studio Precise ships with a jack-pulseaudio-bridge. Of course, my
> >> RME card can record, but not play when pulseaudio runs, but with the
> >> Ubuntu Studio Precise default, this running bridge thingy, my RME PCIe
> >> card didn't work.
> >
> > Thanks for the explanation... I still find it hard to believe that pulse
> > audio will make the RME card fail _in the way it was described in the
> > thread_, but of course everything is possible.
> 
> It depends how pulse is set up. If pulse is also connected to the internal
> card (that is the internal card is not turned off in pulse) Then the pulse
> jacksink/source modules will hold jack to whatever that internal card is
> doing. I have had good success using the pulse-jack bridging provided jack
> is the only input/output pulse sees. As soon as pulse sees other i/os I
> have problems. Pulse has to be able to lock to jack or the other way
> around for things to work with the bridge. I started by just unloading the
> pulse jackdetect module which seems to work too. (this is a way of using
> internal sound for desktop and jack for other things)

My on-board device is turned of, but I kept my two Envy24 cards as MIDI
devices and indeed, a pulseaudio settings GUI showed the Envy24 cards,
but not the RME (hw:0).



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