Re: [linux-audio-user] Re: HDSPmixer problem

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Subject: Re: [linux-audio-user] Re: HDSPmixer problem
From: Fernando Lopez-Lezcano (nando_AT_ccrma.stanford.edu)
Date: Thu Dec 16 2004 - 00:12:39 EET

On Wed, 2004-12-15 at 08:49, Kevin Ernste wrote:
> UPDATE:
>
> I just installed the latest stock Fedora kernel for kicks,
> 2.6.9-1.681_FC3 (using it's own ALSA modules, not sure what version)
> and HDSPmixer now works. The outputs show up and peak meters fly the
> way they should.
>
> Unfortunately this kernel is probably not usable without all of
> Fernando's lowlat goodies, realcap, etc...I was finally getting
> excellent performance with JACK et al on
> kernel-2.6.8.1-1.520.2vS7.ll...
>
> Is there a newer 2.6.9 kernel rpm (srpm ideally) with lowlat, etc
> applied out there for testing? I didn't see anything beyond
> 2.6.8.1-1.520.2vS7.ll in Planet SRPMS.

Coming really really soon to a Planet (CCRMA) near you... I'm currently
building a 2.6.10-rc3-mm1-v0.7.33-0 kernel (already obsolete, current is
33-4 :-), has worked fine in limited tests.

-- Fernando

> On Wed, 15 Dec 2004 03:54:06 -0500, Kevin Ernste <kevinernste_AT_gmail.com> wrote:
> > Hello -
> >
> > I just installed a new HDSP multiface with PCI on a PlanetCCRMA/FC3
> > box, kernel 2.6.8.1-1.520.2vS7.ll, ALSA 1.07 (homemade rpms) and am
> > not seeing any output levels on HDSPmixer (bottom row) despite
> > actually hearing the signal I expect (sounds great).
> >
> > Modules/firmware load beautifully, I can route signal with HDSPmixer
> > as expected, adjust levels, etc, just no visual feedback from the
> > outputs row either with vu levels or changing peak values.
> >
> > Also on mixer channels that do show vu's (input and internal, top and
> > middle rows respectively) the yellow peak indicators appear only
> > randomly every 2-3 seconds or so, sort or popping around without any
> > clear relation to the signal peak. Something's not right here.
> >
> > /sbin/lspci:
> >
> > 02:0d.0 Multimedia audio controller: Xilinx Corporation RME Hammerfall
> > DSP (rev 0b)
> >
> > cat /proc/pci:
> >
> > Bus 2, device 13, function 0:
> > Class 0401: PCI device 10ee:3fc5 (rev 11).
> > IRQ 5.
> > Master Capable. Latency=255.
> > Non-prefetchable 32 bit memory at 0xec800000 [0xec80ffff].
> >
> > "proc/interrupts says the card is on it's own interrupt, IRQ 5.

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