[PlanetCCRMA] f10/2.6.26-rt not working/ffado use

[Fernando Lopez-Lezcano]

On Mon, 2009-03-02 at 15:09 +0100, Raphael Raccuia wrote:
> Well, I tried 2.6.29-rt kernel from testing repos... It seems to work
> fine...
> I noticed that raw1394 isn't loaded automatically. I modprobed it, and
> it seems to work. Then I had to desactivate SELinux. I haven't my fw
> device here (Edirol FA-101), but it seems to load FFADO now.
> So how can I get raw1394 automatically loaded?
> And how can I change permission for jackd to access ffado? In debian, it
> was "addgroup [USER] disk" and "addgroup [USER] audio"... Here addgroup
> doesn't work...

If you have the CCRMA jack package all users are allowed to access the
audio devices and have realtime scheduling. I have to see how to
autoload raw1394...

-- Fernando


> Le jeudi 26 février 2009 à 18:23 +0100, Raphael Raccuia a écrit :
> > 
> > 
> > Fernando Lopez-Lezcano a écrit : 
> > > On Thu, 2009-02-26 at 14:53 +0100, Raphael Raccuia wrote:
> > >   
> > > > thank's:
> > > > 
> > > > Fernando Lopez-Lezcano a écrit : 
> > > >     
> > > > > On Wed, 2009-02-25 at 17:44 +0100, Raphael Raccuia wrote:
> > > > >   
> > > > >       
> > > > > > Hi list...
> > > > > > I'm very new fedora/ccrma user. I use Ubuntu and some debian fork music 
> > > > > > oriented since 3 years, and I wanted to change, just to know other 
> > > > > > distributions... I choosed CCRMA for its kernel-rt, rtirq script and 
> > > > > > other configurations well integrated, and for its ffado/jackd last 
> > > > > > versions in repositories... I also like its sound development 
> > > > > > orientation (pd super collider etc...)
> > > > > > 
> > > > > > But the rt-kernel refuse to work: boot starts normally, then stop and 
> > > > > > verboses some informations I can't find in log files... He tells about 
> > > > > > udev fail on last line...
> > > > > >     
> > > > > >         
> > > > > Sorry you are getting into problems so early :-(
> > > > >   
> > > > >       
> > > > In the same time, on normal kernel, everything seems to work very
> > > > good...
> > > >     
> > > > > Do you remember the exact error message it prints?
> > > > >   
> > > > >       
> > > > Yes, now I copied. It boots normally, I can see progression line, but
> > > > then a verbose appears (I can't identify a real error message),
> > > > progression line continue slowly to end, and nothing happens... If I
> > > > press 'esc' or a F-key, this message appears:
> > > > udevd-event[717]: run_program: '/sbin/modprobe' abnormal exit (after a
> > > > fedora boot start message in french)
> > > >     
> > > > > If the rt kernel can't boot on your hardware then the rest of the
> > > > > firewire stuff will not work I'm afraid to say. Sigh. I take it you are
> > > > > able to boot normally into the Fedora kernels right?
> > > > >   
> > > > >       
> > > > yes
> > > >     
> > > > > Which version of Fedora did you install? Fedora 10?
> > > > >   
> > > > >       
> > > > 10
> > > >     
> > > > > > And a FFADO question: do I have to install raw1394 to use my fw device, 
> > > > > > or it is supposed to work with ohci_core/ohci_...???
> > > > > >     
> > > > > >         
> > > > > You would not need to install anything special...
> > > > >   
> > > > >       
> > > > ok...
> > > > I tried to run jack on normal kernel, but I get something like "access
> > > > to firewire.so (or similar): permission denied"... I thought
> > > > libraw1394 and ieee??? was necessary to run ffado...
> > > >     
> > > 
> > > There are _two_ sets of kernel modules that implement firewire. Fedora
> > > includes in their kernels the new firewire "stack" of modules and
> > > regretfully FFADO is not working yet with those. 
> > Yes, FFADO  2.1 should work with new fw stack
> > > So no amount of
> > > tinkering will make FFADO work with the Fedora kernels. 
> > >   
> > Well, so I really need to get this kernel working... What about try
> > the 'very experimental' 2.6.29? and 28-rt doesn't exist?
> > > I'll try to think of something later (busy morning). 
> > >   
> > no problem, thank you for your help...
> > raf
> > 
> > > -- Fernando
> > > 
> > > 
> > >   
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