Re: [FFADO-user] [I'm a user and need support] Presonus FP10, UbuntuStudio, and error messages

[Pieter P. <pi...@jo...>]

Kray Van Kirk wrote:
> Hi Pieter~
> 
> Thanks so much for the speedy reply!
> 
> I'm not running a RT kernel yet, because I didn't think the RT version 
> of 2.6.27 was available yet. Due to hardware constraints, I can't use a 
> previous version of the kernel.
I don't mean a RT kernel (although that would be good too). But is jack 
running with realtime scheduling (the -R flag on the command line or the 
'Realtime' checkbox in qjackctl settings)?
> 
> Periods Buffer = 4
3 should work too
> Frames sampling rate = 44100
> Frames per period = 64
this is too low, especially on a non-rt kernel. What if you increase this?


> XRUN detection regex: xrun of at least 0-9 +/- msec
> Driver: freebob
> Interface: hw:0
> Latency: 5.8 msec
> 
> I have all the Sound System preferences set to use ALSA. I've 
> experimented with re-setting the default motherboard sound card to 
> function again in the BIOS, but that hasn't changed anything either.

What 1394 controller do you have?

Pieter

> 
> Thanks so much!
> 
> Kray
>  
> 
>     -----Original Message-----
>     *From:* Pieter Palmers [mailto:pi...@jo...]
>     *Sent:* Sunday, December 21, 2008 03:32 AM
>     *To:* kv...@kr...
>     *Cc:* ffa...@li...
>     *Subject:* Re: [FFADO-user] [I'm a user and need support] Presonus
>     FP10, UbuntuStudio, and error messages
> 
>     kv...@kr... wrote: > Kray Van Kirk sent a message using the
>     contact form at > http://www.ffado.org/?q=contact. > > Hi~ > > I'm
>     running UbuntuStudio on 8.10, on a Penryn motherboard dual core I >
>     bought from ADK Pro Audio, with freebob 1.011. It's running into a
>     Presonus > FP10. The folks at ADK knew I was going to be running
>     Linux, and did not > install an OS when I bought it, but they did
>     disable onboard sound, IR, and > serial ports in preparation for
>     interfacing with the FP10. I think, from > their email, that they
>     also set memory timings, but I don't know what that > means. The
>     idea was that I would use the FP10 as the system's sound card > for
>     all audio playback, even if it was not connected with recording. > >
>     However, when JACK is started, I get the following output in the
>     message > window: > > 14:33:41.724 Server configuration saved to
>     "/home/arctos/.jackdrc". > 14:33:41.724 Statistics reset. >
>     14:33:41.724 Client activated. > 14:33:41.726 ALSA connection
>     change. > 14:33:41.727 JACK connection graph change. > 14:33:43.114
>     ALSA connection graph change. > 14:33:43.115 JACK connection graph
>     change. > libiec61883 warning: Established connection on channel 0.
>      > You may need to manually set the channel on the receiving node. >
>     libiec61883 warning: Established connection on channel 1. > You may
>     need to manually set the channel on the transmitting node. >
>     14:33:43.149 JACK connection change. > 14:33:43.150 ALSA connection
>     change. > LibFreeBoB ERR: Dropped packets on connection 1 >
>     14:34:31.466 XRUN callback (1). > LibFreeBoB ERR: Dropped packets on
>     connection 1 > 14:34:33.383 XRUN callback (2). > LibFreeBoB ERR:
>     Dropped packets on connection 1 > 14:34:42.671 XRUN callback (3). >
>      > ad infititum... > > This is all new to me, and I wasn't able to
>     ferret out any answers on the > Ubuntu forums. There's no sound at
>     all, either from the input mics or CD > output. Howwould you folks
>     recommend I approach solving this? What settings do you use to run
>     jack? Is it running with realtime scheduling? What buffer settings?
>     Greets, Pieter > > Thanks so much!! > > Kray Van Kirk > >
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