[ubuntu-studio-users] Firewire interface

Sun Apr 13 02:48:42 UTC 2014

On Sat, Apr 12, 2014 at 8:29 PM, Israel <israel at torios.org> wrote:

>  Well, I am now dual booting [well... triple booting as I need MacOSX for
> my wife's phone :(   ]
> I use Ubuntu 14.04 and Ubuntu Studio 12.04.  It works out of the box in
> Studio 12.04
>

ubuntustudio *is* ubuntu

> I didn't have to try anything fancy.
> I am using a Presonus Firebox.
>

i use a presonus firepod

> I prefer to use only FLOSS and only want to install it rather than use a
> liveCD/USB/DVD (unless it is puppy),
>

the live CD's i suggest *are* FLOSS, and the one you used to install
ubuntustudio will do fine. its so you can tweak and try configurations and
easily get back to a default state without breaking your current
installation

> but thanks for your info.
> I am in 12.04 right now, but if you need me to run some commands and post
> the output I would be glad to.  Presonus Firebox is already on FFADO (which
> is why I got it).
>

the presonus firepod works "out of the box" for me in ubuntustudio 12.04
through 14.04

> I got the interface specifically to use in Ubuntu... but 14.04 is having
> issues with it.
>

presonus doenst officially support linux.. RME does AFAIK

> To enable it in Studio 12.04
>

there is no "enable" process for the firepod i have from presonus. it
literally just runs when i have proper supported firewire chipsets

> Open the FFADO mixer, wait until it loads the device.
> Open QJackctl and change it to firewire
> Open Audacity (I haven't tried it in Ardour yet... I wanted to just see if
> it works) change it to Jack
> Voila!  Working as expected.
>
> So why doesn't it work in plain Ubuntu 14.04?  I tried MANY things, and
> all of them were useless.  Jack works fine with Alsa but not firewire.
> If you like I can later post the output of the errors.
>
>
> On 04/12/2014 11:16 AM, Mike Holstein wrote:
>
>
>
>
> On Sat, Apr 12, 2014 at 8:14 AM, Israel <israel at torios.org> wrote:
>
>> Hi,
>> I am having a few issues. I am using Ubuntu 14.04 (not studio) and I am
>> trying to set up a firewire interface, and I am having some serious issues
>> getting Jack to recognize it.
>> Can anyone point me in the direction of a good tutorial for how to
>> configure qjackctl so use my device.  FFADO Mixer loads the interface just
>> fine, but I cannot seem to figure out how to configure everything to use it
>> :)
>>
>> The other issue is Ubuntu Studio 14.04
>> I downloaded the 32bit live (DVD) from current yesterday, and Ubiquity
>> goes fine until the place where I can choose the packages to install.  Then
>> a dialog pops up with a bunch of ???????? and then the installer hangs up
>> until I use a TTY to sudo reboot.
>> I have also tried booting the 64bit beta2 on a Macboot, and cannot seem
>> to boot into anything useful.  I am only allowed to choose between the EFI
>> boots on the USB, and none of those work.
>>
>> Thanks for your help!
>>
>>
>  when i migrated my production rig to linux, using a firewire interface
> (as well as testing with may other internal and USB interfaces) these are
> some helpful tips that i found made the transition possible.
>
>  1. work from a live CD. there are several nice live CD's these days,
> such as our ubuntustudio live CD. when i say "live CD", i just refer to the
> iso image, downloaded and running from whatever you need.. DVD, USB,
> whatever.. while testing with the live CD's, you can easily tweak *any* and
> *all* configurations, without the fear of breakage. this is also an easy
> way to test different kernel versions and JACK versions with your hardware.
> i like to use an ubuntu 12.04, and now, the upcoming 14.04, as well as
> AVlinux's live iso
> 2. what is the issue? is it the firewire? or JACK? or permissions? or what?
> test things as independently as possible. dont land in a new os, fire up
> jack, with a piece of firewire hardware you dont know is supported in
> linux. start with the internal audio device, and learn to configure and run
> JACK using it. then, you can move forward knowing your JACK configuration
> is working or not.
> 3. the firewire chipset *can* make or break linux support. you can run
> "lspci" in a terminal and see what chipset you have for firewire.. ideally,
> you have texas instruments.. if not, i have a few others that work well,
> and also, a few that will never work in linux.
> 4. i have had laptops with IRQ issues relating to sharing IRQ for firewire
> with USB ports i was using. you can check this in the terminal with "cat
> /proc/interrupts"
> 5. keep in mind, none of the vendors of any of the hardware you have have
> promised you linux support. a team of experts from many different companies
> have come together for years and years to work with each other and make
> sure that your hardware works in a different operating system. you are
> basically deciding to take that responsibility on for yourself.
> 6. temporarily running jack as root (which is not something i would want
> to do all the time, continuously) can help troubleshoot permissions.
> running "gksudo qjackctl" allows one to start jack as root.. if jack has
> been failing, but runs as root, then, you know that the hardware
> configuration in jack works, and that the issue is more likely to do with
> permissions.
> 7. in qjackctl, there is a "messages" button that can have lots of helpful
> information..
>
>  feel free and share any terminal output here for any of the commands, or
> the jack GUI error messages.. i suggest joining the IRC for realtime help.
>
>
>
>
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>
>
>
>  --
> MH
>
> likethecow.com
>
>
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-- 
MH

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