Hi guys,

I'm back to share some nice findings from last night... :)

So, I spent some time playing around with my Linux and the interface.

I've started checking and configuring my Linux system.

My CPU was already configured as performance.
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[root@thinkpad ~]# cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor

performance

----

My firewire card is not sharing IRQ
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grep firewire /proc/interrupts

19: 14 172073 0 0 IR-IO-APIC 19-fasteoi firewire_ohci

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But I did some changes in my system in order to improve the performance.
Even after the changes, jackd wasn't starting.

So I spent some time looking and playing with the interface clock.
After some time and a lot of changes I could start jackd using 48000 but I had no idea what I did to make jack work.
So I decided to reboot my system and try again to make sure that I have the steps clear.

After some time I found the steps to to make jack work:
- open ffado-dbus-server in one terminal

- open ffado-mixer in other terminal

- Now is the trick, the mixer was already showing 'Clock source: Internal' and 'Sample rate: 48000' but I've needed to re-select the Clock source to internal and also the Sample rate to 48000
- After that, I opened another terminal and started jackd: $ /usr/bin/jackd -R -dfirewire -dhw:FW2626 -r48000 -p512 -n3
- And, it works!!!!!
- I could see all inputs and outputs in qjackctl

- I've also followed the same steps but using sample rate 96000 and jack works.

OK, I didn't test any sound recording or playing as it was late ate night.

But I'll do this test today and I'll update this thread :)

Just one doubt.
Just to clarify, in the ffado-mixer, when referring to outputs and inputs is the mixer using the system point of view or the interface point of view?

I mean, the firewire input in the mixer is related to one firewire output in the computer?

For now, thank you so much for all thoughts and help here :)

---
Sergio Cioban Filho

On 29 May 2017 at 09:34, Sergio Cioban Filho <cioban@gmail.com> wrote:

Thanks for the tips guys.

I'll check this and try again today when I get home.

---
Sergio Cioban Filho

On 27 May 2017 at 22:14, Chris Caudle <chris@chriscaudle.org> wrote:
On Wed, May 24, 2017 4:32 pm, Sergio Cioban Filho wrote:
> I'm trying to get the M-Audio ProFire 2626 working with jack but I'm
> having problems with either firewire (FFADO) driver or alsa (snd-dice)
driver.

This message may indicate that the clock configuration is not set properly:
Clock Status : not locked 0x02

Make sure the device is set to use internal clock, or if you want to use
an external clock source make sure the correct clock input is chosen.
--
Chris Caudle

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