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IDProjectCategoryView StatusDate SubmittedLast Update
0007320ardourbugspublic2017-04-14 11:052017-05-03 05:08
Assigned To 
PlatformLinuxOSUbuntuOS Version17.04
Product Version5.8 
Target VersionFixed in Version 
Summary0007320: Can't create projects when using JACK. Only with ALSA.
DescriptionI get a message saying that the project can't be saved or created.
Steps To ReproduceCreate a project using JACK in an folder.
TagsNo tags attached.
Attached Files

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-  Notes
x42 (administrator)
2017-04-16 08:53

Cannot reproduce (here with jack2 -- 1.9.11 from debian/stretch, jackdbus).

Can you start Ardour from the commandline: Is there any relevant output?

Is this an Ardour binary from (weak-linked libjack) or Ubuntu's version?

Possibly another recurring Ubuntu bug: Does temporary `jackd -T terminate?
cjdevlin (reporter)
2017-04-21 05:45

I recently came across this issue in ubuntu. Can you verify your user is in the audio group?

Relevant ubuntu documentation: [^]
x42 (administrator)
2017-04-21 06:10

That rings a bell.. Ardour + JACK require realtime permissions (and jackd needs to run with rt-priority > 5). Ardour/ALSA will only print a warning but not hard fail if rt is not available.

The generic way is to set this up is [^]
on debian based distros you can
  `sudo dpkg-reconfigure jackd2`
allow realtime and re-login.
cjdevlin (reporter)
2017-04-21 06:15

sudo adduser <user> audio
then logout/in is what worked for me.
ardour38 (reporter)
2017-05-03 05:08

Hi guys! The notifications from the tracker landed in my SPAM-box and therefore I apologise that it has taken some time for me to get back to this thread. I am not at my Ubuntu computer right now but I will try out checking if I am in the audio group asap.

- Issue History
Date Modified Username Field Change
2017-04-14 11:05 ardour38 New Issue
2017-04-16 08:53 x42 Note Added: 0019607
2017-04-21 05:45 cjdevlin Note Added: 0019616
2017-04-21 06:10 x42 Note Added: 0019617
2017-04-21 06:15 cjdevlin Note Added: 0019618
2017-05-03 05:08 ardour38 Note Added: 0019651

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