jack2 v1.9.17 not running on Windows10

[Paul Kang]

Hi fellow jacktrippers, happy to have stumbled upon this group.

I updated my Jack2 to the newest version (v1.9.17) and it doesn't start at all, anybody else got errors with the new version of Jack? I saw that this is a known issue in the Github forum.

I reinstalled Jack v1.9.11 and it seems like it's the only stable build for now.

Jacktrip 1.3.0 runs fine on v1.9.11

cheers from korea!

[BG Lyon]

Thanks for this update - we have not gotten 
Jacktrip 1.3.0 to run on v1.9.11 lately - so we will maybe uninstall everything and reinstall.

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[Bonnie Kwong]

The newest Windows 1.3.0 executable on the CCRMA site should work with both JACK 1.9.11 and 1.9.17.  Marcin Pączkowski and I have tested it, but let us know if your environments differ from ours and you're getting different results.

Bonnie

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[BG Lyon]

Still not working.... we are trying to figure out why not.  

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[Synthia Cynthia Payne]

I've got it. Will take some doing.
synth

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[Synthia Cynthia Payne]

Below are the steps that allowed successful operation on Windows10 of:
JACK2 1.9.17 -> Jacktrip 1.3 -> Reaper (via JackRouter)

NOTICE: This was an experiment that just happened to work for me. I
don't know if it will work for you but it's worth a try!

Issue:
JACK2 suddenly began opening blank white windows and then hang

Workarounds:
1a) Cleared out all previous Jack including registry items
1b) Combined the 32-bit and 64-bit versions of JACK2 (my computer is 64)
1c) Moved the latest version of Jacktrip 1.3 into the JACK2 folder

Aaaaand we're off!

synth

"Go at it boldly, and you'll find unexpected forces closing round you
and coming to your aid." -Basil King

[Synthia Cynthia Payne]

Be sure to grab the newest Jacktrip 1.3 for Windows 10 executable that
Bonnie and Marcin just built and posted on the CCRMA site. Below is a
direct download link for your convenience, or just go to the following
page: https://ccrma.stanford.edu/software/jacktrip/windows/index.html

direct download:
https://ccrma.stanford.edu/software/jacktrip/windows/jacktrip.exe

synth

[Paul Kang]

I tried again with 1.9.17 and still get this error.

Reinstalled 1.9.11 and now it doesn't work, it still comes up with this error

my friend who's also using macOS Catlina 10.15 seems to get the same error

any help would be great, this is really frustrating

[BG Lyon]

I don't think this would be the reason for your error message.... but... I was getting this for a while too - and then realized that I had not double checked the Midi settings - JACK was looking for my USB mic for input/output and I had not inserted the USB plug yet.... so I couldn't connect to JACK server as client.  That might not be what's going on for you - also I have not downloaded the new version of the JACK server yet b/c so many folks are having problems... I am using Big Sur 11.2.1

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[Marcin Pączkowski]

Hello,

That seems like Jack was unable to find/open your audio interface.

What are your settings ("Setup..." in QJackCtl)?

Is your interface connected? Is the samplerate setting correct (i.e.there might be something else open forcing the interface to run at a different rate)?

Sometimes this error also comes up if Jack is set to use the "default" number of channels, but instead one needs to specify a number (not larger than the number of available ins/outs).

Marcin

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[Bonnie Kwong]

The uninstallation process for JACK hasn't been working for some people.  Another possible problem is the server prefix or server path.  

On Mac OS, the server prefix or server path in the advanced tab of QJackCtl should be: /usr/local/bin/jackd

Restart your machine (may not be necessary, but just in case).

If QJackCtl still can't find JACK, use this uninstaller:

https://app.box.com/s/2rd6mmrp4gz39sl7u2xr8xztsix3a6w4

Once you've uninstalled JACK, re-install your preferred version of JACK, check the server prefix or server path in QJackCtl and try again.

I don't have my Windows machine with me, but if you know how to find the JACK executable (e.g. in Program Files), locate it and make sure its location matches the server prefix or server path in QJackCtl.  I currently don't know of a working uninstaller for JACK on Windows.  It's something a volunteer may take on.

Bonnie

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[Marcin Pączkowski]

I don't have my Windows machine with me, but if you know how to find the JACK executable (e.g. in Program Files), locate it and make sure its location matches the server prefix or server path in QJackCtl. 

Looking at Paul Kang's QJackCtl messages the Jack executable was found, so that's not the issue. It looks like the problem is with the backend configuration (sample rate, number of channels, device not available etc)

Marcin 

[Bonnie Kwong]

This is a telling error message:

Client name =  "QJackCtl conflicts with another running client."

There may be a number of reasons for this message.  There's a report on this forum of a conflict between pulseaudio and JACK:

https://bbs.archlinux.org/viewtopic.php?id=147527

The solution that worked for one user who encountered this message (which may or may not be the solution here), was this command:

killall pulseaudio

If there's a problem executing this command, try:

sudo killall pulseaudio

Bonnie

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[Marcin Pączkowski]

IIUC correctly, the original problem is on Windows, and on macOS (not sure which one we're trying to solve anymore...). 

 

The solution that worked for one user who encountered this message (which may or may not be the solution here), was this command:

killall pulseaudio

This applies to Linux only, so I don't think it is relevant to the problem posted. 

Marcin

[Paul Kang]

Hi all, thanks for the reply, sorry for the delay in responding (i'm in korea)

I'm reverting back to 1.9.11 and still getting issues

@Marcin my audio interface is connected when i run qjackctl, this is how i got it set up. as far as i know, this setup used to work...and I'm not running any other audio program.

@Bonnie I've uninstalled all instances of Jack2 through the control panel and manually delete anything in Program Files and Program Files (x86), still getting errors

i've been digging around the github threads to troubleshoot and found to run this command "jackd -v -d portaudio -l", this is the output

C:\Program Files (x86)\Jack>jackd -v -d portaudio -l
jackdmp 1.9.11
Copyright 2001-2005 Paul Davis and others.
Copyright 2004-2016 Grame.
jackdmp comes with ABSOLUTELY NO WARRANTY
This is free software, and you are welcome to redistribute it
under certain conditions; see the file COPYING for details
Drivers/internals found in : C:\WINDOWS
Drivers/internals found in : C:\WINDOWS
JACK server starting in realtime mode with priority 10
self-connect-mode is "Don't restrict self connect requests"
Jack: JackWinThread::StartImp : create non RT thread
Jack: JackWinThread::ThreadHandler : start
Jack: Initializing PortAudio...
********************** Devices list, 23 detected **********************
(bunch of my MME, DirectSound, ASIO devices)
**************************** End of list ****************************
Cannot initialize driver
Jack: no message buffer overruns
Jack: JackWinThread::Stop
Jack: JackWinThread::ThreadHandler : exit
JackServer::Open failed with -1
Jack: Succeeded in unlocking 82280346 byte memory area
Jack: JackShmMem::delete size = 0 index = 0
Jack: ~JackDriver
Jack: Succeeded in unlocking 1187 byte memory area
Jack: JackShmMem::delete size = 0 index = 1
Jack: Cleaning up shared memory
Jack: Cleaning up files
Jack: Unregistering server `default'
Failed to open server

if i run  "-d portaudio" without the "-l" command at the end, QJackCtl seems to be able to start but with the wrong device and sample rate

if i run "- ddummy" command QJackCtl also seems to be able to start

with the above two instances, Jacktrip seems to run fine, so the problem still lies with Jack2

[Paul Kang]

Hi everyone, so I found a workaround to get my JACK server to run (v1.9.17)

so trying to start from qjackctl, i still get the same error and Jack will NOT start

however if i run the same command that qjackctl runs at start (which you can see in the message window) from the command prompt manually (jackd.exe -S -dportaudio -d"ASIO::Focusrite USB ASIO" -r48000 -p512)

then JACK seems to work and qjackctl can also be started afterwards, jacktrip seems to work fine

so dunno where the bug comes from, i suppose it's in qjackctl

perhaps this will work for folks with Mac that have the same problem

saludos