<html> <head> <meta content="text/html; charset=windows-1252" http-equiv="Content-Type"> </head> <body bgcolor="#FFFFFF" text="#000000"> When jack runs it starts a process called jackdbus. If jack fails jackdbus hangs around as a zombie that needs to be killed before jack will restart. ps -A |grep jackdbus You will get response nnnn jackdbus (where nnnn is the process number) sudo kill -9 nnnn (I didn't check the process level that jackdbus runs, but -9 kills it!) Then jack will start just fine if it is setup properly. Ted <div class="moz-cite-prefix">On 8/13/2015 8:00 AM, <a class="moz-txt-link-abbreviated" href="mailto:ubuntu-studio-users-request@lists.ubuntu.com">ubuntu-studio-users-request@lists.ubuntu.com</a> wrote: </div> <blockquote cite="mid:mailman.188.1439467222.14425.ubuntu-studio-users@lists.ubuntu.com" type="cite"> <pre wrap="">Send ubuntu-studio-users mailing list submissions to <a class="moz-txt-link-abbreviated" href="mailto:ubuntu-studio-users@lists.ubuntu.com">ubuntu-studio-users@lists.ubuntu.com</a> To subscribe or unsubscribe via the World Wide Web, visit <a class="moz-txt-link-freetext" href="https://lists.ubuntu.com/mailman/listinfo/ubuntu-studio-users">https://lists.ubuntu.com/mailman/listinfo/ubuntu-studio-users</a> or, via email, send a message with subject or body 'help' to <a class="moz-txt-link-abbreviated" href="mailto:ubuntu-studio-users-request@lists.ubuntu.com">ubuntu-studio-users-request@lists.ubuntu.com</a> You can reach the person managing the list at <a class="moz-txt-link-abbreviated" href="mailto:ubuntu-studio-users-owner@lists.ubuntu.com">ubuntu-studio-users-owner@lists.ubuntu.com</a> When replying, please edit your Subject line so it is more specific than "Re: Contents of ubuntu-studio-users digest..." Today's Topics: 1. weird behaviour firewire (bart deruyter) ---------------------------------------------------------------------- Message: 1 Date: Thu, 13 Aug 2015 09:00:19 +0200 From: bart deruyter <a class="moz-txt-link-rfc2396E" href="mailto:bart.deruyter@gmail.com"><bart.deruyter@gmail.com></a> To: Ubuntu Studio Users Help and Discussion <a class="moz-txt-link-rfc2396E" href="mailto:ubuntu-studio-users@lists.ubuntu.com"><ubuntu-studio-users@lists.ubuntu.com></a> Subject: [ubuntu-studio-users] weird behaviour firewire Message-ID: <a class="moz-txt-link-rfc2396E" href="mailto:CAJV2CrpEb9pJ1+rWiRdG_nQWssnLFM+L+qy2HFnpzXps5zrNog@mail.gmail.com"><CAJV2CrpEb9pJ1+rWiRdG_nQWssnLFM+L+qy2HFnpzXps5zrNog@mail.gmail.com></a> Content-Type: text/plain; charset="utf-8" Hi all, I'm running ubuntu 15.04 now, gnome variant, with ubuntustudio and kxstudio installed through software sources. My soundcard is an Echo Audiofire 12, connected with firewire. Since 15.04 when I start jack it works fine as long as I don't run any other application which requires sound, before starting jack. it is consistently going wrong when I for example start chrome, exit chrome and try to start jack, using claudia, or qjackctl, or commandline. the message qjackctl throws is: JackServer::Open failed with -1 When I log out of the system, then log in again (no reboot required) it works again, as long as I start jack first. Also, when I use chrome while running jack things seem to keep working, though I have ben thrown out of jack too. - I checked if I was in audio-group, which I am, otherwise it wouldn't work at all. - I turned autospawn off for pulseaudio and killed pulseaudio befor starting jack - tried out various settings in qjackctl. None seem to have helped. How can I trace the source of the problem? If it is a known issue, anyone idea's on how to fix this? grtz, Bart <a class="moz-txt-link-freetext" href="http://www.bartart3d.be/">http://www.bartart3d.be/</a> On Twitter <a class="moz-txt-link-rfc2396E" href="https://twitter.com/#%21/Bart_Issimo"><https://twitter.com/#%21/Bart_Issimo></a> On Identi.ca <a class="moz-txt-link-rfc2396E" href="http://identi.ca/bartart3d"><http://identi.ca/bartart3d></a> On Google+ <a class="moz-txt-link-rfc2396E" href="https://plus.google.com/u/0/b/116379400376517483499/"><https://plus.google.com/u/0/b/116379400376517483499/></a> -------------- next part -------------- An HTML attachment was scrubbed... URL: <a class="moz-txt-link-rfc2396E" href="https://lists.ubuntu.com/archives/ubuntu-studio-users/attachments/20150813/47bb38bb/attachment-0001.html"><https://lists.ubuntu.com/archives/ubuntu-studio-users/attachments/20150813/47bb38bb/attachment-0001.html></a> ------------------------------ </pre> </blockquote> </body> </html>