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 http://www.bartart3d.be/ On Twitter <https://twitter.com/#%21/Bart_Issimo> On Identi.ca <http://identi.ca/bartart3d> On Google+ <https://plus.google.com/u/0/b/116379400376517483499/>
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