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Qtractor freezes opening file dialog

I have installed Qtractor 0.8.0 from the Ubuntu repositories on Xubuntu 17.04 using kernel 4.10.0-24-lowlatency.

Every time I try to open a file dialog in Qtractor, for example to configure plugin paths, the application locks up and has to be killed. This still leaves a zombie process running that I can't get rid of until I reboot the computer.

My first guess is that this is a QT-related issue, but I also have Qsynth and several other QT applications installed, and none of them have this problem.

I've tried running Qtractor from a terminal, but there is no output after it locks up.

I haven't found any reference to anyone else having this issue, so maybe it's a configuration issue on my system. Any ideas about how to diagnose what the problem is?

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rncbc's picture

you may try all of the following:

  • turn View > Options... > Display > Use desktop environment native dialogs OFF!
  • upgrade to the latest v0.8.2 or later (eg. from kxstudio repositories).

hth.
cheers

Thanks. Your first suggestion of changing the display settings worked. Wonderful.

(I looked for another repository to get a later version of Qtractor from, but without success. When I installed the kxstudio .debs a few days ago, a strange situation occurred where some systemd services failed to run for no apparent reason - no error messages, just not running. When I uninstalled the ksstudio repositories, the systemd services worked again. Just to make sure, I reinstalled kxstudio repos, and the systemd services failed again. Uninstalled kxstudio again, and the systemd services worked again. So I'm not willing to go near kxstudio until I work out what was happening.)

rncbc's picture

kxstudio was just a suggestion--i'm not affiliated to it--but i'm sure you'll get some help on that if you raise an issue on https://github.com/KXStudio/Repository/issues .
otherwise, you can also do the upgrade by building and installing from source, can't you?
cheers

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