Bug#878000: ardour5 does not start on debian/testing it spins trying to load GTK2 breeze theme

[Jonas Smedegaard]

Quoting wzabolot at elektron.elka.pw.edu.pl (2017-10-08 14:38:01)
> W dniu 08.10.2017 o 14:13, Jonas Smedegaard pisze:
> > Quoting Wojciech Zabołotny (2017-10-08 13:34:16)
> >> When I start the jack server, and then ardour5, it does not start.
> >> The "top" shows that ardour5 uses one CPU core in 100%.
> >> When I start it via "strace", I get the following messages displayed
> >> repeatedly:
> > [...]
> >> It looks, that ardour tries to load the Breeze gtk theme, and when it fails,
> >> it repeats that forever.
> >> I can see two problems there:
> >> 1. ardour should depend on the appropriate package providing the required
> >>    GUI theme
> >> 2. ardour should fail, displaying the reasonable error message without
> >>    looping forever.
> > Ardour does _not_ depend on a specific GTK+ widget theme.
> >
> > Perhaps a bug elsewhere - e.g. in GTK+ or that particular theme - is 
> > triggered?
> >
> > Did you configure your environment to use Breeze?  Could you please try 
> > switch to a different GTK+ theme instead?
> >
> > Perhaps create a temporary new user on your system and start Ardour from 
> > there - to help avoid cruft in your own $HOME environment interfering.
> >
> Dear Jonas,
> 
> Thanks a lot for your suggestions.
> 
> That's interesting. Of course, I have cleaned up the ~/.config/ardour4
> and ~/.config/ardour5 directories before submitting the first report,
> and it didn't help.

So you tried cleanup, but only the (too narrow) part you suspected to 
cause the error.


> However indeed, when I logged in as another user, ardour started 
> correctly.

Good to hear!




> So the problem probably indeed is not ardour related (however I don't 
> know why only ardour suffers from that).

It might very well be that Ardour is particularly vulnerable to being 
fed a broken GTK+ theme.  Which seems to be the case here.


> PS. Is it possible that 
> https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=874598 is caused by 
> the same problem?

Possibly, yes.  But instead of (again) too narrowly draw conclusion best 
to find something that works (e.g. a fresh account) and triangulate from 
there, as you did here.


 - Jonas

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 * Jonas Smedegaard - idealist & Internet-arkitekt
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