Bug#969331: rviz: [rospack] Error: no such package media_export

[Johannes Schauer]

Quoting Jochen Sprickerhof (2020-08-31 18:31:58)
> * Johannes 'josch' Schauer <josch at debian.org> [2020-08-31 16:54]:
> >starting rviz on Debian unstable currently yields the following output:
> >
> >[ INFO] [1598885512.042478573]: rviz version 1.14.1
> >[ INFO] [1598885512.042531596]: compiled against Qt version 5.14.2
> >[ INFO] [1598885512.042547093]: compiled against OGRE version 1.9.0 (Ghadamon)
> >[ INFO] [1598885512.052974842]: Forcing OpenGl version 0.
> >[ INFO] [1598885512.592152405]: Stereo is NOT SUPPORTED
> >[ INFO] [1598885512.592246596]: OpenGl version: 4.6 (GLSL 4.6).
> >[rospack] Error: no such package media_export
> >[librospack]: error while executing command
> 
> I get those as well.
> 
> >zsh: segmentation fault  rviz
> 
> But I don't get this, but rviz starts normally for me. Can you attach gdb and
> get a backtrace?

aha, so that was a red herring! I thought the segfault was due to the
media_export error message.

To get a better backtrace, I installed the dbgsym packages for rviz, librviz5d
and libogre-1.9.0v5. In the process, the package libogre-1.9.0v5 with version
1.9.0+dfsg1-12+b1 got replaced by version 1.9.0+dfsg1-12+b2.

Now it works.

The only difference between before and after are the additional dbgsym packages
as well as the upgrade of libogre-1.9.0v5 to the newer binNMU version.

Thus, I guess a version constraint is not tight enough somewhere?

Thanks!

cheers, josch
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