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Hello,

I built vlmc and medialibrary on a debian stretch 64bit using lvm with lucks. On launch, vlmc fails with the following error:

$ vlmc 
No LADSPA plugins were found!

Check your LADSPA_PATH environment variable.
Gtk-Message: GtkDialog mapped without a transient parent. This is discouraged.
Error: src/filesystem/unix/DeviceLister.cpp:244 devices Failed to resolve mountpoint /var/lib/libvirt to any known device
Error: src/filesystem/unix/DeviceLister.cpp:244 devices Failed to resolve mountpoint /var to any known device
Error: src/filesystem/unix/DeviceLister.cpp:244 devices Failed to resolve mountpoint /usr to any known device
Error: src/filesystem/unix/DeviceLister.cpp:244 devices Failed to resolve mountpoint /home to any known device
Error: src/filesystem/unix/DeviceLister.cpp:244 devices Failed to resolve mountpoint / to any known device
Error: src/filesystem/unix/DeviceLister.cpp:244 devices Failed to resolve mountpoint /tmp to any known device
Error: src/filesystem/unix/DeviceLister.cpp:244 devices Failed to resolve mountpoint /var/lib/libvirt to any known device
Error: src/filesystem/unix/DeviceLister.cpp:244 devices Failed to resolve mountpoint /var to any known device
Error: src/filesystem/unix/DeviceLister.cpp:244 devices Failed to resolve mountpoint /usr to any known device
Error: src/filesystem/unix/DeviceLister.cpp:244 devices Failed to resolve mountpoint /home to any known device
Error: src/filesystem/unix/DeviceLister.cpp:244 devices Failed to resolve mountpoint / to any known device
Error: src/filesystem/unix/DeviceLister.cpp:244 devices Failed to resolve mountpoint /tmp to any known device
[0000556ef77a7cc8] core libvlc debug: VLC media player - 3.0.0-git Vetinari
[0000556ef77a7cc8] core libvlc debug: Copyright © 1996-2017 the VideoLAN team
[0000556ef77a7cc8] core libvlc debug: revision 2.2.0-git-12069-gb5d1fb7c49
[0000556ef77a7cc8] core libvlc debug: configured with ../configure  '--disable-xcb' '--disable-nls' '--disable-mozilla' '--disable-live555'
[0000556ef77a7cc8] core libvlc debug: searching plug-in modules
[0000556ef77a7cc8] core libvlc debug: loading plugins cache file /usr/local/lib/vlc/plugins/plugins.dat
[0000556ef77a7cc8] core libvlc debug: recursively browsing `/usr/local/lib/vlc/plugins'
[0000556ef77a7cc8] core libvlc debug: plug-ins loaded: 347 modules
[0000556ef77a7f78] core logger debug: looking for logger module matching "any": 3 candidates
[0000556ef77a7f78] core logger debug: using logger module "console"
[0000556ef77a7cc8] core libvlc debug: translation test: code is "C"
[0000556ef921b7c8] core keystore debug: looking for keystore module matching "memory": 2 candidates
[0000556ef921b7c8] core keystore debug: using keystore module "memory"
[0000556ef77a7cc8] core libvlc debug: CPU has capabilities MMX MMXEXT SSE SSE2 SSE3 SSSE3 SSE4.1 SSE4.2 AVX AVX2 FPU 
Error: src/Folder.cpp:177 fromMrl Failed to get device containing an existing folder: file:///home/rbuisson/
vlmc: src/discoverer/FsDiscoverer.cpp:308: bool medialibrary::FsDiscoverer::addFolder(medialibrary::fs::IDirectory&, medialibrary::Folder*) const: Assertion `deviceFs != nullptr' failed.
Aborted
̀

I suspect that is failing because I'm using LVM. Here is the topology of my disk:

sda                        8:0    0 238.5G  0 disk  
├─sda1                     8:1    0   190M  0 part  /boot/efi
└─sda2                     8:2    0 238.3G  0 part  
  └─sda2_crypt           254:0    0 238.3G  0 crypt 
    ├─vg-lv_root         254:1    0   952M  0 lvm   /
    ├─vg-lv_swap         254:2    0   488M  0 lvm   [SWAP]
    ├─vg-lv_home         254:3    0   160G  0 lvm   /home
    ├─vg-lv_tmp          254:4    0   952M  0 lvm   /tmp
    ├─vg-lv_var          254:5    0     8G  0 lvm   /var
    ├─vg-lv_usr          254:6    0   9.8G  0 lvm   /usr
    ├─vg-lv_boot         254:7    0   244M  0 lvm   /boot
    └─vg-lv_libvirt      254:8    0    30G  0 lvm   /var/lib/libvirt

̀ I'm not a c++ expert. Could someone help me ?

Thanks.

Rémi