I downloaded the latest version for Linux 64 bit, and when the executive was opened and the lines of the song editor were black, several things more like black, as if they had no texture, I was executing it by terminal and this was the output:
emix@emix-Lenovo-V110-14IAP:~$ ls
Descargas Escritorio lmms Plantillas
Documentos Imágenes lmms-1.2.0-rc5-linux-x86_64.AppImage Público
emi kdenlive Música Vídeos
emix@emix-Lenovo-V110-14IAP:~$ sudo chmod a+x lmms-1.2.0-rc5-linux-x86_64.AppImage
[sudo] password for emix:
emix@emix-Lenovo-V110-14IAP:~$ ./lmms-1.2.0-rc5-linux-x86_64.AppImage
Carla does not appear to be installed. That's OK, please ignore any related library errors.
Jack appears to be installed on this system, so we'll use it.
QApplication: invalid style override passed, ignoring it.
VST sync support disabled in your configuration
Cannot load library /tmp/.mount_lmms-1QtvZGz/usr/lib/lmms/libcarlapatchbay.so: (libcarla_standalone2.so: cannot open shared object file: No such file or directory)
Cannot load library /tmp/.mount_lmms-1QtvZGz/usr/lib/lmms/libcarlarack.so: (libcarla_standalone2.so: cannot open shared object file: No such file or directory)
Cannot load library /tmp/.mount_lmms-1QtvZGz/usr/lib/lmms/libcarlabase.so: (libcarla_standalone2.so: cannot open shared object file: No such file or directory)
no more csLADSPA plugins
PianoRoll(0x1ae75b0) does not have a property named "gridColor"
AutomationEditor(0x1b4c2c0) does not have a property named "gridColor"
AutomationEditor(0x1b4c2c0) does not have a property named "gridColor"
AutomationEditor(0x1b4c2c0) does not have a property named "gridColor"
PianoRoll(0x1ae75b0) does not have a property named "gridColor"
PianoRoll(0x1ae75b0) does not have a property named "gridColor"
PatternView(0x2185c00) does not have a property named "fgColor"
PatternView(0x2185c00) does not have a property named "fgColor"
PatternView(0x2185c00) does not have a property named "fgColor"
AutomationPatternView(0x1e1e770) does not have a property named "fgColor"
AutomationPatternView(0x1e1e770) does not have a property named "fgColor"
AutomationPatternView(0x1ef6e60) does not have a property named "fgColor"
AutomationPatternView(0x1ef6e60) does not have a property named "fgColor"
AutomationPatternView(0x21aa640) does not have a property named "fgColor"
AutomationPatternView(0x21aa640) does not have a property named "fgColor"
AutomationPatternView(0x21bc280) does not have a property named "fgColor"
AutomationPatternView(0x21bc280) does not have a property named "fgColor"
AutomationPatternView(0x21b4fb0) does not have a property named "fgColor"
AutomationPatternView(0x21b4fb0) does not have a property named "fgColor"
emix@emix-Lenovo-V110-14IAP:~$
After that I closed it and reopened it and everything was working correctly, although it is still strange and I do not know why it could have happened.
pd: gracias google translate
emix@emix-Lenovo-V110-14IAP:~$ ls
Descargas Escritorio lmms Plantillas
Documentos Imágenes lmms-1.2.0-rc5-linux-x86_64.AppImage Público
emi kdenlive Música Vídeos
emix@emix-Lenovo-V110-14IAP:~$ sudo chmod a+x lmms-1.2.0-rc5-linux-x86_64.AppImage
[sudo] password for emix:
emix@emix-Lenovo-V110-14IAP:~$ ./lmms-1.2.0-rc5-linux-x86_64.AppImage
Carla does not appear to be installed. That's OK, please ignore any related library errors.
Jack appears to be installed on this system, so we'll use it.
QApplication: invalid style override passed, ignoring it.
VST sync support disabled in your configuration
Cannot load library /tmp/.mount_lmms-1QtvZGz/usr/lib/lmms/libcarlapatchbay.so: (libcarla_standalone2.so: cannot open shared object file: No such file or directory)
Cannot load library /tmp/.mount_lmms-1QtvZGz/usr/lib/lmms/libcarlarack.so: (libcarla_standalone2.so: cannot open shared object file: No such file or directory)
Cannot load library /tmp/.mount_lmms-1QtvZGz/usr/lib/lmms/libcarlabase.so: (libcarla_standalone2.so: cannot open shared object file: No such file or directory)
no more csLADSPA plugins
PianoRoll(0x1ae75b0) does not have a property named "gridColor"
AutomationEditor(0x1b4c2c0) does not have a property named "gridColor"
AutomationEditor(0x1b4c2c0) does not have a property named "gridColor"
AutomationEditor(0x1b4c2c0) does not have a property named "gridColor"
PianoRoll(0x1ae75b0) does not have a property named "gridColor"
PianoRoll(0x1ae75b0) does not have a property named "gridColor"
PatternView(0x2185c00) does not have a property named "fgColor"
PatternView(0x2185c00) does not have a property named "fgColor"
PatternView(0x2185c00) does not have a property named "fgColor"
AutomationPatternView(0x1e1e770) does not have a property named "fgColor"
AutomationPatternView(0x1e1e770) does not have a property named "fgColor"
AutomationPatternView(0x1ef6e60) does not have a property named "fgColor"
AutomationPatternView(0x1ef6e60) does not have a property named "fgColor"
AutomationPatternView(0x21aa640) does not have a property named "fgColor"
AutomationPatternView(0x21aa640) does not have a property named "fgColor"
AutomationPatternView(0x21bc280) does not have a property named "fgColor"
AutomationPatternView(0x21bc280) does not have a property named "fgColor"
AutomationPatternView(0x21b4fb0) does not have a property named "fgColor"
AutomationPatternView(0x21b4fb0) does not have a property named "fgColor"
emix@emix-Lenovo-V110-14IAP:~$
After that I closed it and reopened it and everything was working correctly, although it is still strange and I do not know why it could have happened.
pd: gracias google translate