the line that crash the system was :
nas2:/volume1/media /media/NAS2_média nfs soft,rw,bg 0 2
will take a picture later for the recovery mode and will add it here (but the bug is easy to reproduce)
the line that crash the system was :
nas2:/volume1/media /media/NAS2_média nfs soft,rw,bg 0 2
will take a picture later for the recovery mode and will add it here (but the bug is easy to reproduce)