Rpi4 4gb I can't use cp to copy a file who is bigge than 4Gb

[PowaBanga]

Hi everybody,
I just want to understand why i cannot use cp to copy a file who is bigger than 4gb from my nfs server on my raspberrypi 4 (4gb)

so in my case, my nfs server is mounted with fstab in /mnt/nfs, and when cp copied 4gb of thee file, i recieve this error : Input/output error

Is it normal, and can I fix this ?

Because if i plug my hdd on my rpi, i can read this files with kodi for exemple, but through nfs, the video stop when kodi read 4gb of the file

[InFerNo]

What filesystem are you using?

[PowaBanga]

they are all in ext4 :/