Thanks it was probably the FUSE driver. I haven't had a problem with it but I'm not a heavy user. On the other hand I've been a heavy user of exFat formatted s

Thanks it was probably the FUSE driver. I haven't had a problem with it but I'm not a heavy user. On the other hand I've been a heavy user of exFat formatted sd cards on Samsung phones for long years and had no problems with it, so hopefully the new Linux driver (which Samsung upstreamed) will be solid.