[NFS-Ganesha-Devel] Input/output error on CentOS7.2 with nfs4.1

We are getting "Input/output error" when reading regular files on CentOS7.2 with nfs4.1(4.0 is ok).Is anyone know about this?Thanks in advance. Ganesha server info kernel version : 3.10.0-693.17.1.el7.x86_64(CentOS 7.5.1804) ganesha version: 3bd444c9706e02b778343c9787a7ce3411a5ce61(V2.8-dev.22) FSAL : glusternfs client info kernel version : 3.10.0-327.el7.x86_64(CentOS 7.2.1511) nfs version : nfs4.1 mount options : rw,relatime,vers=4.1,rsize=1048576,wsize=1048576,namlen=255,hard,proto=tcp,port=0,timeo=600,retrans=2,sec=sys,clientaddr=XXX,local_lock=none,addr=YYY