What could be the problem? This is with version 2.8.3. spillbox-nfs-server-01 : ganesha.nfsd.regress-vcsregrfeb22-nfs-server-19310[svc_640] nfs4_op_lock :NFS4 LOCK :EVENT :LOCK failed to create new lock owner Lock: obj=0x2b8a9406f3b8, fileid=83243891, type=READ , start=0x0, end=0xffffffffffffffff, owner={STATE_OPEN_OWNER_NFSV4 0x2b89b0387530: clientid={0x2b893c30cf90 ClientID={Epoch=0x63f5d208 Counter=0x000000b8} CONFIRMED Client={0x2b893c067760 name=(39:Linux NFSv4.0 spillbox-33/ 10.178.28.118) refcount=1} t_delta=0 reservations=1 refcount=10 cb_prog=1073741824 r_addr=10.178.28.54.177.211 r_netid=tcp} owner=(24:0x6f70656e2069643a00000042000000000002b0d23b581e0d) confirmed=1 seqid=125711 refcount=130} 23/02/2023 18:08:28 : epoch 63f5d208 : spillbox-nfs-server-01 : ganesha.nfsd.regress-vcsregrfeb22-nfs-server-19310[svc_628] create_nfs4_owner :NFS4 LOCK :CRIT :Related {STATE_OPEN_OWNER_NFSV4 0x2b89f02a7f80: clientid={0x2b8930343fb0 ClientID={Epoch=0x63f5d208 Counter=0x000000c9} CONFIRMED Client={0x2b89300bd880 name=(39:Linux NFSv4.0 spillbox-80/10.178.28.118) refcount=1} t_delta=0 reservations=1 refcount=19 cb_prog=1073741824 r_addr=10.178.28.23.155.163 r_netid=tcp} owner=(24:0x6f70656e2069643a00000042000000000002b1a675f4638c) confirmed=1 seqid=127246 refcount=121} doesn't match for {STATE_LOCK_OWNER_NFSV4 0x2b89783ea1c0: clientid={0x2b8930343fb0 ClientID={Epoch=0x63f5d208 Counter=0x000000c9} CONFIRMED Client={0x2b89300bd880 name=(39:Linux NFSv4.0 spillbox-80/10.178.28.118) refcount=1} t_delta=0 reservations=1 refcount=19 cb_prog=1073741824 r_addr=10.178.28.23.155.163 r_netid=tcp} owner=(20:0x6c6f636b2069643a000000420000000000000000) confirmed=1 seqid=0 related_owner={STATE_OPEN_OWNER_NFSV4 0x2b88c81bada0: clientid={0x2b8930343fb0 ClientID={Epoch=0x63f5d208 Counter=0x000000c9} CONFIRMED Client={0x2b89300bd880 name=(39:Linux NFSv4.0 spillbox-80/ 10.178.28.118) refcount=1} t_delta=0 reservations=1 refcount=19 cb_prog=1073741824 r_addr=10.178.28.23.155.163 r_netid=tcp} owner=(24:0x6f70656e2069643a00000042000000000002af455610f805) confirmed=1 seqid=109320 refcount=187} refcount=3} -- Alok Sinha www.spillbox.io https://www.youtube.com/watch?v=g3RujrjlZIY