"svc: unknown version (3)" when CONFIG_NFSD_V4=y

[Fengguang Wu]

Hi Neil,

NFS mounting succeeded, but the kernel gives a warning.
I'm running 2.6.20-rc2-mm1.

# mount -o vers=3 localhost:/suse /mnt
[  689.651606] svc: unknown version (3)
# mount | grep suse
localhost:/suse on /mnt type nfs (rw,nfsvers=3,addr=127.0.0.1)

Any clues about it?

Short .config:

#
# Automatically generated make config: don't edit
# Linux kernel version: 2.6.20-rc2-mm1
# Thu Jan  4 15:55:02 2007
#
CONFIG_X86_64=y
CONFIG_64BIT=y
CONFIG_X86=y

......

#
# Network File Systems
#
CONFIG_NFS_FS=m
CONFIG_NFS_V3=y
CONFIG_NFS_V3_ACL=y
# CONFIG_NFS_V4 is not set
CONFIG_NFS_DIRECTIO=y
CONFIG_NFSD=m
CONFIG_NFSD_V2_ACL=y
CONFIG_NFSD_V3=y
CONFIG_NFSD_V3_ACL=y
CONFIG_NFSD_V4=y
CONFIG_NFSD_TCP=y
CONFIG_LOCKD=m
CONFIG_LOCKD_V4=y
CONFIG_EXPORTFS=m
CONFIG_NFS_ACL_SUPPORT=m
CONFIG_NFS_COMMON=y
CONFIG_SUNRPC=m
CONFIG_SUNRPC_GSS=m
CONFIG_RPCSEC_GSS_KRB5=m
CONFIG_RPCSEC_GSS_SPKM3=m
CONFIG_SMB_FS=m
# CONFIG_SMB_NLS_DEFAULT is not set
CONFIG_CIFS=m
CONFIG_CIFS_STATS=y
# CONFIG_CIFS_STATS2 is not set
# CONFIG_CIFS_WEAK_PW_HASH is not set
CONFIG_CIFS_XATTR=y
CONFIG_CIFS_POSIX=y
# CONFIG_CIFS_DEBUG2 is not set
# CONFIG_CIFS_EXPERIMENTAL is not set
# CONFIG_NCP_FS is not set
# CONFIG_CODA_FS is not set
# CONFIG_AFS_FS is not set
CONFIG_9P_FS=m

......

Thanks,
Wu
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