I have exactly same problem as one described by Tony. Reverting back nfs-common package to version 1.2.5-3 solves issue and everything works OK.
My NFS shares are served by Debian Squeeze box and no server upgrade was done there. Exec flag in fstab does not help as well. Package: nfs-common Version: 1:1.2.5-4 Followup-For: Bug #657497 -- Package-specific info: -- rpcinfo -- program vers proto port service 100000 4 tcp 111 portmapper 100000 3 tcp 111 portmapper 100000 2 tcp 111 portmapper 100000 4 udp 111 portmapper 100000 3 udp 111 portmapper 100000 2 udp 111 portmapper 100021 1 udp 45810 nlockmgr 100021 3 udp 45810 nlockmgr 100021 4 udp 45810 nlockmgr 100021 1 tcp 47670 nlockmgr 100021 3 tcp 47670 nlockmgr 100021 4 tcp 47670 nlockmgr 100024 1 udp 51653 status 100024 1 tcp 40295 status -- /etc/default/nfs-common -- NEED_STATD= STATDOPTS= NEED_IDMAPD=yes NEED_GSSD=no -- /etc/idmapd.conf -- [General] Verbosity = 0 Pipefs-Directory = /var/lib/nfs/rpc_pipefs [Mapping] Nobody-User = nobody Nobody-Group = nogroup -- /etc/fstab -- imperator:/srv/xbmc /mnt/xbmc nfs users,noatime,async,nolock,nfsvers=3 0 0 imperator:/usr/src/linux /usr/src/linux-imperator nfs users,async,exec 0 0 -- /proc/mounts -- imperator:/srv/xbmc/ /mnt/xbmc nfs rw,nosuid,nodev,noexec,noatime,vers=3,rsize=65536,wsize=65536,namlen=255,hard,nolock,proto=tcp,timeo=600,retrans=2,sec=sys,mountaddr=192.168.1.3,mountvers=3,mountport=56275,mountproto=udp,local_lock=all,addr=192.168.1.3 0 0 nfsd /proc/fs/nfsd nfsd rw,relatime 0 0 imperator:/usr/src/linux/ /usr/src/linux-imperator nfs rw,nosuid,nodev,relatime,vers=3,rsize=65536,wsize=65536,namlen=255,hard,proto=tcp,timeo=600,retrans=2,sec=sys,mountaddr=192.168.1.3,mountvers=3,mountport=43815,mountproto=udp,local_lock=none,addr=192.168.1.3 0 0 rpc_pipefs /var/lib/nfs/rpc_pipefs rpc_pipefs rw,relatime 0 0 -- System Information: Debian Release: wheezy/sid APT prefers unstable APT policy: (1001, 'unstable'), (500, 'stable'), (101, 'experimental'), (101, 'testing') Architecture: amd64 (x86_64) Kernel: Linux 3.2.0-1-amd64 (SMP w/4 CPU cores) Locale: LANG=C, LC_CTYPE=pl_PL.utf8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Versions of packages nfs-common depends on: ii adduser 3.113 ii initscripts 2.88dsf-18 ii libc6 2.13-24 ii libcap2 1:2.22-1 ii libcomerr2 1.42-1 ii libdevmapper1.02.1 2:1.02.67-2 ii libevent-2.0-5 2.0.16-stable-1 ii libgssapi-krb5-2 1.10+dfsg~beta1-2 ii libgssglue1 0.3-4 ii libk5crypto3 1.10+dfsg~beta1-2 ii libkeyutils1 1.5.2-2 ii libkrb5-3 1.10+dfsg~beta1-2 ii libmount1 2.20.1-1.2 ii libnfsidmap2 0.25-1 ii libtirpc1 0.2.2-5 ii libwrap0 7.6.q-22 ii lsb-base 3.2-28.1 ii rpcbind 0.2.0-7 ii ucf 3.0025+nmu2 Versions of packages nfs-common recommends: ii python 2.7.2-10 nfs-common suggests no packages. Versions of packages nfs-kernel-server depends on: ii libblkid1 2.20.1-1.2 ii libc6 2.13-24 ii libnfsidmap2 0.25-1 ii libtirpc1 0.2.2-5 ii libwrap0 7.6.q-22 ii lsb-base 3.2-28.1 ii ucf 3.0025+nmu2 -- no debconf information -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org