Linux.
Есть NFS том
он расшарен через Самбу

[global]
        wins server = server
        passwd program = /usr/bin/passwd %u
        dns proxy = no
        null passwords = Yes
        encrypt passwords = Yes
        character set = KOI8-R
        socket options = TCP_NODELAY SO_RCVBUF=8192 SO_SNDBUF=8192
        bind interfaces only = Yes
        max log size = 1000
        interfaces = 192.168.0.45/24
        password server = server
        passwd chat = *New*password* %n\n *Retype*new*password* %n\n *passwd:*all*authentication*tokens*updated*successfully*
        security = server
        unix password sync = Yes
        server string = Samba Server
        workgroup = testgroup
        client code page = 866
        netbios name = AMBER
        log file = /var/log/samba/%m.log
        load printers = No
        os level = 20

[NFS]
    comment = NFS
    path = /mnt/nfs
    read only = No
    create mask = 0777
    force create mode = 0777
    directory mask = 0777
    force directory mode = 0777
    guest ok = Yes
    delete readonly = Yes

На этом томе лежат экселевские файлы.
Так вот. с сети эти файлы открываються попытки с 10-й
Обычно не открываються вовсе и в логах

Dec  1 15:26:10 smbd[4979]: [2003/12/01 15:26:10, 0] locking/posix.c:posix_fcntl_lock(656)
Dec  1 15:26:10  smbd[4979]:   posix_fcntl_lock: WARNING: lock request at offset 2147483539, length 1 returned
Dec  1 15:26:10  smbd[4979]: [2003/12/01 15:26:10, 0] locking/posix.c:posix_fcntl_lock(658)
Dec  1 15:26:10  smbd[4979]:   an No locks available error. This can happen when using 64 bit lock offsets
Dec  1 15:26:10  smbd[4979]: [2003/12/01 15:26:10, 0] locking/posix.c:posix_fcntl_lock(659)
Dec  1 15:26:10  smbd[4979]:   on 32 bit NFS mounted file systems.
Dec  1 15:26:10  smbd[4979]: [2003/12/01 15:26:10, 0] locking/posix.c:posix_fcntl_lock(656)
Dec  1 15:26:10  smbd[4979]:   posix_fcntl_lock: WARNING: lock request at offset 2147483539, length 1 returned
Dec  1 15:26:10 smbd[4979]: [2003/12/01 15:26:10, 0] locking/posix.c:posix_fcntl_lock(658)
Dec  1 15:26:10  smbd[4979]:   an No locks available error. This can happen when using 64 bit lock offsets
Dec  1 15:26:10  smbd[4979]: [2003/12/01 15:26:10, 0] locking/posix.c:posix_fcntl_lock(659)
Dec  1 15:26:10  smbd[4979]:   on 32 bit NFS mounted file systems.
Dec  1 15:26:10  smbd[4979]: [2003/12/01 15:26:10, 0] locking/posix.c:posix_fcntl_lock(656)
Dec  1 15:26:10  smbd[4979]:   posix_fcntl_lock: WARNING: lock request at offset 2147483539, length 1 returned
Dec  1 15:26:10  smbd[4979]: [2003/12/01 15:26:10, 0] locking/posix.c:posix_fcntl_lock(658)
Dec  1 15:26:10  smbd[4979]:   an No locks available error. This can happen when using 64 bit lock offsets
Dec  1 15:26:10  smbd[4979]: [2003/12/01 15:26:10, 0] locking/posix.c:posix_fcntl_lock(659)
Dec  1 15:26:10  smbd[4979]:   on 32 bit NFS mounted file systems.
Dec  1 15:26:46  smbd[4979]: [2003/12/01 15:26:46, 0] smbd/oplock.c:oplock_break(797)
Dec  1 15:26:46  smbd[4979]:   oplock_break: receive_smb timed out after 30 seconds.
Dec  1 15:26:46  smbd[4979]:   oplock_break failed for file \220\205\212\213\200\214\200\226\210\210.xls (dev = 9, inode = 818467, file_id = 35).
Dec  1 15:26:46 smbd[4979]: [2003/12/01 15:26:46, 0] smbd/oplock.c:oplock_break(869)
Dec  1 15:26:46  smbd[4979]:   oplock_break: client failure in oplock break in file \220\205

В чем может быть дело?