Samba 3.0.7 should contain a fix to the real problem (in smbd on the server) but the minor workaround on the client to avoid it has been checked in to the cifs vfs project tree http://cifs.bkbits.net:8080/linux-2.5cifs/gnupatch@41272831yiAcpsDFd8Ebxp0qeAn1sg