当使用mount.cifs ver在Debian 8.2上安装OSX 10.9.5共享时 6.4：
mount error(95): Operation not supported
证书不是问题。 我可以通过smbclient访问它们。 Mount正确读取凭证文件中的域和用户名。 我以root身份运行，所以希望没有权限问题。
我能find的唯一区别是在文件共享主机上的/var/log/system.log报告的标志。 访问mount.cifs列出没有标志， smbclient列出了一些。 但mount.cifs在另一台机器（archlinux）上工作，也没有标志。
# smb client works fine smbclient \\\\arnold\\T800 -A ~ni_tools/passwd/arnold Domain=[ARNOLD] OS=[Darwin] Server=[@(#)PROGRAM:smbd PROJECT:smbx-276.92.2] smb: \> # mount sudo mount -t cifs //arnold/T800 test -o credentials=~ni_tools/passwd/arnold,iocharset=utf8,uid=1000,gid=1000,rw -vv domain=ARNOLD mount.cifs kernel mount options: ip=157.229.27.130,unc=\\arnold\T800,iocharset=utf8,uid=1000,gid=1000,user=lncd,,domain=ARNOLD,pass=******** mount error(95): Operation not supported Refer to the mount.cifs(8) manual page (eg man mount.cifs) # get more info echo 1 > /proc/fs/cifs/traceSMB echo 1 > /proc/fs/cifs/cifsFYI # whats going on? I don't know dmesg |tail [278115.106815] | 0x00 0x00 0x00 0x00 0x01 0x01 0x00 0x01 | _ _ _ _ _ _ _ _ [278115.106821] | 0x00 0x61 | _ a [278115.107104] /build/linux-x1KGLI/linux-3.16.7-ckt11/fs/cifs/connect.c: RFC1002 header 0x26 [278115.107115] | 0x00 0x00 0x00 0x26 0xff 0x53 0x4d 0x42 | _ _ _ & \xffffffff SMB [278115.107123] | 0x2b 0x00 0x00 0x00 0x00 0x80 0x01 0x48 | + _ _ _ _ _ _ H [278115.107129] | 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 | _ _ _ _ _ _ _ _ [278115.107135] | 0x00 0x00 0x00 0x00 0xff 0xff 0x5c 0x04 | _ _ _ _ \xffffffff \xffffffff \ _ [278115.107141] | 0x00 0x00 0x00 0x00 0x01 0x01 0x00 0x01 | _ _ _ _ _ _ _ _ [278115.107146] | 0x00 0x61 | _ a [278115.107157] /build/linux-x1KGLI/linux-3.16.7-ckt11/fs/cifs/misc.c: checkSMB Length: 0x2a, smb_buf_length: 0x26
arnold： /var/log/system.log
### Successful mount from archlinux ### Dec 17 15:11:42 arnold.wpic.upmc.edu digest-service[54605]: digest-request: uid=0 Dec 17 15:11:42 arnold.wpic.upmc.edu digest-service[54605]: digest-request: init request Dec 17 15:11:42 arnold.wpic.upmc.edu digest-service[54605]: digest-request: init return domain: ARNOLD server: ARNOLD indomain was: <NULL> Dec 17 15:11:42 arnold.wpic.upmc.edu digest-service[54605]: digest-request: uid=0 Dec 17 15:11:42 arnold.wpic.upmc.edu digest-service[54605]: digest-request: od failed with 2 proto=ntlmv2 Dec 17 15:11:42 arnold.wpic.upmc.edu digest-service[54605]: digest-request: user=ARNOLD\lncd Dec 17 15:11:42 arnold.wpic.upmc.edu digest-service[54605]: digest-request kdc: ok user=ARNOLD\lncd proto=ntlmv2 flags: ### FAILED MOUNT ATTEMPT ### Dec 17 14:39:11 arnold.wpic.upmc.edu digest-service[54210]: digest-request: uid=0 Dec 17 14:39:11 arnold.wpic.upmc.edu digest-service[54210]: digest-request: init request Dec 17 14:39:11 arnold.wpic.upmc.edu digest-service[54210]: digest-request: init return domain: ARNOLD server: ARNOLD indomain was: <NULL> Dec 17 14:39:11 arnold.wpic.upmc.edu digest-service[54210]: digest-request: uid=0 Dec 17 14:39:11 arnold.wpic.upmc.edu digest-service[54210]: digest-request: init request Dec 17 14:39:11 arnold.wpic.upmc.edu digest-service[54210]: digest-request: init return domain: ARNOLD server: ARNOLD indomain was: <NULL> Dec 17 14:39:11 arnold.wpic.upmc.edu digest-service[54210]: digest-request: uid=0 Dec 17 14:39:11 arnold.wpic.upmc.edu digest-service[54210]: digest-request: init request Dec 17 14:39:11 arnold.wpic.upmc.edu digest-service[54210]: digest-request: init return domain: ARNOLD server: ARNOLD indomain was: <NULL> Dec 17 14:39:11 arnold.wpic.upmc.edu digest-service[54210]: digest-request: uid=0 Dec 17 14:39:11 arnold.wpic.upmc.edu digest-service[54210]: digest-request: od failed with 2 proto=ntlmv2 Dec 17 14:39:11 arnold.wpic.upmc.edu digest-service[54210]: digest-request: user=ARNOLD\lncd Dec 17 14:39:11 arnold.wpic.upmc.edu digest-service[54210]: digest-request kdc: ok user=ARNOLD\lncd proto=ntlmv2 flags: ### SMBCLIENT ##### Dec 17 14:57:48 arnold.wpic.upmc.edu digest-service[54353]: digest-request: uid=0 Dec 17 14:57:48 arnold.wpic.upmc.edu digest-service[54353]: digest-request: init request Dec 17 14:57:48 arnold.wpic.upmc.edu digest-service[54353]: digest-request: init return domain: ARNOLD server: ARNOLD indomain was: <NULL> Dec 17 14:57:48 arnold.wpic.upmc.edu digest-service[54353]: digest-request: uid=0 Dec 17 14:57:48 arnold.wpic.upmc.edu digest-service[54353]: digest-request: od failed with 2 proto=ntlmv2 Dec 17 14:57:48 arnold.wpic.upmc.edu digest-service[54353]: digest-request: user=WORKGROUP\lncd Dec 17 14:57:48 arnold.wpic.upmc.edu digest-service[54353]: digest-request kdc: ok user=ARNOLD\lncd proto=ntlmv2 flags: NEG_KEYEX, ENC_128, NEG_NTLM2, NEG_ALWAYS_SIGN, NEG_NTLM, NEG_SIGN, NEG_TARGET, NEG_UNICODE
OSX的samba服务器（ SMBX ）需要使用nounix,sec=ntlmssp,noperm
https://stackoverflow.com/questions/26000289/debian-7-fstab-mount-cifs-invalid-argument