root@cf03:~# uname -a
Linux client 4.14.0-041400rc7-generic #201710292231 SMP Sun Oct 29 22:32:07 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
root@client:~# mount
... snip ...
//server/share on /mnt/share type cifs (rw,nosuid,nodev,relatime,vers=3.0,cache=strict,username=www-data,domain=ourdomain,uid=33,forceuid,gid=33,forcegid,addr=1.2.3.4,file_mode=0770,dir_mode=0770,soft,nounix,mapposix,rsize=1048576,wsize=1048576,echo_interval=60,actimeo=1,user)
root@client:~# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 16.04.1 LTS
Release: 16.04
Codename: xenial
Confirmed that 4.14-rc7 works fine, no error.
root@cf03:~# uname -a 041400rc7- generic #201710292231 SMP Sun Oct 29 22:32:07 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux
Linux client 4.14.0-
root@client:~# mount nodev,relatime, vers=3. 0,cache= strict, username= www-data, domain= ourdomain, uid=33, forceuid, gid=33, forcegid, addr=1. 2.3.4,file_ mode=0770, dir_mode= 0770,soft, nounix, mapposix, rsize=1048576, wsize=1048576, echo_interval= 60,actimeo= 1,user)
... snip ...
//server/share on /mnt/share type cifs (rw,nosuid,
root@client:~# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 16.04.1 LTS
Release: 16.04
Codename: xenial