** Description changed: OS: Ubuntu Desktop 16.04.3 - We connect to Windows DFS with our Linux 16.04 workstations to let users - access the windows shares. Until kernel version 4.4.0-96 this worked - without any issues. However if a computer updates to kernel - 4.4.0.97.102, using the same configs and samba version, it stops working - and reports a "ls: cannot access xx: File name too long" error. (where - xx is a foldername) + We connect to Windows DFS using automounter with our Linux 16.04 + workstations to let users access the windows shares. Until kernel + version 4.4.0-96 this worked without any issues. However if a computer + updates to kernel 4.4.0.97.102, using the same configs and samba + version, it stops working and reports a "ls: cannot access xx: File name + too long" error. (where xx is a foldername) Also if you run "ls -all" you will see: d????????? ? ? ? ? ? Applications on the same computer selecting kernel 4.4.0.21.22 at grub menu: drwx--x--x 2 root root 0 Oct 20 16:44 Applications Mount commando output (removed hostnames and IP numbers ) on computer with kernel 4.4.0.21.22 //XXX/Public on /vol/winshare/Public type cifs (rw,relatime,vers=1.0,sec=krb5,cache=strict,multiuser,uid=0,noforceuid,gid=0,noforcegid,addr=x.x.x.x file_mode=0755,dir_mode=0755,nounix,mapposix,noperm,rsize=61440,wsize=65536,actimeo=1) Mount commando output (removed hostnames and IP numbers ) on the same computer with kernel 4.4.0.97.102 //XXX/Public on /vol/winshare/Public type cifs (rw,relatime,vers=1.0,sec=krb5,cache=strict,multiuser,uid=0,noforceuid,gid=0,noforcegid,addr=x.x.x.x,file_mode=0755,dir_mode=0755,nounix,mapposix,noperm,rsize=61440,wsize=65536,echo_interval=60,actimeo=1) During these tests the only thing that changed is the running kernel, no other changes were applied.
** Description changed: OS: Ubuntu Desktop 16.04.3 We connect to Windows DFS using automounter with our Linux 16.04 workstations to let users access the windows shares. Until kernel version 4.4.0-96 this worked without any issues. However if a computer updates to kernel 4.4.0.97.102, using the same configs and samba version, it stops working and reports a "ls: cannot access xx: File name too long" error. (where xx is a foldername) Also if you run "ls -all" you will see: d????????? ? ? ? ? ? Applications on the same computer selecting kernel 4.4.0.21.22 at grub menu: drwx--x--x 2 root root 0 Oct 20 16:44 Applications Mount commando output (removed hostnames and IP numbers ) on computer with kernel 4.4.0.21.22 //XXX/Public on /vol/winshare/Public type cifs (rw,relatime,vers=1.0,sec=krb5,cache=strict,multiuser,uid=0,noforceuid,gid=0,noforcegid,addr=x.x.x.x file_mode=0755,dir_mode=0755,nounix,mapposix,noperm,rsize=61440,wsize=65536,actimeo=1) Mount commando output (removed hostnames and IP numbers ) on the same computer with kernel 4.4.0.97.102 //XXX/Public on /vol/winshare/Public type cifs (rw,relatime,vers=1.0,sec=krb5,cache=strict,multiuser,uid=0,noforceuid,gid=0,noforcegid,addr=x.x.x.x,file_mode=0755,dir_mode=0755,nounix,mapposix,noperm,rsize=61440,wsize=65536,echo_interval=60,actimeo=1) During these tests the only thing that changed is the running kernel, no other changes were applied. + + autofs config file used for this connection + + Public -fstype=cifs,sec=krb5,multiuser,nounix,noserverino + ://<servername>/Public -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1725322 Title: kernel 4.4.0.97.102 breaks DFS To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1725322/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
