[Bug 1586707] Re: Failure mounting cifs volumes pam_mount

[Aleksi]

I confirm that this bug occurs on Ubuntu 16.04 as well. A workaround is
to omit the "sgrp" attribute which sometimes causes a 10-second hang per
mount for local users (with no permission for volume) when logging in.
With 10 volumes to mount... yikes!

My configuration:

<volume user="*" sgrp="residents" fstype="cifs"
server="domain.example.com" path="data/users/%(USER)/documents"
mountpoint="~/Documents"
options="uid=%(USER),gid=100,dir_mode=0700,file_mode=0700,nounix,iocharset=utf8,rw,sec=ntlmsspi"
/>

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https://bugs.launchpad.net/bugs/1586707

Title:
  Failure mounting cifs volumes pam_mount

Status in samba package in Ubuntu:
  Confirmed

Bug description:
  Since version " 2: 4.3.8 + dfsg - 0ubuntu0.14.04.2 " current " 2:
  4.3.9 + dfsg - 0ubuntu1 " that cifs volumes with " SGRP " attribute in
  pam_mount are not mounted .

  In fact the volume is only mounted when the volume access permission
  group is the primary group that is logged in, otherwise the volume is
  not mounted.

  For example:

  <volume sgrp="administrators" fstype="cifs" server="Fileserver"
  path="share" mountpoint="/home/%(user)/share" />

  If the share has only limited access to " administrators " and the
  user's primary group for this , so the volume is mounted . But even if
  the user belongs to the Administrators group , just not being the
  primary user group ( in Active Directory usually the primary group by
  default is " Domain Users " ) , the same share is not mounted.

  Distros : Ubuntu 14.04 or higher.

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