[Bug 1653887] [NEW] fstab mount with option "nofail" not working

[Alexander Bangert]

Public bug reported:

We need for our schroot environment a few initial mounts. This mounts
are configured in the schroot config fstab file with the following
parameters:

#/yocto-build    /yocto-build    none    bind,defaults,nofail  0       0

Important for us is the option "nofail" because there are some temporary mounts which must not exist. This "nofail" option is working as follows with no errors as expected:
sudo mount -o nofail,bind /NOT_EXISTING_DIR /mnt

But with the configured option in the fstab for schroot the following errors appears:
E: 10mount: mount: /var/lib/schroot/mount/jessie/yocto-build is not mountpoint or bad option
E: 10mount: 
E: 10mount:        In some cases useful info is found in syslog - try
E: 10mount:        dmesg | tail or so.
E: jessie: Chroot setup failed: stage=setup-start

There are no relevant syslog or dmesg entries...


Description:	Ubuntu 16.04.1 LTS
Release:	16.04

schroot:
  Installiert:           1.6.10-1ubuntu3
  Installationskandidat: 1.6.10-1ubuntu3
  Versionstabelle:
 *** 1.6.10-1ubuntu3 500
        500 http://de.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
        100 /var/lib/dpkg/status

** Affects: schroot (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1653887

Title:
  fstab mount with option "nofail" not working

Status in schroot package in Ubuntu:
  New

Bug description:
  We need for our schroot environment a few initial mounts. This mounts
  are configured in the schroot config fstab file with the following
  parameters:

  #/yocto-build    /yocto-build    none    bind,defaults,nofail  0
  0

  Important for us is the option "nofail" because there are some temporary mounts which must not exist. This "nofail" option is working as follows with no errors as expected:
  sudo mount -o nofail,bind /NOT_EXISTING_DIR /mnt

  But with the configured option in the fstab for schroot the following errors appears:
  E: 10mount: mount: /var/lib/schroot/mount/jessie/yocto-build is not mountpoint or bad option
  E: 10mount: 
  E: 10mount:        In some cases useful info is found in syslog - try
  E: 10mount:        dmesg | tail or so.
  E: jessie: Chroot setup failed: stage=setup-start

  There are no relevant syslog or dmesg entries...



  Description:	Ubuntu 16.04.1 LTS
  Release:	16.04

  schroot:
    Installiert:           1.6.10-1ubuntu3
    Installationskandidat: 1.6.10-1ubuntu3
    Versionstabelle:
   *** 1.6.10-1ubuntu3 500
          500 http://de.archive.ubuntu.com/ubuntu xenial/main amd64 Packages
          100 /var/lib/dpkg/status

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