Package: systemd
Version: 227-2

I have an optical drive in my PC, with an fstab entry:
  /dev/dvd /media/dvd udf,iso9660 user,noauto 0 0
Today I plugged in another optical drive via USB; and since unplugging
it, systemd won't let me use /media/dvd for a loopback mount.

For example, I run "mount -o loop test.iso /media/dvd; ls -l /media/dvd"
and can see the contents.  But systemd immediately unmounts it:
  Nov 08 20:48:51 terra kernel: UDF-fs: warning (device loop0): udf_load_vrs: 
No anchor found
  Nov 08 20:48:51 terra kernel: UDF-fs: Rescanning with blocksize 2048
  Nov 08 20:48:51 terra kernel: UDF-fs: warning (device loop0): udf_load_vrs: 
No anchor found
  Nov 08 20:48:51 terra kernel: UDF-fs: Rescanning with blocksize 2048
  Nov 08 20:48:51 terra kernel: UDF-fs: INFO Mounting volume 'CDROM', timestamp 
2015/11/08 23:14 (1000)
  Nov 08 20:48:51 terra systemd[1]: media-dvd.mount: Unit is bound to inactive 
unit dev-sr1.device. Stopping, too.
  Nov 08 20:48:51 terra systemd[1]: Unmounting /media/dvd...
  Nov 08 20:48:51 terra systemd[1]: Unmounted /media/dvd.
  Nov 08 20:48:51 terra systemd[1]: media-dvd.mount: Unit entered failed state.

I've included the "media-dvd.mount" section from systemd-analyze below.
I don't know how that job got associated with sr1 or how to disassociate
it (/dev/dvd points to sr0).  Given that "noauto" is set, I don't expect
systemd to react at all.

A workaround is to use another mountpoint.

-- Michael


-> Unit media-dvd.mount:
        Description: /media/dvd
        Instance: n/a
        Unit Load State: loaded
        Unit Active State: failed
        Inactive Exit Timestamp: Sun 2015-11-08 20:48:51 EST
        Active Enter Timestamp: Sun 2015-11-08 20:48:51 EST
        Active Exit Timestamp: Sun 2015-11-08 20:48:51 EST
        Inactive Enter Timestamp: Sun 2015-11-08 20:48:51 EST
        GC Check Good: yes
        Need Daemon Reload: no
        Transient: no
        Slice: system.slice
        CGroup: n/a
        CGroup realized: no
        CGroup mask: 0x0
        CGroup members mask: 0x0
        Name: media-dvd.mount
        Documentation: man:fstab(5)
        Documentation: man:systemd-fstab-generator(8)
        Fragment Path: /run/systemd/generator/media-dvd.mount
        Source Path: /etc/fstab
        Requires: -.mount
        Wants: system.slice
        BindsTo: dev-sr1.device
        WantedBy: dev-sr1.device
        Conflicts: umount.target
        Before: local-fs.target
        Before: umount.target
        After: systemd-journald.socket
        After: local-fs-pre.target
        After: system.slice
        After: dev-sr1.device
        After: -.mount
        References: -.mount
        References: systemd-journald.socket
        References: local-fs-pre.target
        References: umount.target
        References: dev-sr1.device
        References: system.slice
        References: local-fs.target
        RequiresMountsFor: /media /dev/dvd
        StopWhenUnneeded: no
        RefuseManualStart: no
        RefuseManualStop: no
        DefaultDependencies: yes
        OnFailureJobMode: replace
        IgnoreOnIsolate: yes
        IgnoreOnSnapshot: no
        Mount State: failed
        Result: exit-code
        Where: /media/dvd
        What: /dev/dvd
        File System Type: udf,iso9660
        Options: user,noauto
        From /proc/self/mountinfo: no
        From fragment: yes
        DirectoryMode: 0755
        UMask: 0022
        WorkingDirectory: /
        RootDirectory: /
        NonBlocking: no
        PrivateTmp: no
        PrivateNetwork: no
        PrivateDevices: no
        ProtectHome: no
        ProtectSystem: no
        IgnoreSIGPIPE: yes
        LimitNOFILE: 4096
        StandardInput: null
        StandardOutput: journal
        StandardError: inherit
        SyslogFacility: daemon
        SyslogLevel: info
        KillMode: control-group
        KillSignal: SIGTERM
        SendSIGKILL: yes
        SendSIGHUP:  no

-- Package-specific info:

-- System Information:
Debian Release: stretch/sid
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: amd64 (x86_64)
Foreign Architectures: arm64, mips

Kernel: Linux 4.2.0-1-amd64 (SMP w/8 CPU cores)
Locale: LANG=en_CA.UTF-8, LC_CTYPE=en_CA.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: sysvinit (via /sbin/init)

Versions of packages systemd depends on:
ii  adduser         3.113+nmu3
ii  libacl1         2.2.52-2
ii  libapparmor1    2.10-2+b1
ii  libaudit1       1:2.4.4-4
ii  libblkid1       2.27.1-1
ii  libc6           2.19-22
ii  libcap2         1:2.24-12
ii  libcap2-bin     1:2.24-12
ii  libcryptsetup4  2:1.6.6-5
ii  libgcrypt20     1.6.4-3
ii  libkmod2        21-1
ii  liblzma5        5.1.1alpha+20120614-2.1
ii  libmount1       2.27.1-1
ii  libpam0g        1.1.8-3.1
ii  libseccomp2     2.2.3-2
ii  libselinux1     2.3-2+b1
ii  libsystemd0     227-2
ii  mount           2.27.1-1
ii  sysv-rc         2.88dsf-59.2
ii  udev            227-2
ii  util-linux      2.27.1-1

Versions of packages systemd recommends:
ii  dbus            1.10.2-1
ii  libpam-systemd  227-2

Versions of packages systemd suggests:
pn  systemd-container  <none>
pn  systemd-ui         <none>

-- no debconf information

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