[Bug 1492534] [NEW] USB devices fail to automount unless Thunar is running

[MR Zenwiz]

Public bug reported:

I'm running Xubuntu 14.04.3:

 3.13.0-57-generic #95-Ubuntu SMP Fri Jun 19 09:28:15 UTC 2015 x86_64 GNU/Linux
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=14.04
DISTRIB_CODENAME=trusty
DISTRIB_DESCRIPTION="Ubuntu 14.04.3 LTS"

thunar:
  Installed: 1.6.3-1ubuntu5
  Candidate: 1.6.3-1ubuntu5
  Version table:
 *** 1.6.3-1ubuntu5 0
        500 http://us.archive.ubuntu.com/ubuntu/ trusty/universe amd64 Packages
        100 /var/lib/dpkg/status

with all the latest updates.  I run this on three different machines -
my home desktop, my work desktop and my home laptop.

As of about two weeks ago, I upgraded my home desktop to an Intel base,
and last week it stopped automounting any USB disk/flash drives UNLESS
Thunar is also running when I plug the drives in.  (My work desktop is
also an Intel base and this never happens there.)

This happens for my usual flash drives and also my SATA-USB3 conversion
plug-in tray.

When the drive plugs in, it shows up in lsusb, but the notification
never appears, df does not see it and I can't access it normally.

I discovered that, if I am not running Thunar when the drive is plugged
in, I can run it, then click on the drive icon in the left vertical
panel, and that mounts the drive.

If I am running Thunar, it mounts (semi)automatically with full
notification, just like it used to without Thunar..

I have checked the Removable Drives and Media panel of settings, and the
Mount removable drives when hot plugged and Mount removable media when
inserted boxes are both checked.

What I expected to happen:

The drive mounts and is visible in df and accessible for all normal
commands.

What happened was:

The drive shows up in lsusb but nowhere else unless Thunar is running or
I start it up and click on the drive name.

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

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https://bugs.launchpad.net/bugs/1492534

Title:
  USB devices fail to automount unless Thunar is running

Status in udisks package in Ubuntu:
  New

Bug description:
  I'm running Xubuntu 14.04.3:

   3.13.0-57-generic #95-Ubuntu SMP Fri Jun 19 09:28:15 UTC 2015 x86_64 GNU/Linux
  DISTRIB_ID=Ubuntu
  DISTRIB_RELEASE=14.04
  DISTRIB_CODENAME=trusty
  DISTRIB_DESCRIPTION="Ubuntu 14.04.3 LTS"

  thunar:
    Installed: 1.6.3-1ubuntu5
    Candidate: 1.6.3-1ubuntu5
    Version table:
   *** 1.6.3-1ubuntu5 0
          500 http://us.archive.ubuntu.com/ubuntu/ trusty/universe amd64 Packages
          100 /var/lib/dpkg/status

  with all the latest updates.  I run this on three different machines -
  my home desktop, my work desktop and my home laptop.

  As of about two weeks ago, I upgraded my home desktop to an Intel
  base, and last week it stopped automounting any USB disk/flash drives
  UNLESS Thunar is also running when I plug the drives in.  (My work
  desktop is also an Intel base and this never happens there.)

  This happens for my usual flash drives and also my SATA-USB3
  conversion plug-in tray.

  When the drive plugs in, it shows up in lsusb, but the notification
  never appears, df does not see it and I can't access it normally.

  I discovered that, if I am not running Thunar when the drive is
  plugged in, I can run it, then click on the drive icon in the left
  vertical panel, and that mounts the drive.

  If I am running Thunar, it mounts (semi)automatically with full
  notification, just like it used to without Thunar..

  I have checked the Removable Drives and Media panel of settings, and
  the Mount removable drives when hot plugged and Mount removable media
  when inserted boxes are both checked.

  What I expected to happen:

  The drive mounts and is visible in df and accessible for all normal
  commands.

  What happened was:

  The drive shows up in lsusb but nowhere else unless Thunar is running
  or I start it up and click on the drive name.

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