Right, dbus wasn't running.  "start dbus" has made it get a bit further.
So the problem looks to be that linaro-media-create assumes dbus is running,
when this may not be the case.  I hadn't heard of dbus until today and
there's no mention of it in the download instructions.

Al


> -----Original Message-----
> From: <email address hidden> [mailto:<email address hidden>] On Behalf Of
> James Tunnicliffe
> Sent: 16 March 2012 17:15
> To: Al Grant
> Subject: [Bug 957149] Re: linaro-media-create crashes, can't find
> system_bus_socket
>
> Hi,
>
> This certainly looks like an issue with dbus on your machine rather
> than
> a linaro-media-create one.  Does "sudo service dbus status" show a
> running service? I can see that dbus directory on my machine:
>
> ll /var/run/dbus/
> total 4
> drwxr-xr-x  2 messagebus messagebus  80 Mar 16 08:34 ./
> drwxr-xr-x 24 root       root       860 Mar 16 09:34 ../
> -rw-r--r--  1 root       root         5 Mar 16 08:34 pid
> srwxrwxrwx  1 root       root         0 Mar 16 08:34 system_bus_socket=
>
> It sounds a lot like:
> http://ubuntuforums.org/showthread.php?t=1859432
> https://bugs.launchpad.net/ubuntu/+source/sysvinit/+bug/858122
> ...but this should have been fixed. Do you have a /run/dbus directory?
>
> --
> You received this bug notification because you are subscribed to the
> bug
> report.
> https://bugs.launchpad.net/bugs/957149
>
> Title:
>   linaro-media-create crashes, can't find system_bus_socket
>
> Status in Linaro Image Tools:
>   New
>
> Bug description:
>   I'm creating a Pandaboard Ubuntu image for 12.02.  linaro-media-
> create
>   fails with traceback shown below.
>
>   linaro-media-create --mmc /dev/sdb --dev panda --hwpack
> hwpack_linaro-
>   lt-panda-x11-base_20120221-1_armel_supported.tar.gz --binary linaro-o
>   -ubuntu-desktop-tar-20120223-1.tar.gz
>
>   Traceback (most recent call last):
>     File "/usr/bin/linaro-media-create", line 146, in <module>
>       args.nocheck_mmc):
>     File
> "/usr/lib/pymodules/python2.7/linaro_image_tools/media_create/check_dev
> ice.py", line 125, in confirm_device_selection_and_ensure_it_is_ready
>       if _does_device_exist(device):
>     File
> "/usr/lib/pymodules/python2.7/linaro_image_tools/media_create/check_dev
> ice.py", line 58, in _does_device_exist
>       bus, udisks = _get_system_bus_and_udisks_iface()
>     File
> "/usr/lib/pymodules/python2.7/linaro_image_tools/media_create/check_dev
> ice.py", line 32, in _get_system_bus_and_udisks_iface
>       bus = dbus.SystemBus()
>     File "/usr/lib/pymodules/python2.7/dbus/_dbus.py", line 202, in
> __new__
>       private=private)
>     File "/usr/lib/pymodules/python2.7/dbus/_dbus.py", line 108, in
> __new__
>       bus = BusConnection.__new__(subclass, bus_type,
> mainloop=mainloop)
>     File "/usr/lib/pymodules/python2.7/dbus/bus.py", line 125, in
> __new__
>       bus = cls._new_for_bus(address_or_type, mainloop=mainloop)
>   dbus.exceptions.DBusException:
> org.freedesktop.DBus.Error.FileNotFound: Failed to connect to socket
> /var/run/dbus/system_bus_socket: No such file or directory
>
>   root@sdperf-board1:/hd/update# ls /var/run/dbus
>   ls: cannot access /var/run/dbus: No such file or directory
>   root@sdperf-board1:/hd/update# uname -a
>   Linux sdperf-board1 3.0.0-1404-linaro-lt-omap #9~ppa-Ubuntu SMP
> PREEMPT Sat Oct 15 23:51:59 UTC 2011 armv7l armv7l armv7l GNU/Linux
>   root@sdperf-board1:/hd/update# apt-get install dbus
>   Reading package lists... Done
>   Building dependency tree
>   Reading state information... Done
>   dbus is already the newest version.
>   dbus set to manually installed.
>   The following packages were automatically installed and are no longer
> required:
>     libxcb-xfixes0 libxcb-dri2-0
>   Use 'apt-get autoremove' to remove them.
>   0 upgraded, 0 newly installed, 0 to remove and 36 not upgraded.
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/linaro-image-
> tools/+bug/957149/+subscriptions


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