[Hardy A6] remote HDD: Thunar's eject failes, Terminal works

same for me, in release versoin of hardy.

this has also been a problem since feisty.

Thank you for taking the time to report this bug and helping to make Ubuntu better. Unfortunately we can't fix it, because your description didn't include enough information. You may find it helpful to read "How to report bugs effectively" http://www.chiark.greenend.org.uk/~sgtatham/bugs.html. We'd be grateful if you would then provide a more complete description of the problem.

At a minimum, we need:
1. the specific steps or actions you took that caused you to encounter the problem,
2. the behavior you expected, and
3. the behavior you actually encountered (in as much detail as possible).

Does the eject work from the command line?
Does the user or root own the drive/partition?
Can you try opening a root thunar (gksu thunar) and see if the eject works

Thanks!

My apologies for the lack of information. Let me give another shot at it:

To start, I shall give some information about my external HDD (see Bug attachments: fdisk on external HDD) In brief, a 300 GB disk, with a primary partition of 150 GB in NTFS and 150 GB in FAT32.

First I place my laptop on the table and next to it I place my external HDD. Then I connect my laptop with the external HDD through a USB-cable. After that I fire up my external HDD, and when the external HDD is spinning at operation speed, I fire up my laptop.

My laptop then boots Xubuntu 8.04.1 (Linux Druif 2.6.24-18-generic #1 SMP Wed May 28 20:27:26 UTC 2008 i686 GNU/Linux) and I login with my user name and password. On my desktop I see both partitions, of my external HDD, with there corresponding labels. When I right click on one of those partitions, I see that the option "mount" as well as "eject" are active. (Like in Bug attachment: Both options with partition #).
If I left click twice on one of those partitions, I get a thunar-window with a list of the files and folders of the chosen partition, just as you would expect and the partition is mounted. If I then return to my desktop and right click on the partition icon, and chose the "eject" option I get what's described in my bug description at Step 4: a pop-up window "Eject Failed - Unable to eject "BACKUP" : An unknown error occured" (where BACKUP is the label of one of my partitions) and thunar-windows of every partition of my external HDD.

So I have done some additional testing and I have come up with following results:
* Mounting a partition of my external HDD
Via left clicking twice on icon on desktop: works
Via right clicking on icon on desktop and choosing "mount": works
Via terminal command "sudo mount /dev/sdb1": fails
-> Error message "mount: can't find /dev/sdb1 in /etc/fstab or /etc/mtab"

* Unmounting a partition of my external HDD
Via terminal command "sudo umount /dev/sdb1": works

* Ejecting my external HDD
Via right clicking on icon on desktop and choosing "eject": fails
-> Error window "Eject Failed - Unable to eject ' ': An unknown error occured" (with partition's label between the ' ')
-> all partitions are of my external HDD are mounted.
-> thunar-windows of every partition of my external HDD.
Via terminal command "sudo eject /dev/sdb": fails
-> No error message
-> all partitions are of my external HDD are mounted.
-> thunar-windows of every partition of my external HDD.
Via terminal command "gksu thunar" and right click "eject": fails
-> Error window "Eject Failed - Unable to eject ' ': An unknown error occured" (with partition's label between the ' ')
-> all partitions are of my external HDD are mounted.
-> thunar-windows as user of every partition of my external HDD and thunar-windows as root of every partition of my external HDD

And the answer to your question who owns the drive/partition: See Bug attachments "ls -l of drive and partitions". In brief: the root owns the drive and partitions.

I hope I have the information you asked for, and if you need anything else, just ask ;)

Is this a duplicate of bug 199005, Unmount is not possible on floppy drives? Even though different storage is involved, both give an error when using "Eject Volume" in Thunar.

Personally I think that having more than one filesystem on the external HDD, with one of them NTFS, is the source of the problem. I have read posts on ubuntuforums.org which are stating just the same problem.

And Bug 199005 gives an different error message than this one, so the trigger for the error message can be different and so can be the cause for the error.

Thanks for reporting this bug and any supporting documentation. Since this bug has enough information provided for a developer to begin work, I'm going to mark it as confirmed and let them handle it from here. Thanks for taking the time to make Ubuntu better!

Thank you for taking the time to report this bug and helping to make Ubuntu better. However, I am closing it because the bug has been fixed in the latest development version of Ubuntu - the Jaunty Jackalope. It won't be fixed in previous versions of Ubuntu because the package doesn't fit the requirements for backporting. See https://help.ubuntu.com/community/UbuntuBackports for more information.