Hi John, Yeah, I am sorry to send you on a detour, but fortunately with this OS, you can easily contact developers, or (if you program) fix it yourself.
A pain free solution, would be to use a different file manager such as Thunar, or Nautilus, though you will have to change some settings to get everything to work just the way you want it to. On 09/26/2014 09:58 AM, John Hupp wrote: > This has the feel of the beginning of the kind of detour I want to > avoid now, but OK, this much I have now done. If they run with it and > deliver a solution, it will be worthwhile. > > On 9/25/2014 9:23 PM, Israel wrote: >> Hi John, >> It seems that this *may* be a bug in PCManFM. >> >> You might point the developers to this bug. >> Here is their mailing list: >> >> https://lists.sourceforge.net/lists/listinfo/pcmanfm-develop >> >> My reasoning is, if Shotwell can find it correctly, then the backend >> MUST work (except the error -53) >> Unless the libfm backend doesn't work right... >> Either way, I think the pcmanfm devs will be able to fix this, and >> would probably appreciate your report. You are always very detailed >> and very rigorous in your testing, and can give reliable tests to >> reproduce this bug. >> >> On 09/25/2014 12:21 PM, John Hupp wrote: >>> New developments: >>> >>> I dug up some old testing info from another problem and see that I >>> was using >>> $ gvfs-mount -s gphoto2 >>> to unmount gvfs filesystems (used for all cameras supporting the PTP >>> standard for photo transfers) >>> >>> But to use gvfs-mount, you have to first install gvfs-bin. >>> >>> But in any case that now seems unnecessary. Once in PCManFM, one >>> can eject/unmount any of the filesystems displayed for the camera, >>> and it will unmount all of them. One of the displayed filesystems >>> will disappear from PCManFM at that point, and the other one or two >>> will remain displayed (thereby reflecting some status as recognized >>> or available, but not mounted). The camera is ready to be unplugged. >>> >>> But there is still a lot of buggy behavior here. Either by PCManFM, >>> or perhaps by gvfs at the bottom of it. Some problems: >>> - The Kodak EasyShare C182 error when plugged in: "Error >>> initializing camera: -53: Could not claim the USB device." >>> - Multiple filesystems are represented. Two for the Canon Powershot >>> G1, both with matching contents. Three for the Kodak EasyShare >>> C182; some or all of the contents are duplicated. >>> - There is another error if you do not initially mount the camera >>> storage in PCManFM, but say, in Shotwell, then close that and try to >>> mount in PCManFM. I didn't record the error but it duplicates reliably. >>> >>> These bad behaviors are more troubling because opening PCManFM when >>> plugging in a camera is the only option offered by default. On >>> account of that I hope someone has time to better define the bug(s) >>> and pursue the problem. (I've undertaken several of these >>> mis/adventures. It is sometimes a long road, and now would be a bad >>> time for me take a big detour.) >>> >>> That reference to Shotwell brings me to another point. >>> >>> ------------------------------------------------------------------------ >>> >>> Looking for a less troubling and confusing user experience, I found >>> it reported that Shotwell is the default photo manager for Ubuntu >>> 14.04. It's available via Synaptic and only installs a few small >>> dependencies. Total download was 12.5 MB as I recall. >>> >>> Now plugging in a camera results in Shotwell being offered alongside >>> the file manager as choices to mount the storage. There is also a >>> checkbox where one could choose to always use Shotwell instead of >>> being offered the choice. (Though for the Kodak there is still the >>> Error -53 popup to OK through.) >>> >>> The Shotwell interface reasonably shows just one filesystem >>> represented for either the Canon or the Kodak. When one is done >>> previewing/importing and closes Shotwell, it automatically unmounts >>> the camera storage once again, and the camera can be unplugged. >>> >>> That's better! >>> >>> ------------------------------------------------------------------------ >>> >>> All the same, I hope someone pursues and fixes this. I prefer >>> Lubuntu's initial default of using PCManFM for camera downloads -- >>> it's just not working well now. >>> >>> --John >>> >>> On 9/23/2014 10:18 PM, Israel wrote: >>>> Hi John! >>>> I would check out some of the documentation on the gvfs... >>>> However you can try >>>> gvfs-mount --unmount /<location>/ >>>> where <location> is the actual location. >>>> You can also use >>>> gvfs-mount -o >>>> to watch what it is dong when you plug it in. >>>> (it monitors the output) >>>> man gvfs-mount >>>> will give you more information. >>>> You can also type >>>> man gvfs<TAB><TAB> >>>> (Use the actual TAB key) to see all the gvfs related commands listed. >>>> This should at least get you pointed in the right direction >>>> >>>> On 09/23/2014 05:29 PM, John Hupp wrote: >>>>> I plugged a Kodak EasyShare C182 (supporting PTP file transfer) >>>>> into a 14.04.1 desktop today over USB and it responded with: >>>>> >>>>> "Error initializing camera: -53: Could not claim the USB device" >>>>> >>>>> OK'ing out of that, it then offered to open the device in the file >>>>> manager, where it had mounted 3 devices. One with no contents, >>>>> another with DCIM and MISC folders, and another with >>>>> something-store1 and something-store2 folders. (I suppose there >>>>> would be separate devices for internal memory and an SD card, but >>>>> I don't know why there would be 3 devices.) >>>>> >>>>> It was then only possible to unmount 1 of the 3 devices. To >>>>> prevent corruption, I powered down the PC before unplugging the >>>>> camera. >>>>> >>>>> Under 13.04, it responded: >>>>> >>>>> "Error initializing camera: -60: Could not lock the device" >>>>> >>>>> And then it opened in the file manager, again showing 3 devices, >>>>> only one of which I could unmount, so again I powered down to >>>>> disconnect. >>>>> >>>>> ------------------------------------------------------------------------ >>>>> >>>>> For a partial comparison, I plugged a Canon Powershot G1 into the >>>>> 14.04.1 desktop and there was no error, it offered to open in file >>>>> manager, and it mounted 2 devices, both with DCIM and MISC >>>>> folders. I was only able to unmount one of the devices and so >>>>> powered down to disconnect. >>>>> >>>>> ------------------------------------------------------------------------ >>>>> >>>>> Searching for non-ancient explanations (of which there are many), >>>>> I did find this popular bug: >>>>> >>>>> PTP Cameras not working on 14.04, works flawlessly on 12.04 >>>>> <https://bugs.launchpad.net/ubuntu/+source/gvfs/+bug/1296275> >>>>> >>>>> But that report does not reference either of these errors, and >>>>> this machine already has the prescribed libghoto2 update that >>>>> should fix the described bug. >>>>> >>>>> There is also this Launchpad Answer regarding error -53, but it >>>>> does not mention the unmount problem: >>>>> >>>>> Unable to fetch previews from the camera: Could not claim the USB >>>>> device (-53) >>>>> <https://answers.launchpad.net/ubuntu/+source/shotwell/+question/157569> >>>>> >>>>> The errors and the unmount problem are both troubling, but if I >>>>> could find a manual unmount command (perhaps with gvfs?), at least >>>>> I would have a workaround that would not involve rebooting. >>>>> >>>>> Does anyone have the lowdown on all this? What's the best >>>>> available solution? >>>>> >>>>> >>>> >>>> >>>> -- >>>> Regards >>>> >>>> >>> >> >> >> -- >> Regards > -- Regards
-- Lubuntu-users mailing list [email protected] Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/lubuntu-users
