On Tue, 05 Feb 2008 08:19:47 -0500, Bob Goodwin wrote:
> Amadeus W.M. wrote:
>> On Mon, 04 Feb 2008 22:49:07 +0100, Andras Simon wrote:
>>
>>
>>> On 2/4/08, Bob Goodwin <bobgoodwin@xxxxxxxxxxxx> wrote:
>>>
>>>> gphoto2 is giving me the following error messages. I used it a few
>>>> days ago with a different camera and it worked without a hitch.
>>>>
>>>>
>>>>
>>>>
>>>> gphoto2 --get-all-files
>>>>
>>>>
>>>> *** Error ***
>>>> PTP I/O error
>>>>
>>>> *** Error ***
>>>> An error occurred in the io-library ('Unspecified error'):
>>>> Could not query kernel driver of device. *** Error (-1:
>>>> 'Unspecified error') ***
>>>>
>>>> For debugging messages, please use the --debug option.
>>>> Debugging messages may help finding a solution to your
>>>> problem. If you intend to send any error or debug messages to
>>>> the gphoto developer mailing list
>>>> <gphoto-devel@xxxxxxxxxxxxxxxxxxxxx>, please run
>>>> gphoto2 as follows:
>>>>
>>>> env LANG=C gphoto2 --debug --debug-logfile=my-logfile.txt
>>>> --get-all-files
>>>>
>>>> Please make sure there is sufficient quoting around the
>>>> arguments.
>>>>
>>>> Man gphoto2 is not much help or perhaps beyond my comprehension.
>>>>
>>>> Any suggestions appreciated.
>>>>
>>> I ran into the same problem a few days ago and got around it by
>>> starting gphoto2 as root. I know it's only a temporary solution, but I
>>> hope it works for you, too.
>>>
>>> Andras
>>>
>>>
>>
>> I have the same problem. I found a fix that worked, then probably after
>> one of the updates or for whatever reason it didn't work anymore.
>> Here's the fix anyway:
>>
>> You must have a file /etc/udev/rules.d/90-libgphoto2.rules
>>
>> To create one, as root
>>
>> cd /usr/lib/libgphoto2
>> ./print-camera-list udev-rules version 0.98 mode 666 owner root group
>> users > /etc/udev/rules.d/90-libgphoto2.rules # one line.
>>
>>
> I did as you describe and it did create
> /etc/udev/rules.d/90-libgphoto2.rules.
>
> However I borrowed the camera from my grandson and don't have it to test
> with now.
>
> I was panicing because I wanted the photo of the VIN on a car I need to
> register and ran out of time to do that yesterday. My daughter
> extracted the files on her Mac this morning and I made the desired
> copies.
>
> So it's a non-problem until the next time.
>
> By the way I should have mentioned this computer runs F-7.
>
> Thanks for the help.
>
> Bob Goodwin
>
>> This used to work. Now, however, it doesn't anymore. I guess a system
>> can use one of several methods for hot-plug devices, and the fix above
>> is for udev. If I run gthumb-import manually at the prompt, I get this
>> error message:
>>
>> process 2809: arguments to dbus_message_new_method_call() were
>> incorrect, assertion "_dbus_check_is_valid_path (path)" failed in file
>> dbus- message.c line 1074.
>> This is normally a bug in some application using the D-Bus library.
>> D-Bus not built with -rdynamic so unable to print a backtrace
>>
>>
>> which I is about D-Bus, or maybe it's a problem with gthumb-import
>> using D-Bus. I don't pretend to understand how D-Bus works, and how it
>> interacts with udev, but perhaps the fix should be related to d-bus.
>> Maybe someone can shed some light here.
>>
>>
>>
>>
>>
>>
>>
>>
>>
Strange. I don't remember having this issue in F7, but I may be wrong.
The only way for me to download the images from the camera is with a usb
card reader.
