--- Alan Stern <[EMAIL PROTECTED]> wrote:

> On Fri, 16 Sep 2005, Leslie Katz wrote:
> 
> > 2. additional dmesg output found after DSC plugged in:
> > 
> > usb 3-2: new full speed USB device using uhci_hcd and address 2
> > 
> > 3. after running gphoto2 --auto-detect and then gphoto2 --abilities
> and
> > getting appropriate output each time, found no additional dmesg
> output
> > 
> > 4. after running gphoto2 -P and getting following usual error
> message,
> > 
> > *** Error ***
> > An error occurred in the io-library ('Error updating the port
> > settings'): Could not release interface 0 (Invalid argument).
> > *** Error (-37: 'Error updating the port settings') ***
> > 
> > 
> > found additional dmesg output as follows:
> > 
> > usb 3-2: usbdev_ioctl: GETDRIVER
> > usb 3-2: usbdev_ioctl: CLAIMINTERFACE
> > usb 3-2: usbdev_ioctl: RELEASEINTERFACE
> > usb 3-2: usbdev_ioctl: SETCONFIGURATION
> > usb 3-2: usbdev_ioctl: RELEASEINTERFACE
> > usb 3-2: usbdev_ioctl: RELEASEINTERFACE
> > 
> > I can only apologise for not following your instructions properly
> > before.
> > 
> > I hope the above information discloses what's been going wrong.
> 
> I looked at the source code.  As far as I can see, that particular
> combination of error messages can't be generated.  The "Could not
> release
> interface" message always goes along with "I/O problem", never with
> "Error updating the port settings".  Conversely, "Error updating the
> port
> settings" always goes along with either "Could not set config" or
> "Could
> not set altsetting".
> 
> You mentioned before that you upgraded to gphoto2 2.1.6.  Did you
> upgrade
> to libgphoto2 2.1.6 at the same time?  If you didn't, that's your
> problem.
> 
> Alan Stern
> 
> 
I did upgrade to libgphoto2 v 2.1.6 at the same time as upgrading to
gphoto2 v 2.1.6, so that can't be the problem.

In any event, thank you very much for taking such trouble over my
problem.

Best wishes,

Leslie Katz


                
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