Re: Fedora 22 and 23 don't (fully) recognize Canon camera; Fedora 20 and 21 did

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On 11 November 2015 at 17:19, George Avrunin <avrunin@xxxxxxxxxxxxxx> wrote:
> I have a Canon EOS SL1 camera (also known as an EOS 100D).  With Fedora
> 20 and 21, when I connected the camera to a USB port, it was recognized and
> the KDE device notifier would ask whether I wanted to open it with the
> file manager or download photos with digikam.  Digikam also recognized the
> camera when it was connected.  The camera is supported by libghoto2 and
> uses the PTP protocol.
>
> But with Fedora 22 and 23, the camera is not fully recognized and I can't
> download photos directly from the camera.  (I can use a card reader, of
> course.)  In /var/log/messages, I see the following:
>
> Nov 11 11:17:01 g kernel: usb 4-1.4.1: new high-speed USB device number 9
> using ehci-pci Nov 11 11:17:02 g kernel: usb 4-1.4.1: New USB device
> found, idVendor=04a9, idProduct=3270
> Nov 11 11:17:02 g kernel: usb
> 4-1.4.1: New USB device strings: Mfr=1, Product=2, SerialNumber=0 Nov 11
> 11:17:02 g kernel: usb 4-1.4.1: Product: Canon Digital Camera
> Nov 11 11:17:02 g kernel: usb 4-1.4.1: Manufacturer: Canon Inc.
> Nov 11 11:17:02 g mtp-probe: checking bus 4, device 9:
> "/sys/devices/pci0000:00/0000:00:1d.0/usb4/4-1/4-1.4/4-1.4.1"
> Nov 11 11:17:02 g mtp-probe: bus: 4, device: 9 was not an MTP device
>
> The device notifier doesn't notice the camera (it says "no devices
> available) and digikam can't see it. I've tried other cables and usb
> ports (and even another computer). I use KDE, but this doesn't look like
> it's a KDE issue.
>
> The only other camera with a usb connection thta I have at hand right now
> is an old Canon Powershot G9, which gets similar messages about not being
> an MTP device (but /var/log/messages shows a serial number for the camera).
> This also worked with earlier Fedoras.
>
> I'm not sure what changed from F21 to F22.  I was hoping that things would
> work again with F23. Any suggestions?   I don't understand udev very
> well...
>
>

I've also got a Canon not showing up, putting camera:// into the
dolphin address bar while it's connected works and I haven't got
around to finding out why it's doing this.

-- 
imalone
http://ibmalone.blogspot.co.uk
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