Re: Camera mounts as Unknown Device

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Anno domini 2022 Sat, 28 May 21:35:37 +0200
 deloptes scripsit:
> Thierry de Coulon wrote:
>
> > I've got a new Canon Camera. When I connect it to my PC with an USB cable,
> > it is mounted as mass storage (wich is very good).
> >
> > It has two SD cards that appear as two directories in a Konqueror window.
> > So far so good. However, this window says "system:/media/Unknown Device
> > 1-12:1.0" and it is nowhere to be found, not in /media/<user>, not in
> > /mnt, mount also gives me nothing (or I don't know what to look for).
> >
> > So I can't unmount it, I have to turn the camera off. I don't think it's a
> > real problem as the SD cards are exfat formated and I check that nothing's
> > being read/writen, but I'd prefer to unmount.
> >
> > If the system can mount this "Unknown Device 1-12:1.0", it must be
> > somewhere, no?
> >
> > I'm not looking for a way to open the camera in Digikam or so. Coying the
> > files with Konqueror is just what I want, but I'd like a way to know the
> > mounting point. I got the USB IDs so I was thinking of writing some udev
> > rule. lsusb returns Bus 001 Device 012: ID 04a9:32f5 Canon, Inc. but there
> > is no 012 or 12 in /dev/bus/usb...
>
> It is probably recognized as MTP. If the camera software supports switching
> to USB device as many phones today do, than you can use the old style and
> use the USB mount. Otherwise you have to install something like go-mtpfs

Or maybe a udev rule might do the trick, I need this for my Casio Camera, too (and Tandberg RDX, Chinese MP3 Players ...):

#/etc/udev/rules.d/99-casio.rules
ENV{ID_SERIAL}=="CASIO_COMPUTER_CASIO_QV_DIGITAL", ENV{ID_TYPE}="disk", ENV{UDISKS_AUTO}="1", ENV{UDISKS_SYSTEM}="0", ENV{UDISKS_SYSTEM_INTERNAL}="0"

... otherwise it won't get mounted.

Nik


>
> We were discussing about developing konqueror plugin for MTP and I remember
> I was looking into it, but couldn't find out how to make a tdeio mtp slave
>
>
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