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Titel: USB camera problem
 Verfasst am: 16.06.2006, 05:17 Uhr
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Anmeldung: 18. Jun 2005
Beiträge: 13
Wohnort: Toronto, Ontario, Canada
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A problem with my digital camera [it's a Kodak EasyShare Z-730], and my computer [using Kanotix-64-2005-04-lite] : I can't mount the camera because it is not assigned a block device.
With other USB peripherals (memory stick, card reader), I get a message in dmesg such as
Code:
usb 5-8: new high speed USB device using ehci_hcd and address 5
Initializing USB Mass Storage driver...
scsi5 : SCSI emulation for USB Mass Storage devices
usbcore: registered new driver usb-storage
USB Mass Storage support registered.
usb-storage: device found at 5
usb-storage: waiting for device to settle before scanning
Vendor: Kingston Model: DataTraveler 2.0 Rev: 6.16
Type: Direct-Access ANSI SCSI revision: 00
SCSI device sdb: 498687 512-byte hdwr sectors (255 MB)
and the device is assigned a block device (such as sdb), and I can mount it.
With the camera, there is only one line of dmesg output
Code:
usb 4-2: new full speed USB device using uhci_hcd and address 4
and no block device gets assigned.
I am using the un-modified Kanotix-64-2005-04-lite kernel.
Is the problem that the kernel is using the uhci-hcd module instead of the ehci-hcd? Or that SCSI emulation is only compiled for the uhci-hcd?
The computer is recognizing the camera (as per the line in dmesg, and an entry in /proc/bus/usb/devices). As far as I can tell, I need SCSI emulation for this device, which came automatically with other USB devices.[/quote] |
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Titel:
Verfasst am: 17.06.2006, 14:38 Uhr
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Team Member
Anmeldung: 17. Dez 2003
Beiträge: 1109
Wohnort: Ganymede
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| Keep in mind that not all cameras can simply be mounted. Perhaps try gphoto2 or digikam and see if either of those applications recognizes the camera. |
_________________
Ubuntu - An ancient African word for "Can't install Debian"
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Titel:
Verfasst am: 17.06.2006, 14:45 Uhr
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Anmeldung: 22. Jul 2005
Beiträge: 124
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Hi. I cant help much, as I don't have a Kodak camera. (my old Fuji Finepix 2650 mounts fine, and acts just like a flash drive) I all else fails, you can always get a USB card reader for the camera's memory card.
Good luck! |
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Titel:
Verfasst am: 17.06.2006, 14:59 Uhr
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Anmeldung: 18. Jun 2005
Beiträge: 13
Wohnort: Toronto, Ontario, Canada
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Thanks to both of you.
I do have a card reader which works, so that mounting the camera is not crucial. (It's just a little quicker than removing the memory card.)
Digikam and gphoto2 do recognize the camera as a generic USB PTP class camera. But they have 2 problems, one a big one. The small one is that they can't access the camera unless I am root ; some sort of permissions problem. The big one is that when they access the camera, the directory of files is shown, but I can't do anything (view,open, delete, etc) to any of the files in the camera. |
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Titel:
Verfasst am: 17.06.2006, 19:03 Uhr
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Anmeldung: 09. Jan 2006
Beiträge: 1720
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Make sure that you User xxx is member of Group Camera/gphoto2.
make sure that the user can mount devices read write permissions are set at the normal place for drives. |
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Titel:
Verfasst am: 17.06.2006, 19:49 Uhr
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Team Member
Anmeldung: 17. Dez 2003
Beiträge: 1109
Wohnort: Ganymede
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pampelmoose hat folgendes geschrieben::
The small one is that they can't access the camera unless I am root ; some sort of permissions problem. The big one is that when they access the camera, the directory of files is shown, but I can't do anything (view,open, delete, etc) to any of the files in the camera.
Code:
$ su
# adduser <username> camera
# CTRL+D
$ newgrp - camera
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Ubuntu - An ancient African word for "Can't install Debian"
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