I confirm this bug is still present in kubuntu hardy, and I confirm it
is caused in some cases by this bug:
https://bugs.launchpad.net/libgphoto/+bug/173429 (however PMan's problem
seems to be unrelated).
The problem is nevertheless something that should be fixed in KDE, IMO.
When using gnome or something else, cameras which provide mass-storage
as well as PTP interfaces, appear on the desktop in the 2 forms (which
is confusing and isn't a good thing).
KDE seems a bit smarter and will try to present only one device to the
user, preferring PTP when available.
However when PTP is broken for any reason, KDE/kio_kamera should fallback to
mass-storage mode. Currently it does nothing (no error message poping up,
nothing appearing on the desktop). The only thing we have is the following
message in syslog after a long timeout:
usb 5-2.1: usbfs: USBDEVFS_CONTROL failed cmd kio_kamera rqt 33 rq 102 len 0
ret -110
The workaround I suggest for kubuntu 8.04 is simply to uninstall the
"kamera" package. It has no dependencies and will remove/unregister
support for the "camera:/" URLs. No file to remove/edit, no command-line
to type. This package seems to be the link between (buggy) libgphoto2
and KDE/HAL/udev. The downside is that cameras which only support PTP
probably won't work anymore.
This way we revert to the "gnome" way of doing things: 2 items appear on the
desktop:
- a defective "USB Mass storage interface" (camera://blabla)
- a valid "nG Removable Media" (/dev/sdXn)
Thanks for your consideration !
Marc
** Also affects: kdegraphics (Ubuntu)
Importance: Undecided
Status: New
--
KDE blocks digital camera detection as usb-scsi disk
https://bugs.launchpad.net/bugs/155788
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