My apologies. I was composing a message to the list a
moment ago and sent it by mistake, though only part
written. I'll begin again.
I am using Fedora Core 3 with kernel version
2.6.11-1.35, gphoto2, version 2.1.6 and a USB DSC
with VID 2770 and PID 9120.
At first, I was using gphoto2, version 2.1.5, and was
able to download images satisfactorily. Then, however,
I suddenly became unable to do so. When I tried, I
received a message saying "Error updating port
settings" and found in /var/log/messages a statement
like: "usbfs: 'interface 0 claimed while gphoto2 sets
config #1'".
I posted to the gphoto2 list and was told that the
message was a recognised bug in v 2.1.5 and that I
should upgrade to v 2.1.6.
I did, but continue to get the same message. I posted
again to the list, but got no further reply and so am
soliciting help here.
I have 5 usb buses. I'll try, within my limited
knowledge, to summarise here what cat
/proc/bus/usb/devices says about them.
Four of the buses are v 1.1 and have uhci host
controllers. The fifth is v 2 and has an ehci host
controller.
The DCS is attached to one of the uhci buses, a webcam
is attached to another and the ehci bus has a flash
disk attached.
The driver shown for each controller is "hub", for the
webcam, "spca5xx", for the flash disk, "usb-storage",
and for the dsc, "none".
My first and most basic question is--is it necessary
for the dsc to have its own driver before it will
work?
The gphoto2 manual, which, although dated June of this
year, refers to host controller drivers which I
understand are no longer current (usb-uhci and
usb-ohci), seems to imply that all that is needed is a
driver for the host controller to which any dsc is
attached.
If someone would be good enought to tell me the answer
to my first question, I may be able to make some
progress.
Thank you.
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